Publications

2025

• Alexander Jäckel, Cornelius Mach, Lauri Maximilian Schwenson, Enrique Castro-Camus, Lars Liebermeister, Robert Kohlhaas, Martin Koch
  Computationally efficient multi-layer thickness determination using sparse CW THz spectroscopy,
  Optics Express, vol. 33, no. 7, pp. 14812-14824, April 2025, doi: 10.1364/OE.550923, Open Access
• Milan Deumer, Simon Nellen, Shaffi Berrios, Steffen Breuer, Shahram Keyvaninia, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  Advancing terahertz photomixers through the integration of photoconductive antennas with optical waveguides,
  Applied Physics Reviews, March 2025, doi: 10.1063/5.0246801, Open Access
• Lisa C. Kreuzer, Nils Surkamp, Niklas Schulz, Valentin J. Wittwer, Clara J. Saraceno, Thomas Südmeyer, Carsten Brenner, Milan Deumer, Robert Kohlhaas
  Dispersive mirror based phase control in THz homodyne systems,
  IEEE Transactions on Terahertz Science and Technology ( Early Access ), February 2025, doi: 10.1109/TTHZ.2025.3539451, Open Access

2024

• Alexander Dohms, Nico Vieweg, Steffen Breuer, Tina Heßelmann, Robert Herda, Nadja Regner, Shahram Keyvaninia, Marko Gruner, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  Fiber-Coupled THz TDS System With mW-Level THz Power and up to 137-dB Dynamic Range,
  IEEE Transactions on Terahertz Science and Technology , November 2024, doi: 10.1109/TTHZ.2024.3467173, Open Access
• Benedikt L. Krause, Sebastian Müller, Thomas Puppe, Lars Liebermeister, Garrit William Johannes Schwanke, Milan Deumer, Robert Kohlhaas, Rafal Wilk, Nico Vieweg, Sascha Preu
  Terahertz photonic heterodyne spectral analysis with (sub-) kHz resolution and 6.5 THz frequency coverage,
  Research Square, October 2024, doi: 10.21203/rs.3.rs-5166223/v1
• Milan Deumer, Steffen Breuer, Shaffi Berrios, Shahram Keyvaninia, Garrit William Johannes Schwanke, Lauri Maximilian Schwenson, Sebastian Lauck, Lars Liebermeister, Simon Nellen, Martin Schell, Robert Kohlhaas
  Continuous wave THz receivers with rhodium-doped InGaAs enabling 132 dB dynamic range,
  Optics Express, vol. 32, no. 17, pp. 29855-29867, August 2024, doi: 10.1364/OE.532465
• Milan Deumer, Simon Nellen, Sebastian Lauck, Shahram Keyvaninia, Shaffi Berrios, Matti Kieper, Martin Schell, Robert Kohlhaas
  Ultra-Wideband PIN-PD THz Emitter with > 5.5 THz Bandwidth+H35,
  Journal of Infrared, Millimeter, and Terahertz Waves , vol. 212, July 2024, doi: 10.1007/s10762-024-01001-z, Open Access
• Milan Deumer, Oliver Stiewe, Simon Nellen, Sebastian Lauck, Steffen Breuer, Robert Kohlhaas, Colja Schubert, Robert Elschner, Ronald Freund, Martin Schell
  Optoelectronic Heterodyne THz Receiver for 100–300 GHz Communication Links,
  IEEE Access, vol. 12, pp. 35246 - 35256, February 2024, doi: 10.1109/ACCESS.2024.3366448, Open Access
• Simon Nellen, Lauri Maximilian Schwenson, Lars Liebermeister, Milan Deumer, Sebastian Lauck, Martin Schell, Robert Kohlhaas
  Miniaturized Continuous-Wave Terahertz Spectrometer With 3.6 THz Bandwidth Enabled by Photonic Integration and Microelectronics,
  IEEE Access, vol. 12, pp. 35246 - 35256, February 2024, doi: 10.1109/ACCESS.2024.3368912, Open Access

2023

• Charbel Tannoury, Victor Merubo, Giuseppe Di Gioia, Vanessa Avramovic, David Troadec, Jean-Francois Lampin, Guillaume Ducournau, Steffen Breuer, Björn Globisch, Stefano Barbieri, Robert Kohlhaas, Emilien Peytavit
  Photonic THz mixers based on iron-doped InGaAs embedded in a plasmonic microcavity,
  AIP Publishing, vol. 8, no. 11, p. 116101, November 2023, doi: 10.1063/5.0153046, Open Access
• Shiva Mohammadzadeh, Andreas Keil, Michael Kocybik, Lauri Maximilian Schwenson, Lars Liebermeister, Robert Kohlhaas, Björn Globisch, Georg von Freymann, Jörg Seewig, Fabian Friedrich
  Extreme Ultra-Wideband Optoelectronic Frequency-Modulated Continuous-Wave Terahertz Radar,
  Wiley Online Library, vol. 17, no. 11, p. 2300396, September 2023, doi: 10.1002/lpor.202300396, Open Access
• Shiva Mohammadzadeh, Andreas Keil, Michael Kocybik, Lauri Maximilian Schwenson, Lars Liebermeister, Robert Kohlhaas, Björn Globisch, Georg von Freymann, Jörg Seewig, Fabian Friederich
  Extreme Ultra-Wideband Optoelectronic Frequency-Modulated Continuous-Wave Terahertz Radar​,
  Laser & Photonics Reviews?, September 2023, doi: 10.1002/lpor.202300396, Open Access
• Christoph Hoog Antink, Romina Schulz, Maurice Rohr, Konstantin Wenzel, Lars Liebermeister, Robert Kohlhaas, Sascha Preu
  Estimating Thoracic Movement with High-Sampling Rate THz Technology,
  Sensors, Multidisciplinary Digital Publishing Institute (MDPI), vol. 23, no. 11, May 2023, doi: 10.3390/s23115233, Open Access
• Amlan Kusum Mukherjee, Sven Wassmann, Konstantin Wenzel, Björn Globisch, Robert Kohlhaas, Lars Liebermeister, Sascha Preu
  Characterisation of multi-layered structures using a vector-based gradient descent algorithm at terahertz frequencies,
  Optics Express, vol. 31, no. 9, pp. 15131-15144, April 2023, doi: 10.1364/OE.486562
• Efstathios Andrianopoulos, Nikolaos K. Lyras, Y Durvasa Gupta, Tianwen Qian, Milan Deumer, Robert Kohlhaas, Norbert Keil, Martin Schell, Hercules Avramopoulos
  Multi-Terabit/s 6G Fronthaul via Sub-THz Heterodyne Wireless Links,
  IEEE Photonics Technology Letters, January 2023, doi: 10.1109/LPT.2023.3235932

2022

• Simon Nellen, Garrit William Johannes Schwanke, Sebastian Lauck, David DeFelipe, Moritz Kleinert, Milan Deumer, Lars Liebermeister, Moritz Baier, Björn Globisch, Norbert Keil, Robert Kohlhaas, Martin Schell, Tianwen Qian
  Photonic-enabled beam steering at 300 GHz using a photodiode-based antenna array and a polymer-based optical phased array,
  Optics Express, vol. 30, no. 25, pp. 44701-44716, December 2022, doi: 10.1364/OE.472507, Open Access
• Simon Nellen, Tianwen Qian, Garrit William Johannes Schwanke, Sebastian Lauck, David de Felipe Mesquida, Moritz Kleinert, Milan Deumer, Lars Liebermeister, Moritz Baier, Björn Globisch, Norbert Keil, Robert Kohlhaas, Malte Schellmann
  Photonic-enabled beam steering at 300 GHz using a photodiode-based antenna array and a polymer-based optical phased array,
  Optics Express, vol. Vol. 30, December 2022, doi: 10.1364/OE.472507, Open Access
• Efstathios Andrianopoulos, Nikolaos K. Lyras, Christos Tsokos, Tianwen Qian, Simon Nellen, David de Felipe Mesquida, Panos Groumas, Adam Raptakis, Lefteris Gounaridis, Norbert Keil, Christos Kouloumentas, Herkules Avramopoulos
  Optical Generation and Transmission of mmWave Signals in 5G ERA: Experimental Evaluation Paradigm,
  IEEE Photonics Technology Letters, vol. 34, no. 19, pp. 1011-1014, October 2022, doi: 10.1109/LPT.2022.3196632
• Janis Kutz, Lars Liebermeister, Nico Vieweg, Konstantin Wenzel, Robert Kohlhaas, Mira Naftaly
  A Terahertz Fast-Sweep Optoelectronic Frequency-Domain Spectrometer: Calibration, Performance Tests, and Comparison with TDS and FDS,
  Applied Sciences, July 2022, doi: 10.3390/app12168257, Open Access
• Alexander Dohms, Steffen Breuer, Christoph Skrobol, Robert Kohlhaas, Lars Liebermeister, Björn Globisch, Martin Schell
  Strain-free SESAMs with iron doped absorber for femtosecond fiber laser mode locking at 1560 nm,
  Optics Express, vol. 30, no. 12, pp. 21609-21620, June 2022, doi: 10.1364/OE.457207, Open Access
• Simon Nellen, Sebastian Lauck, Emilien Peytavit, Pascal Szriftgiser, Martin Schell, Guillaume Ducourn, Björn Globisch
  Coherent Wireless Link at 300 GHz with 160 Gbit/s Enabled by a Photonic Transmitter,
  Journal of Lightwave Technology, IEEE, p. 1, March 2022, doi: 10.1109/JLT.2022.3160096, Open Access
• Helge Ketelsen, Rüdiger Mästle, Lars Liebermeister, Robert Kohlhaas, Björn Globisch
  THz Time-Domain Ellipsometer for Material Characterization and Paint Quality Control with More Than 5 THz Bandwidth,
  Applied Sciences , vol. Volume 12 , no. Issue 8 , February 2022, doi: 10.3390/app12083744 , Open Access
• Robert Kohlhaas, Steffen Breuer, Sven Mutschall, Mathias Kehrt, Simon Nellen, Lars Liebermeister, Martin Schell, Björn Globisch
  Ultrabroadband terahertz time-domain spectroscopy using III-V photoconduc-tive membranes on silicon,
  Optics Express, vol. Vol. 30, 2022, doi: 10.1364/OE.454447, Open Access

2021

• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Sebastian Lauck, Milan Deumer, Steffen Breuer, Martin Schell, Björn Globisch
  Terahertz Multilayer Thickness Measurements: Comparison of Optoelectronic Time and Frequency Domain Systems,
  Journal of Infrared, Millimeter, and Terahertz Waves , December 2021, doi: https://doi.org/10.1007/s10762-021-00831-5, Open Access
• Milan Deumer, Steffen Breuer, Robert Kohlhaas, Simon Nellen, Lars Liebermeister, Sebastian Lauck, Martin Schell, Björn Globisch
  Continuous wave terahertz receivers with 4.5 THz bandwidth and 112 dB dynamic range,
  Optics Express, vol. 29, no. 25, pp. 41819-41826, December 2021, doi: https://doi.org/10.1364/OE.443098, Open Access
• Simon Nellen, Sebastian Lauck, Garrit William Johannes Schwanke, Milan Deumer, Robert Kohlhaas, Lars Liebermeister, Martin Schell, Björn Globisch
  Radiation pattern of planar optoelectronic antennas for broadband continuous-wave terahertz emission,
  Optics Express, Optical Society of America (OSA), vol. 29, no. 6, pp. 8244-8257, March 2021, doi: https://doi.org/10.1364/OE.416844, Open Access
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Sebastian Lauck, Milan Deumer, Steffen Breuer, Martin Schell, Björn Globisch
  Optoelectronic frequency-modulated continuous-wave terahertz spectroscopy with 4 THz bandwidth,
  Nature Communications, vol. 12, no. 1071, February 2021, doi: https://doi.org/10.1038/s41467-021-21260-x, arXiv: https://www.nature.com/articles/s41467-021-21260-x, Open Access
• Simon Nellen, Sebastian Lauck, Garrit William Johannes Schwanke, Milan Deumer, Robert Kohlhaas, Lars Liebermeister, Martin Schell, Björn Globisch
  Radiation pattern of planar optoelectronic antennas for broadband continu-ous-wave terahertz emission,
  Optics Express, vol. Vol. 29, no. Issue 6, pp. 8244-8257, February 2021, doi: 10.1364/OE.416844, Open Access
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Sebastian Lauck, Milan Deumer, Steffen Breuer, Martin Schell, Björn Globisch
  Optoelectronic frequency-modulated continuous-wave terahertz spectroscopy with 4 THz bandwidth,
  Nature Communications, no. 1071 , February 2021, doi: 10.1038/s41467-021-21260-x, Open Access
• Jessica Smith, Mira Naftaly, Simon Nellen, Björn Globisch
  Beam Profile Characterisation of an Optoelectronic Silicon Lens-Integrated PIN-PD Emitter between 100 GHz and 1 THz,
  Molecular Diversity Preservation International, vol. 11, no. 465, January 2021, doi: https://doi.org/10.3390/app11020465, Open Access
• Samira Mansourzadeh, Dilyan Damyanov, Tim Vogel, Frank Wulf, Robert Kohlhaas, Björn Globisch, Thorsten Schultze, Martin Hoffmann, Jan C. Balzer, Clara J. Saraceno
  High-Power Lensless THz Imaging of Hidden Objects,
  IEEE Access , ISSN: 2169-3536, vol. Volume: 9, pp. 6268 - 6276, January 2021, doi: 10.1109/ACCESS.2020.3048781, Open Access

2020

• Simon Nellen, Toshihiro Ishibashi, Anselm Deninger, Robert Kohlhaas, Lars Liebermeister, Martin Schell, Björn Globisch
  Experimental Comparison of UTC-and PIN-Photodiodes for Continuous-Wave Terahertz Generation,
  Journal of Infrared, Millimeter, and Terahertz Waves , SpringerLink, vol. 41, pp. 343–354, December 2020, doi: https://doi.org/10.1007/s10762-019-00638-5, Open Access
• Robert Kohlhaas, Steffen Breuer, Lars Liebermeister, Simon Nellen, Milan Deumer, Mykhaylo P. Semtsiv, William Ted Masselink, Björn Globisch
  637 μW emitted terahertz power from photoconductive antennas based on rhodium doped InGaAs,
  Applied Physics Letters, vol. 117, no. 131105, September 2020, doi: 10.1063/5.0020766, Open Access
• Eva-Maria Stuebling, Naja-Anissa Staats, Björn Globisch, Martin Schell, Hans D. Portsteffen, Martin Koch
  Investigating the layer structure and insect tunneling on a wooden putto using robotic-based THz tomography,
  IEEE Transactions on Terahertz Science and Technology, IEEE Xplore Digital Library, vol. 10, no. 4, pp. 343 - 347, April 2020, doi: 10.1109/TTHZ.2020.2986652
• Stefan Becker, Jörg Beckmann, M. - T. Braun, Oleg Cojocari, V. Feige, Bernd Fischer, Fabian Friederich, Björn Globisch, Gerd Hechtfischer, K. Hens, Heinz-Wilhelm Hübers, John Jelonnek, Joachim Jonuscheit, Andreas Keil, Thomas Kleine-Ostmann, Erik Marquardt, Marcel Mayr, H. - U. Nickel, Dirk Nüßler, Markus Peichl, Ole Peters, Jan Schür, Thorsten Sprenger, Andreas Steiger, Sandrine van Frank, Nico Vieweg, Rafa? Wilk
  Terahertzsysteme und Anwendungsfelder,
  Publica - Publikationsserver der Bundesanstalt für Materialforschung und -prüfung (BAM), VDI/VDE-Gesellschaft Mess- und Automatisierungstechnik, pp. 1 - 44, March 2020
• Robert Kohlhaas, Lars Liebermeister, Steffen Breuer, Marcel Amberg, David de Felipe Mesquida, Simon Nellen, Martin Schell, Björn Globisch
  Fiber Coupled Transceiver with 6.5 THz Bandwidth for Terahertz Time-Domain Spectroscopy in Reflection Geometry,
  Sensors, Multidisciplinary Digital Publishing Institute, vol. 20, no. 9, p. 2616, January 2020, doi: 10.3390/s20092616, Open Access

2019

• Philipp-Henrik Richter, Ebru Kartal, Robert Kohlhaas, Mykhaylo Petrovych Semtsiv, Martin Schell, William Ted Masselink, Björn Globisch, Martin Koch
  Ultrafast THz Conductivity Dynamics of a Novel Fe-Doped InGaAs Quantum Photoconductor,
  IEEE Transactions on Terahertz Science and Technology, IEEE Xplore Digital Library, vol. 10, no. 2, pp. 167-175, December 2019, doi: 10.1109/TTHZ.2019.2962117
• Arno Rehn, Robert Kohlhaas, Björn Globisch, Jan C. Balzer
  Increasing the THz-QTDS Bandwidth from 1.7 to 2.5 THz Through Optical Feedback,
  Journal of Infrared, Millimeter, and Terahertz Waves , SpringerLink, vol. 40, pp. 1103-1113, December 2019, doi: https://doi.org/10.1007/s10762-019-00630-z
• Tobias Harter, Sandeep Ummethala, Matthias Blaicher, Sascha Muehlbrandt, Stefan Wolf, Marco Weber, Md Mosaddek Hossain Adib, Juned Nassir Kemal, Marco Merboldt, Florian Boes, Simon Nellen, Axel Tessmann, Martin Walther, Björn Globisch, Thomas Zwick, Wolfgang Freude, Sebastian Randel, Christian Koos
  Wireless THz link with optoelectronic transmitter and receiver,
  OSA Publishing, Optical Society of America (OSA), vol. 6, no. 8, pp. 1063-1070, August 2019, doi: 10.1364/OPTICA.6.001063, Open Access
• Robert Kohlhaas, Steffen Breuer, Simon Nellen, Lars Liebermeister, Martin Schell, Mykhaylo P. Semtsiv, W. Ted Masselink, Björn Globisch
  Photoconductive terahertz detectors with 105 dB peak dynamic range made of rhodium doped InGaAs,
  Applied Physics Letters, vol. 114, no. 22, p. 221103, June 2019, doi: 10.1063/1.5095714
• Muhsin Ali, Robinson Cruzoe Guzmán, Oleg Cojocari, Simon Nellen, Gabriel Santamaría, Luis Enrique Garcia-Munoz, Daniel Segovia-Vargas, Björn Globisch, Guillermo Carpintero
  Quasi-Optic Transmitter and Receiver Modules Enabling Next-Generation Ultra-Broadband Wireless Links at Carrier-Wave Frequencies Ranging from 60 to 180 GHz,
  Journal of Infrared, Millimeter, and Terahertz Waves , SpringerLink, vol. 40, no. 6, pp. 688–695, April 2019, doi: https://doi.org/10.1007/s10762-019-00593-1, Open Access
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Steffen Breuer, Martin Schell, Björn Globisch
  Ultra-fast, High-Bandwidth Coherent cw THz Spectrometer for Non-destructive Testing,
  Journal of Infrared, Millimeter, and Terahertz Waves, SpringerLink, vol. 40, pp. 288–296, March 2019, doi: 10.1007/s10762-018-0563-6, Open Access

2018

• Robert Kohlhaas, Roman J. B. Dietz, Steffen Breuer, Simon Nellen, Lars Liebermeister, Martin Schell, Björn Globisch
  Improving the dynamic range of InGaAs-based THz detectors by localized beryllium doping: up to 70 dB at 3 THz,
  Optics Letters, vol. 43, no. 21, pp. 5423-5426, November 2018, doi: 10.1364/OL.43.005423
• Jia Xu, Björn Globisch, Christina Hofer, Nikolai Lilienfein, Thomas Butler, Nicholas Karpowicz, Ioachim Pupeza
  Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,
  Journal of Physics B: atomic, Molecular and Optical Physics, vol. 51, no. 15, p. 154002, July 2018, doi: 10.1088/1361-6455/aacfe7
• Robert Kohlhaas, Björn Globisch, Simon Nellen, Lars Liebermeister, Martin Schell, Peter H. Richter, Martin Koch, Mykhaylo P. Semtsiv, William T. Masselink
  Rhodium doped InGaAs: A superior ultrafast photoconductor,
  Applied Physics Letters, vol. 112, no. 10, p. 102101, March 2018, doi: 10.1063/1.5016282

2017

• E. Stübling, Y. Bauckhage, E. Jelli, Bernd Fischer, Björn Globisch, Martin Schell, A. Heinrich, Jan C. Balzer, M. Koch
  A THz Tomography System for Arbitrarely Shaped Samples,
  Journal of Infrared, Millimeter, and Terahertz Waves, Springer Link, vol. 38, pp. 1179-1182, June 2017, doi: https://doi.org/10.1007/s10762-017-0415-9
• Björn Globisch, Roman J. B. Dietz, Robert Kohlhaas, Thorsten Göbel, Martin Schell, D. Alcer, M. Semtsiv, W. T. Masselink
  Iron doped InGaAs: Competitive THz emitters and detectors fabricated from the same photoconductor,
  Journal of Applied Physics, vol. 121, no. 5, p. 053102, February 2017, doi: 10.1063/1.4975039
• Robert Kohlhaas, Arno Rehn, Simon Nellen, Martin Koch, Martin Schell, Roman J. B. Dietz, Jan C. Balzer
  Terahertz quasi time-domain spectroscopy based on telecom technology for 1550 nm,
  Optics Express, The Optical Society, vol. 25, no. 11, pp. 12851-12859, January 2017, doi: 10.1364/OE.25.012851, Open Access

2016

• Björn Globisch, Roman J. B. Dietz, Simon Nellen, Thorsten Göbel, Martin Schell
  Terahertz detectors from Be-doped low-temperature grown InGaAs/InAlAs: Interplay of annealing and terahertz performance,
  AIP Advances, vol. 6, no. 12, p. 125011, November 2016, doi: 10.1063/1.4971843, Open Access
• S. Sawallich, Björn Globisch, C. Matheisen, M. Nagel, Roman J. B. Dietz, Thorsten Göbel
  Photoconductive Terahertz Near-Field Detectors for Operation With 1550-nm Pulsed Fiber Lasers,
  IEEE Transactions on Terahertz Science and Technology, IEEE, vol. 6, no. 3, pp. 365 - 370, April 2016, doi: 10.1109/TTHZ.2016.2549365
• Björn Globisch, Roman J. B. Dietz, Robert Kohlhaas, Simon Nellen, Moritz Kleinert, Thorsten Göbel, Martin Schell
  Fiber-coupled transceiver for terahertz reflection measurements with a 4.5 THz bandwidth,
  Optics Letters, OSA Publishing, vol. 41, no. 22, pp. 5262-5265, January 2016, doi: 10.1364/OL.41.005262

2015

• Björn Globisch, Roman J. B. Dietz, Thorsten Göbel, Martin Schell, Werner Bohmeyer, Ralf Müller, Andreas Steiger
  Absolute terahertz power measurement of a time-domain spectroscopy system,
  Optics Letters, Optical Society of America (OSA), vol. 40, no. 15, pp. 3544-3547, August 2015, doi: https://doi.org/10.1364/OL.40.003544
• Björn Globisch, R.J.B. Dietz, Th. Göbel, Martin Schell, W. Bohmeyer, R. Müller, A. Steiger
  Abolute terahertz power measurement of a time-domain spectroscopy system,
  Optics Letters, vol. 40, no. 15, pp. 3544-3547, July 2015, doi: 10.1364/OL.40.003544

2014

• Roman J. B. Dietz, A. Brahm, A. Velauthapillai, A. Wilms, C. Lammers, Björn Globisch, M. Koch, Gunther Notni, A. Tünnermann, Thorsten Göbel, Martin Schell
  Low temperature grown photoconductive antennas for pulsed 1060 nm excitation: Influence of excess energy on the electron relaxation,
  Journal of Infrared, Millimeter, and Terahertz Waves , Springer Link, vol. 36, pp. 60–71, November 2014, doi: doi: 10.1007/s10762-014-0119-3
• Dennis Stanze, Björn Globisch, Roman J. B. Dietz, Helmut Roehle
  Multilayer Thickness Determination Using Continuous Wave THz Spectroscopy,
  IEEE Transactions on Terahertz Science and Technology, IEEE Xplore Digital Library, vol. 4, no. 6, pp. 696–701, November 2014, doi: 10.1109/TTHZ.2014.2348414
• Roman J. B. Dietz, Nico Vieweg, T. Puppe, A. Zach, Björn Globisch, Thorsten Göbel, P. Leisching, Martin Schell
  All fiber-coupled THz-TDS system with kHz measurement rate based on electronically controlled optical sampling,
  Optics Letters, Optical Society of America (OSA), vol. 39, no. 22, pp. 6482–6485, November 2014, doi: https://doi.org/10.1364/OL.39.006482
• D. Graty, G. Eisenstein, IEEE Fellow, V. Ivanov, Ch. Gilfert, F. Schnabel, A. Rippien, J.P. Reithmaier, C. Bornholdt
  High Speed 1.55 µm InAs/InGaAlAs/InP Quantum Dot Lasers,
  IEEE J, vol. 26, no. 1, November 2014
• Roman J. B. Dietz, Björn Globisch, Helmut Roehle, Dennis Stanze, Thorsten Göbel, Martin Schell
  Influence and adjustment of carrier lifetimes in InGaAs/InAlAs photoconductive pulsed terahertz detectors : 6 THz bandwidth and 90dB dynamic range,
  Optics Express, Optical Society of America (OSA), vol. 22, no. 16, pp. 19411–19422, August 2014, doi: https://doi.org/10.1364/OE.22.019411

2013

• M. Xu, M. Mittendorff, R.J.B. Dietz, H. Künzel, B. Sartorius, Th. Göbel, H. Schneider, M. Helm, S. Winnerl
  Terahertz generation and detection with InGaAs-based large-area photoconductive devices excited at 1.55 µm,
  Applied Physics Letters, vol. 103, no. 25, December 2013
• Th. Göbel, D. Stanze, R.J.B. Dietz, Björn Globisch, H. Roehle, Martin Schell
  Telecom technology based continuous wave terahertz photomixing system with 105 decibel signal-to-noise ratio and 3.5 terahertz bandwidth,
  Optics Letters, vol. 38, no. 20, pp. 4197 - 4199, October 2013, doi: 10.1364/OL.38.004197
• M. Theurer, Th. Göbel, D. Stanze, Ute Troppenz, Francisco M. Soares, Norbert Grote, Martin Schell
  Photonic integrated circuit for continuous wave THZ generation,
  Opt. Lett. , vol. 38, no. 19, pp. 3724-3726, September 2013
• R.J.B. Dietz, Björn Globisch, M. Gerhard, A. Velauthapillai, D. Stanze, H. Roehle, M. Koch, Th. Göbel, Martin Schell
  64 µW pulsed terahertz emission from growth optimized InGaAs/InAlAs heterostructures with separated photoconductive and trapping regions,
  Applied Physics Letters, vol. 103, no. 6, August 2013, doi: https://doi.org/10.1063/1.4817797
• Roman J. B. Dietz, R. Wilk, Björn Globisch, Helmut Roehle, Dennis Stanze, S. Ullrich, S. Schumann, N. Born, Martin Koch, Bernd Sartorius, Martin Schell
  Low temperature grown Be-doped InGaAs/InAlAs photoconductive antennas excited at 1030 nm,
  J. Infrared Millim., Terahz Waves, vol. 34, pp. 231–237 , March 2013, doi: doi: 10.1007/s10762-013-9968-4

2012

• Björn Globisch, Christian Otto, Eckehard Schöll, K. Lüdge
  Influence of carrier lifetimes on the dynamical behavior of quantum-dot lasers subject to optical feedback,
  Phys. Rev. E, American Physical Society, vol. 86, no. 4, p. 046201, October 2012, doi: https://doi.org/10.1103/PhysRevE.86.046201
• Christian Otto, Björn Globisch, K. Lüdge, Eckehard Schöll, Thomas Erneux
  Complex dynamics of semiconductor quantum dot lasers subject to delayed optical feedback,
  Int. J. Bifurcation Chaos, vol. 22, no. 10, p. 1250246, October 2012, doi: doi: 10.1142/S021812741250246X
• B. Sartorius, D. Stanze, Th. Göbel, D. Schmidt, Martin Schell
  Continuous wave terahertz systems based on 1.5 µm telecom technologies ,
  Journal of Infrared,Millimeter,Terahertz Waves, vol. 33, no. 4, pp. 405-417, April 2012, doi: 10.1007/s10762-011-9849-7, Open Access

2011

• R.J.B. Dietz, M. Gerhard, D. Stanze, M. Koch, B. Sartorius, Martin Schell
  THZ generation at 1.55 µm excitation: Six-fold increase in THZ conversion efficiency by separated photoconductive and trapping regions ,
  Optics Express, vol. 19, no. 27, pp. 25911-25917, December 2011, doi: 10.1364/OE.19.025911
• D. Stanze, Th. Göbel, R.J.B. Dietz, B. Sartorius, Martin Schell
  High-speed coherent CW terahertz spectrometer ,
  Electronics Letters, vol. 47, no. 23, pp. 1292-1294, November 2011, doi: 10.1049/el.2011.3004
• D. Stanze, A. Deninger, A. Roggenbuck, S. Schindler, M. Schlak, B. Sartorius
  Compact cw terahertz spectrometer pumped at 1.5 µm wavelength ,
  Journal of Infrared,Millimeter,Terahertz Waves, vol. 32, no. 2, pp. 225-232, February 2011, doi: 10.1007/s10762-010-9751-8

2010

• H. Roehle, R.J.B. Dietz, H.J. Hensel, J. Böttcher, H. Künzel, D. Stanze, Martin Schell, B. Sartorius
  Next generation 1.5 µm terahertz antennas: Mesa-structuring of InGaAs/InAlAs photoconductive layers ,
  Optics Express, vol. 18, no. 3, pp. 2296-2301, January 2010, doi: 10.1364/OE.18.002296, Open Access

2009

• Bernd Sartorius
  Terahertz system exploits 1550 nm telecom technologies,
  Laser Focus World, vol. 45, no. 10, p. 9, October 2009, Open Access
• Bernd Sartorius, Michael Schlak, Dennis Stanze, Helmut Roehle, Harald Künzel, Detlef Schmidt, Heinz-Gunter Bach, Reinard Kunkel, Martin Schell
  Continuous wave terahertz systems exploiting 1.5 µm telecom technologies,
  Optics Express, OSA, vol. 17, no. 17, pp. 15001-15007, August 2009, Open Access

2008

• Bernd Sartorius, Helmut Roehle, Harald Künzel, Martin Schell, Michael Schlak, Herbert Venghaus, D. Stanze, Jutta Böttcher
  All-fiber terahertz time-domain spectrometer operating at 1.5 µm telecom wavelengths,
  Optics Express, OSA Publishing, vol. 16, no. 13, p. 9565, June 2008

2025

• Benjamin Willenberg, Christopher R. Phillips, Justinas Pupeikis, Sandro L. Camenzind, Lars Liebermeister, Robert Kohlhaas, Björn Globisch, Ursula Keller
  THz time-domain spectroscopy with gigahertz Yb-based single-cavity dual-comb lasers,
  SPIE – International Society for Optics and Photonics, San Francisco, California, United States, March 2025, doi: 10.1117/12.3046245
• Guillermo Carpintero, Daniel Headland, Asrin Piroutiniya, Kalliopi Spanidou, Luis González-Guerro, Muhsin Ali, Christos Tsokos, Herkules Avramopoulos, Zerihun G. Tegegne, Garrit William Johannes Schwanke, Milan Deumer, Simon Nellen, Sebastian Lauck, Lars Liebermeister, Robert Kohlhaas
  RF Phase Arrays for the Millimeter/Terahertz Range Enabled by Photonics,
  2025 International Conference on Mobile and Miniaturized Terahertz Systems (ICMMTS), Dubai, United Arab Emirates, February 2025, doi: 10.1109/ICMMTS62835.2025.10926032

2024

• Guillermo Carpintero, Daniel Headland, Asrin Piroutiniya, Muhsin Ali, Luis González-Guerro, Christos Tsokos, Herkules Avramopoulos, Zerihun Tegegne, Garrit William Johannes Schwanke, Milan Deumer, Simon Nellen, Sebastian Lauck, Lars Liebermeister, Robert Kohlhaas
  Photonics-enabled millimeter-wave phase arrays based on dielectric rod antennas,
  2024 IEEE Photonics Conference (IPC), Rome, Italy, November 2024, doi: 10.1109/IPC60965.2024.10799706
• Alexander Dohms, Shahram Keyvaninia, Steffen Breuer, Milan Deumer, Tina Heßelmann, Marko Gruner, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  Fiber-coupled terahertz time-domain spectrometer with 10 THz bandwidth,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, Australia, September 2024, doi: 10.1109/IRMMW-THz60956.2024.10697595
• Milan Deumer, Oliver Stiewe, Shahram Keyvaninia, Steffen Breuer, Simon Nellen, Lars Liebermeister, Robert Elschner, Ronald Freund, Martin Schell, Robert Kohlhaas
  Waveguide-Integrated Photoconductive Receiver for THz Wireless Links,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, Australia, September 2024, doi: 10.1109/IRMMW-THz60956.2024.10697641
• Simon Nellen, Milan Deumer, Garrit William Johannes Schwanke, Efstathios Andrianopoulos, Nikolaos K. Lyras, Georgios Megas, Evangelos Pikasis, Dimitrios Kritharidis, Elias Tsirbas, Eleftherios Loghis, Tianwen Qian, David DeFelipe, Maria Massaouti, Christos Kouloumentas, Panos Groumas, Hercules Avramopoulos, Martin Schell, Norbert Keil, Robert Kohlhaas
  Photonic Mixers as Tx and Rx in a Bidirectional mmWave Real-Time Link,
  2024 54th European Microwave Conference (EuMC), Paris, France, September 2024, doi: 10.23919/EuMC61614.2024.10732873
• Simon Nellen, Sebastian Lauck, Milan Deumer, Shahram Keyvaninia, Martin Schell, Robert Kohlhaas
  Extending the Bandwidth of Photodiode-based Continuous-Wave Emitters to 5.5 THz,
  2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, Australia, September 2024, doi: 10.1109/IRMMW-THz60956.2024.10697724
• Konstantin Wenzel, Lauri Maximilian Schwenson, Florian Walter, Martin Schell, Robert Kohlhaas, Lars Liebermeister
  Sparse cw-THz Spectroscopy at 1 kHz Measurement Rate,
  2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, Australia, September 2024, doi: 10.1109/IRMMW-THz60956.2024.10697764
• Lauri Maximilian Schwenson
  Photonic Integrated Continuous Wave Terahertz Spectrometer with 90 dB Dynamic Range and 4 THz Bandwidth,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, Australia, September 2024, doi: 10.1109/IRMMW-THz60956.2024.10697922, Zweiter Platz des "Best Student Paper Award" (Application Track)
• Liam Barry, Amol Delmade, Simon Nellen, David Coffey, Christian Vargas, A. Kearney, Robert Kohlhaas, Martin Schell, Frank Smyth
  Enabling Sub-THz 6G Wireless Systems Using Photonic Technologies,
  Optica (formerly OSA – The Optical Society), Warsaw, Poland, ISBN: Warsaw, Poland, July 2024, doi: 10.1364/NETWORKS.2024.NeTh1C.2
• Eva Loukisa, Christos Tsokos, Panos Groumas, Adam Raptakis, Giorgos Megas, Efstathios Andrianopoulos, Lars Liebermeister, Robert Kohlhaas, Christos Kouloumentas, Herkules Avramopoulos
  Analysis of Photonics-Enabled FMCW THz Spectrometers for Non-Destructive Thickness Measurements,
  2024 24th International Conference on Transparent Optical Networks (ICTON), Bari, Italy, July 2024, doi: 10.1109/ICTON62926.2024.10647586
• Alexander Dohms, Shahram Keyvaninia, Steffen Breuer, Milan Deumer, Tina Hesselmann, Marko Gruner, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  Fiber-coupled terahertz time-domain spectrometer with 10 THz bandwidth,
  2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, Australia, June 2024, doi: 10.1109/IRMMW-THz60956.2024.10697595
• Guillermo Carpintero, Daniel Headland, Garrit William Johannes Schwanke, Milan Deumer, Simon Nellen, Sebastian Lauck, Lars Liebermeister, Kalliopi Spanidou, Muhsin Ali, Alejandro Rivera-Lavado, Robert Kohlhaas
  Photonic-Enabled Terahertz Phase Arrays Using Dielectric Rod Waveguides for 6G Wireless Communications,
  IEEE/MTT-S International Symposium, Washington, DC, USA, June 2024, doi: 10.1109/IMS40175.2024.10600234
• Shiva Mohammadzadeh, Andreas Keil, Raphael Hussung, Lauri Maximilian Schwenson, Lars Liebermeister, Robert Kohlhaas, Fabian Friedrich
  Inspection of electrodes in battery production using a multi-channel photonic terahertz radar,
  Proceedings Volume PC12994, Terahertz Photonics III; PC129940G (2024), Strasbourg, France, June 2024, doi: 10.1117/12.3017467
• Victor Merupo, Charbel Tannoury, Giuseppe Di Gioia, David Troadec, Yves Deblock, Steffen Breuer, Robert Kohlhaas, Emilien Peytavit
  High conversion efficiency photonic THz mixers based on iron-doped InGaAs embedded in a plasmonic microcavity,
  Proceedings Volume 12994, Terahertz Photonics III; 1299405 (2024), Strasbourg, France, June 2024, doi: 10.1117/12.3015920
• Alexander Dohms, Nico Vieweg, Steffen Breuer, Tina-Celine Heßelmann, Nadja Regner, Robert Herda, Shahram Keyvaninia, Marko Gruner, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  770 μW emitted terahertz power from fiber-coupled photoconductive antennas based on iron-metal doped InGaAs,
  Optical Terahertz Science and Technology (OTST), Marburg, Germany, April 2024
• Florian Walter, Konstantin Wenzel, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  Frequency-Selective Continuous Wave Terahertz Spectroscopy at Kilohertz Measurement Rates,
  Optical Terahertz Science and Technology (OTST), Marburg, Germany, April 2024
• Milan Deumer, Simon Nellen, Steffen Breuer, Shahram Keyvaninia, Lars Liebermeister, Martin Schell, Lauri Maximilian Schwenson, Robert Kohlhaas
  Waveguide-Integrated THz Receivers for Photonic Integrated THz Systems,
  Optical Terahertz Science and Technology (OTST), Marburg, Germany, April 2024
• Moritz Kleinert, Martin Kresse, Sarah Simon, Philipp Maximilian Ott, Jakob Reck, Csongor Keuer, Klara Mihov, Madeleine Weigel, Tianwen Qian, Philipp Winklhofer, Crispin Zawadzki, Norbert Keil, Martin Schell
  Hybrid Photonic Integrated Circuits for Quantum Communications,
  Hybrid Photonic Integrated Circuits for Quantum Communications, San Diego, California, USA, March 2024, doi: 10.1364/OFC.2024.Th3D.2
• Milan Deumer, Steffen Breuer, Shahram Keyvaninia, Alexander Dohms, Simon Nellen, Chris Nguyen, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  cw-THz receivers based on rhodium-doped InGaAs with 125 dB peak dynamic range,
  Proceedings Volume 12885, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVII; 1288505 (2024) , San Francisco, California, United States, March 2024, doi: 10.1117/12.3003109
• Efstathios Andrianopoulos, Nikolaos K. Lyras, Tianwen Qian, Milan Deumer, Giorgos Megas, Garrit William Johannes Schwanke, Y Durvasa Gupta, Panos Groumas, Zerihun G. Tegegne, Ben Schuler, Muhsin Ali, Bradley W. Snyder, Simon Nellen, Christos Tsokos, David de Felipe Mesquida, Maria Massaouti, Guillermo Carpintero, Robert Kohlhaas, Joost Van Kerkhof, Norbert Keil, Christos Kouloumentas, Hercules Avramopoulos
  Demonstration of On-Chip Optical Frequency Comb Generation and Optical Injection Locking,
  Conference on Optical Fiber Communication (OFC), San Diego, CA, USA, Technical Digest Series, March 2024, doi: 10.1364/OFC.2024.Th1F.5, Th1F.5
• Amol Delmade, Christian Vargas, Simon Nellen, Robert Kohlhaas, Martin Schell, David Coffey, Frank Smyth, Liam P. Barry
  Expanded Gain-Switched Comb Source for 180 – 260 GHz Sub-THz Analog Radio-over-Fiber 6G Wireless System,
  Conference on Optical Fiber Communication (OFC), San Diego, CA, USA, Technical Digest Series, March 2024, doi: 10.1364/OFC.2024.M2F.6, M2F.6
• Amol Delmade, Christian Vargas, Alison Kearney, Simon Nellen, Robert Kohlhaas, Martin Schell, David Coffey, Frank Smyth, Liam P. Barry
  Expanded Gain-Switched Comb Source for 180–260 GHz Sub-THz Analog Radio-over-Fiber 6G Wireless System​,
  Optical Fiber Communication Conference (OFC) 2024, San Diego, Kalifornien, USA, March 2024, doi: 10.1364/OFC.2024.M2F.6?
• Lisa C. Kreuzer, Fabian Brix, Petra Duchting, Sebastian T. Gassel, Niklas Schulz, Carsten Brenner, Milan Deumer, Robert Kohlhaas, Martin R. Hofmann
  Influence of Heavy Metal Contamination on THz Transmission of Plants,
  2024 15th German Microwave Conference (GeMiC), Duisburg, Germany, ISBN: 978-3-9820397-3-2, March 2024, doi: 10.23919/GeMiC59120.2024.10485348
• Lisa C. Kreuzer, Nils Surkamp, Niklas Schulz, Valentin J. Wittwer, Martin R. Hofmann, Thomas Südmeyer, Carsten Brenner, Milan Deumer, Robert Kohlhaas
  Dispersive mirrors for phase delay variation in THz-homodyne systems,
  Proceedings Volume 12885, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVII; 128850Q (2024, San Francisco, California, United States, March 2024, doi: 10.1117/12.2692885
• Thomas Puppe, Taro Eichler, Sebastian Müller, Timo Noak, Milan Deumer, Simon Nellen, Yuriy Mayzlin, Nico Riedmann, Andreas Brodschelm, Lars Liebermeister, Rafal Wilk, Robert Kohlhaas, Nico Vieweg, Gerd Hechtfischer, Wilhelm Keusgen
  Ultra-stable tunable THz generation based on frequency comb technology,
  Proceedings Volume 12885, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVII; 128850H (2024) , San Francisco, California, United States, March 2024, doi: 10.1117/12.3003859
• Milan Deumer, Steffen Breuer, Shahram Keyvaninia, Alexander Dohms, Simon Nellen, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  cw-THz Receivers based on Rhodium-doped InGaAs with 125 dB Peak Dynamic Range,
  Photonics West (PW), San Francisco, California, USA, February 2024, doi: 10.1117/12.3003109
• Tianwen Qian, Ben Schuler, Y Durvasa Gupta, Milan Deumer, Efstathios Andrianopoulos, Nikolaos K. Lyras, Martin Kresse, Madeleine Weigel, Jakob Reck, Klara Mihov, Philipp Winklhofer, Csongor Keuer, Laurids von Emden, Marcel Amberg, Crispin Zawadzki, Moritz Kleinert, Simon Nellen, David DeFelipe, Herkules Avramopoulos, Robert Kohlhaas, Norbert Keil, Martin Schell
  Miniaturized Continuous-Wave Terahertz Spectrometer With 3.6 THz Bandwidth Enabled by Photonic Integration and Microelectronics,
  Konferenzproceedings der OFC 2024, San Diego, Kalifornien, USA, February 2024, doi: 10.1109/ACCESS.2024.3368912
• Alexander Dohms, Shahram Keyvaninia, Marko Gruner, Steffen Breuer, Simon Nellen, Lars Liebermeister, Robert Kohlhaas, Martin Schell
  Fiber-coupled terahertz time-domain spectrometer with 10 THz bandwidth using InGaAs photoconductive membranes on silicon,
  SPIE OPTO: Integrated Optoelectronic Devices, San Francisco, CA, USA, Springer Proceedings in Physics, January 2024, doi: 10.1117/12.3003030

2023

• Amol Delmade, Alison Kearney, Simon Nellen, Robert Kohlhaas, C. Browning, Martin Schell, Frank Smyth, Liam Barry
  170–260 GHz sub-THz optical heterodyne analog radio-over-fiber link for 6G wireless system,
  The Institution of Engineering and Technology (IET), Glasgow, Vereinigtes Königreich, November 2023, doi: 10.1049/icp.2023.2521
• Alexander Dohms, Steffen Breuer, Shahram Keyvaninia, Marko Gruner, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  Fiber-coupled THz transceiver based on rhodium-doped InGaAs with 6.5 THz bandwidth and up to 106 μW emitted THz power,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, September 2023, doi: 10.1109/IRMMW-THz57677.2023.10298878
• Konstantin Wenzel, Steffen Breuer, Robert Kohlhaas, Martin Schell, Lars Liebermeister
  Electrical properties of thin layers of iii/v semiconductors obtained by terahertz reflectometry and transmissometry.,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, September 2023, doi: https://doi.org/10.1109/IRMMW-THz57677.2023.10298990
• Milan Deumer, Shaffi Berrios, Steffen Breuer, Shahram Keyvaninia, Simon Nellen, Lars Liebermeister, Martin Schell, Robert Kohlhaas, Chris Phong
  Photoconductive, continuous wave THz detectors based on rhodium doped InGaAs with 125 dB peak dynamic range,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, September 2023
• Milan Deumer, Lars Liebermeister, Oliver Stiewe, Simon Nellen, Robert Kohlhaas, Robert Elschner
  Purely Photonic Wireless Link at 120 GHz With a Photoconductive Antenna as Heterodyne Receiver,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, September 2023
• Milan Deumer, Lars Liebermeister, Oliver Stiewe, Simon Nellen, Robert Kohlhaas, Robert Elschner, Colja Schubert, Ronald Freund, Martin Schell
  Purely photonic wireless link at 120 GHz with a photoconductive anten-na as heterodyne receiver,
  2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, ISBN: 979-8-3503-3660-3, September 2023, doi: 10.1109/IRMMW-THz57677.2023.10299068
• Konstantin Wenzel, Steffen Breuer, Robert Kohlhaas, Martin Schell, Lars Liebermeister
  Electrical Properties of Thin Layers of III/V Semiconductors Obtained by Terahertz Reflectometry and Transmissometry,
  2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, ISBN: 979-8-3503-3660-3, September 2023, doi: 10.1109/IRMMW-THz57677.2023.10298990
• Benjamin Willenberg, Christopher R. Phillips, Justinas Pupeikis, Sandro L. Camenzind, Lars Liebermeister, Robert Kohlhaas, Björn Globisch, Ursula Keller
  THz Time-Domain Spectroscopy with a GHz Single-Cavity Dual-Comb Laser,
  Conference on Lasers and Electro-Optics (CLEO), Munich, Germany, IEEE Xplore Digital Library, September 2023, doi: 10.1109/CLEO/Europe-EQEC57999.2023.10231454
• Amol Delmade, A. Kearney, Simon Nellen, Robert Kohlhaas, C. Browning, Frank Smyth, Liam P. Barry, Martin Schell
  170 - 260 GHz sub-THz optical heterodyne analog radio-over-fiber link for 6G wireless system,
  European Conference on Optical Communication (ECOC), Glasgow, UK, September 2023, doi: 10.1049/icp.2023.2521
• Tina-Celine Heßelmann, Alexander Dohms, Steffen Breuer, Shahram Keyvaninia, Marko Gruner, Lars Liebermeister, Martin Schell, Robert Kohlhaas
  10 THz Bandwidth with a Fiber-Coupled THz Time-Domain Spectrometer,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, September 2023, doi: 10.1109/IRMMW-THz57677.2023.10298878
• Lauri Maximilian Schwenson, Simon Nellen, Lars Liebermeister, Milan Deumer, Sebastian Lauck, Martin Schell, Robert Kohlhaas
  Photonic Integrated Phase Control for Continuous Wave Terahertz Spectroscopy,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, September 2023, doi: https://doi.org/10.1109/IRMMW-THz57677.2023.10299314
• Andreas Keil, Shiva Mohammadzadeh, Lars Liebermeister, Lauri Maximilian Schwenson, Björn Globisch, Robert Kohlhaas, Fabian Friedrich
  Optoelectronic Multistatic Terahertz Imaging FMCW Radar,
  European Radar Conference (EuRAD), Berlin, Germany, September 2023, doi: 10.23919/EuRAD58043.2023.10289237
• Taro Eichler, Thomas Puppe, Sebastian Müller, Timo Noak, Milan Deumer, Simon Nellen, Yuriy Mayzlin, Nico Riedmann, Lars Liebermeister, Rafal Wilk, Robert Kohlhaas, Nico Vieweg, Gerd Hechtfischer, Wilhelm Keusgen
  Ultra-Stable Tunable THz System for 6G Communication Based on Photonics,
  2023 53rd European Microwave Conference (EuMC), Berlin, Germany, ISBN: 978-2-87487-072-9, September 2023, doi: 10.23919/EuMC58039.2023.10290656
• Lisa C. Kreuzer, Fabian Brix, Petra Duchting, Sebastian T. Gassel, Carsten Brenner, Milan Deumer, Ute Krämer, Martin R. Hofmann
  Towards the detection of heavy metals in plants using THz,
  2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, ISBN: 979-8-3503-3660-3, September 2023, doi: 10.1109/IRMMW-THz57677.2023.10299050
• Lauri Maximilian Schwenson, Simon Nellen, Lars Liebermeister, Milan Deumer, Sebastian Lauck, Martin Schell, Robert Kohlhaas
  Photonic Integrated Phase Control for Continuous Wave Terahertz Spectroscopy,
  2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, ISBN: 979-8-3503-3660-3, September 2023, doi: 10.1109/IRMMW-THz57677.2023.10299314
• Justinas Pupeikis, Benjamin Willenberg, Christopher R. Phillips, Sandro L. Camenzind, Lars Liebermeister, Robert Kohlhaas, Ralf Globisch, Ursula Keller
  THz-TDS with a GHz single-cavity dual-comb laser,
  2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, ISBN: 979-8-3503-3660-3, September 2023, doi: 10.1109/IRMMW-THz57677.2023.10299270
• Lisa C. Kreuzer, Fabian Brix, Petra Duchting, Carsten Brenner, Milan Deumer, Robert Kohlhaas, Ute Krämer, Martin R. Hofmann
  Terahertz-Based Heavy Metal Detection in plants-A first approach,
  2023 Sixth International Workshop on Mobile Terahertz Systems (IWMTS), Bonn, Germany, ISBN: 979-8-3503-2115-9, July 2023, doi: 10.1109/IWMTS58186.2023.10207784
• In-Ho Baek, Oliver Stiewe, Simon Nellen, Garrit William Johannes Schwanke, Robert Elschner, Colja Schubert, Robert Kohlhaas, Martin Schell, Ronald Freund
  32 GBd, 109 Gbit/s Probabilistically Shaped THz Wireless Transmission Using PIN-PD Based Photonic Upconversion,
  Fraunhofer HHI, Berlin, May 2023, doi: 10.1049/icp.2023.2531
• Y Durvasa Gupta, Ben Schuler, Milan Deumer, Efstathios Andrianopoulos, Nikolaos K. Lyras, Robert Kohlhaas, Norbert Keil, Martin Schell
  Photonic integrated circuits for 5G and beyond networks: enabling high-performance and energy-efficient solutions,
  SPIE – The International Society for Optics and Photonics, Brüssel, Belgien, May 2023, doi: 10.1117/12.2648079
• Benjamin Willenberg, Christopher R. Phillips, Justinas Pupeikis, Sandro L. Camenzind, Lars Liebermeister, Robert Kohlhaas, Ursula Keller, Björn Globisch
  Rapid THz-TDS enabled by single-cavity solid-state GHz dual-comb lasers,
  SPIE – The International Society for Optics and Photonics, Prag, Tschechien, May 2023, doi: 10.1117/12.2650093
• Christian Vargas, Simon Nellen, Robert Kohlhaas, Martin Schell, Frank Smyth, Liam P. Barry
  Purely photonic wireless link at 120 GHz carrier frequency enabled by novel ultra-narrow linewidth dual-frequency laser,
  SPIE – The International Society for Optics and Photonics, Prag, Tschechien, May 2023, doi: 10.1117/12.2649256
• Milan Deumer, Oliver Stiewe, Simon Nellen, Robert Kohlhaas, Robert Elschner
  Purely Photonic Wireless Link at 120 GHz Carrier Frequency Enabled by Heterodyne Detection with a Photoconductive Antenna,
  Photonics West (PW), San Francisco, California, Canada, February 2023

2022

• Benjamin Willenberg, Justinas Pupeikis, Lars Liebermeister, Robert Kohlhaas, Björn Globisch, Ursula Keller
  Rapid THz-TDS enabled by single-cavity dual-comb gigahertz laser,
  10th EPS-QEOD Europhoton Conference on Solid-State, Fibre, and Waveguide Coherent Light Sources (EUROPHOTON 2022), Hannover, Deutschland, October 2022, doi: 10.1051/epjconf/202226701038
• Lauri Maximilian Schwenson, Simon Nellen, Sebastian Lauck, Milan Deumer, Konstantin Wenzel, Robert Kohlhaas, Lars Liebermeister, Steffen Breuer, Martin Schell, Björn Globisch
  Miniaturized Photonic Terahertz Receivers for Imaging and Sensing,
  2022 52nd European Microwave Conference (EuMC), Milan, Italy, ISBN: 978-2-8748-7069-9, September 2022, doi: 10.23919/EuMC54642.2022.9924423
• Konstantin Wenzel, Jonas Mertin, Christian Vedder, Sarah Klein, Martin Traub, Robert Kohlhaas, Martin Schell, Björn Globisch, Lars Liebermeister
  Sheet Resistance Imaging on Ag Thin Films with THz-TDS in Reflection Geometry,
  2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Delft, Netherlands, ISBN: 978-1-7281-9427-1, August 2022, doi: 10.1109/IRMMW-THz50927.2022.9895484
• Sebastian Lauck, Simon Sawallich, Robert Kohlhaas, Alexander Michalski, Lars Liebermeister, Michael Nagel, Martin Schell, Björn Globisch
  Photonic THz near-field imaging: Characterizing high-frequency components from 100 GHz to 4 THz,
  2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Delft, Netherlands, ISBN: 978-1-7281-9427-1, August 2022, doi: 10.1109/IRMMW-THz50927.2022.9895869
• Robert Kohlhaas, Lauren Gingras, Enrico Dardanis, Ronald Holzwarth, Steffen Breuer, Martin Schell, Björn Globisch
  Fiber-coupled THz TDS system with mW-level THz power,
  2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Delft, Netherlands, August 2022, doi: 10.1109/IRMMW-THz50927.2022.9896001
• Simon Nellen, Tianwen Qian, Garrit William Johannes Schwanke, Sebastian Lauck, David de Felipe Mesquida, Moritz Kleinert, Milan Deumer, Moritz Baier, Robert Kohlhaas, Lars Liebermeister, Norbert Keil, Martin Schell, Björn Globisch
  Photonic Assisted Beam Steering Enabled by Hybrid Integration of InP-based Antenna Array and Polymer-based Optical Phased Array,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Delft, Netherlands, ISBN: 978-1-7281-9427-1, August 2022, doi: 10.1109/IRMMW-THz50927.2022.9895702
• Milan Deumer, Simon Nellen, Steffen Breuer, Robert Kohlhaas, Lauri Maximilian Schwenson, Konstantin Wenzel, Lars Liebermeister, Martin Schell, Björn Globisch
  Waveguide-integrated photoconductive THz receivers,
  2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Delft, Netherlands, ISBN: 978-1-7281-9427-1, August 2022, doi: 10.1109/IRMMW-THz50927.2022.9895580
• Charbel Tannoury, Victor Merupo, Vanessa Avramovic, Robert Kohlhaas, Guillaume Ducournau, Björn Globisch, Emilien Peytavit
  Optoelectronic THz mixer based on iron-doped InGaAs in a plasmonic microcavity,
  2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Delft, Netherlands, ISBN: 978-1-7281-9427-1, August 2022, doi: 10.1109/IRMMW-THz50927.2022.9895790
• Tianwen Qian, Milan Deumer, Y Durvasa Gupta, Simon Nellen, Ben Schuler, Hauke Conradi, Martin Kresse, Jakob Reck, Klara Mihov, Moritz Kleinert, Madeleine Weigel, Crispin Zawadzki, David DeFelipe, Björn Globisch, Moritz Baier, Norbert Keil, Martin Schell
  Hybrid Polymer THz Receiver PIC with Waveguide Integrated Photoconductive Antenna: Concept and 1st Characterization Results,
  Conference on Optical Fiber Communication (OFC), San Diego, USA, March 2022
• Bradley W. Snyder, Zerihun G. Tegegne, Nienke Nijenhuis, Tianwen Qian, David de Felipe Mesquida, Simon Nellen, Milan Deumer, Y Durvasa Gupta, Moritz Baier, Björn Globisch, Norbert Keil, Joost Van Kerkhof
  Assembly of mobile 5G transceiver based on photonic motherboard,
  Photonics West (PW), San Francisco, USA, IEEE Xplore Digital Library, January 2022

2021

• Simon Nellen, Sebastian Lauck, Garrit William Johannes Schwanke, Milan Deumer, Robert Kohlhaas, Lars Liebermeister, Martin Schell, Björn Globisch
  Radiation pattern of photodiode based bowtie antennas,
  2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Chengdu, China, ISBN: 978-1-7281-9424-0, August 2021, doi: 10.1109/IRMMW-THz50926.2021.9566914
• Milan Deumer, Robert Kohlhaas, Steffen Breuer, Simon Nellen, Lauri Maximilian Schwenson, Lars Liebermeister, Sebastian Lauck, Martin Schell, Björn Globisch
  Photoconductive THz detectors based on iron doped InGaAs with 4.5 THz bandwidth,
  2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Chengdu, China, ISBN: 978-1-7281-9424-0, August 2021, doi: 10.1109/IRMMW-THz50926.2021.9567618
• Robert Kohlhaas, Steffen Breuer, Sven Mutschall, Mathias Kehrt, Simon Nellen, Lars Liebermeister, Martin Schell, Björn Globisch
  Fiber Coupled THz Time-Domain Spectrometer with 10 THz Bandwidth,
  2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Chengdu, China, ISBN: 978-1-7281-9424-0, August 2021, doi: 10.1109/IRMMW-THz50926.2021.9567293
• Felix Fobbe, Tim Vogel, Frank Wulf, Robert Kohlhaas, Björn Globisch, Benjamin Rudin, Florian Emaury, Clara J. Saraceno
  THz Generation with Photoconductive Emitters with a Low-noise GHz Repetition Rate Laser,
  2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Chengdu, China, ISBN: 978-1-7281-9424-0, August 2021, doi: 10.1109/IRMMW-THz50926.2021.9567184
• Robert Kohlhaas, Steffen Breuer, Lars Liebermeister, Simon Nellen, Milan Deumer, Martin Schell, Björn Globisch
  Novel photoconductive antennas based on rhodium doped InGaAs with 637 μW emitted THz power,
  SPIE OPTO, Online Only, March 2021, doi: 10.1117/12.2582964
• Guillermo Carpintero, Alejandro Rivera-Lavado, Muhsin Ali, Daniel Gallego, Luis Enrique Garcia-Munoz, David DeFelipe, Norbert Keil, Lars Liebermeister, Sebastian Lauck, Björn Globisch, Dmitry Lyubchenko, Nikolaos Xenidis, Enrique Prados-Castro, Jose Maria Pindado-Buendia, Riccardo Rossetti, Michael Nagel
  Interconnection challenges on integrated terahertz photonic systems,
  Optical Interconnects Conference, online, March 2021, doi: 10.1117/12.2582982, 116920N

2020

• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Sebastian Lauck, Milan Deumer, Steffen Breuer, Björn Globisch
  Comparison of Optoelectronic Time- and Frequency-Domain Systems for Single- and Multilayer Thickness Measurements,
  2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Buffalo, NY, USA, ISBN: 978-1-7281-6620-9, November 2020, doi: 10.1109/IRMMW-THz46771.2020.9370519
• Simon Nellen, Garrit William Johannes Schwanke, Adam Rämer, Lars Liebermeister, Robert Kohlhaas, Milan Deumer, Eduard Dischke, S. Shevchenko, Wolfgang Heinrich, Viktor Krozer, Martin Schell, Björn Globisch
  Comparison of Photoconductive Antenna, TeraFET and Schottky Barrier Diode as Detectors for Continuous-Wave Terahertz,
  2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Location: Buffalo, NY, USA, ISBN: 978-1-7281-6620-9, November 2020, doi: 10.1109/IRMMW-THz46771.2020.9370838
• Robert Kohlhaas, Steffen Breuer, Simon Nellen, Lars Liebermeister, Martin Schell, Mykhaylo P. Semtsiv, William Ted Masselink, Björn Globisch
  Terahertz time-domain spectroscopy system using rhodium doped InGaAs antennas: 637 μW peak power and 110 dB dynamic range,
  2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Buffalo, NY, USA, ISBN: 978-1-7281-6620-9, November 2020, doi: 10.1109/IRMMW-THz46771.2020.9370673
• Björn Globisch, Lars Liebermeister, Robert Kohlhaas, Anselm Deninger, Lars Anklamm, Rüdiger Mästle
  Fully Automated Terahertz Layer Thickness Measurement System,
  2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Buffalo, NY, USA, ISBN: 978-1-7281-6620-9, November 2020, doi: 10.1109/IRMMW-THz46771.2020.9370502
• Björn Globisch, Lars Liebermeister, Robert Kohlhaas, Martin Schell
  Continuous-wave terahertz spectrometer without active phase modulation,
  Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII, San Francisco, California, USA, SPIE Digital Library, p. 112790U, March 2020, doi: 10.1117/12.2545856, Invited Paper
• Björn Globisch, Robert Kohlhaas, Steffen Breuer, Lars Liebermeister, Simon Nellen, Martin Schell
  Next-generation photo-conductive THz devices for 1550 nm excitation,
  Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII, San Francisco, California, USA, SPIE Digital Library, p. 1127911, March 2020, doi: 10.1117/12.2546113, Invited Paper
• Björn Globisch, Robert Kohlhaas, Steffen Breuer, Lars Liebermeister, Simon Nellen, Martin Schell
  Next-generation photo-conductive THz devices for 1550nm excitation,
  SPIE OPTO, San Francisco, California, United States, March 2020, doi: 10.1117/12.2546113
• Björn Globisch, Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Martin Schell
  Continuous-wave terahertz spectrometer without active phase modulation (Conference Presentation,
  SPIE OPTO, San Francisco, California, United States, March 2020, doi: 10.1117/12.2545856

2019

• Simon Nellen, Tadao Ishibashi, Lauri Maximilian Schwenson, Robert Kohlhaas, Lars Liebermeister, Steffen Breuer, Anselm Deninger, Martin Schell, Björn Globisch
  Direct Comparison of PIN and UTC Photodiodes for Continuous-Wave Terahertz Emission,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, IEEE Xplore Digital Library, p. 1, September 2019, doi: 10.1109/IRMMW-THz.2019.8873981, 19149386
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Steffen Breuer, Martin Schell, Björn Globisch
  How to spare the phase modulator in fast-sweeping coherent cw THz systems,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, IEEE Xplore Digital Library, pp. 1-2, September 2019, doi: 10.1109/IRMMW-THz.2019.8874173, 19149276
• Robert Kohlhaas, Steffen Breuer, Simon Nellen, Lars Liebermeister, Martin Schell, Mykhaylo Petrovych Semtsiv, William T. Masselink, Björn Globisch
  THz TDS system with 105 dB dynamic range based on transition metal doped InGaAs,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, IEEE Xplore Digital Library, pp. 1-3, September 2019, doi: 10.1109/IRMMW-THz.2019.8873904, 19080023
• Simon Nellen, Tadao Ishibashi, Lauri Maximilian Schwenson, Robert Kohlhaas, Lars Liebermeister, Steffen Breuer, Anselm Deninger, Martin Schell, Björn Globisch
  Direct Comparison of PIN and UTC Photodiodes for Continuous-Wave Terahertz Emission,
  2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, ISBN: 978-1-5386-8285-2, September 2019, doi: 10.1109/IRMMW-THz.2019.8873981
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Steffen Breuer, Martin Schell, Björn Globisch
  How to spare the phase modulator in fast-sweeping coherent cw THz sys-tems,
  2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, ISBN: 978-1-5386-8285-2, September 2019, doi: 10.1109/IRMMW-THz.2019.8874173
• Jess Smith, Simon Nellen, Sebastian Lauck, Björn Globisch, Mira Naftaly
  Beam Profile Investigation of an Optoelectronic Continuous-Wave Terahertz Emitter,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, IEEE Xplore Digital Library, pp. 1-2, September 2019, doi: 10.1109/IRMMW-THz.2019.8874086, 19079946
• Kevin Kolpatzeck , Xuan Liu, Simon Nellen, Benedikt Friederich, Dilyan Damyanov, Lars Häring, Thorsten Schultze, Björn Globisch, Jan C. Balzer, Andreas Czylwik
  Wideband Radiation Pattern Simulation and Measurement of a Photodiode-Based Continuous-Wave THz Emitter,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, IEEE Xplore Digital Library, pp. 1-2, September 2019, doi: 10.1109/IRMMW-THz.2019.8874041, 19079996
• Michael Nagel, Alexander Michalski, Simon Sawallich, Robert Kohlhaas, Björn Globisch
  Advanced photoconductive Terahertz near-field microprobes for 1550 nm wavelength operation based on InGaAs: Rh,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, IEEE Xplore Digital Library, pp. 1-2, September 2019, doi: 10.1109/IRMMW-THz.2019.8874527, 19149080
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Steffen Breuer, Martin Schell, Björn Globisch
  Realtime coherent cw THz system: Phase modulation without phase modulator,
  European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, June 2019, doi: 10.1109/CLEOE-EQEC.2019.8871872, 19148495
• Robert Kohlhaas, Simon Nellen, Lars Liebermeister, Steffen Breuer, Martin Schell, Björn Globisch
  THz transceiver with 6.5 THz bandwidth,
  European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, IEEE Xplore Digital Library, June 2019, doi: 10.1109/CLEOE-EQEC.2019.8872180
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Steffen Breuer, Martin Schell, Björn Globisch
  Realtime coherent cw THz system: Phase modulation without phase modulator,
  2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, ISBN: 978-1-7281-0469-0, June 2019, doi: 10.1109/CLEOE-EQEC.2019.8871872
• Robert Kohlhaas, Simon Nellen, Lars Liebermeister, Steffen Breuer, Martin Schell, Björn Globisch
  THz transceiver with 6.5 THz bandwidth,
  2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, June 2019, doi: 10.1109/CLEOE-EQEC.2019.8872180
• Wolfgang Freude, Tobias Harter, Sandeep Ummethala, Sascha Muehlbrandt, Matthias Blaicher, Stefan Wolf, Marco Weber, Florian Boes, Hermann Massler, Axel Tessmann, Yasar Kutuvantavida, Juned Nassir Kemal, Simon Nellen, Lothar Hahn, Björn Globisch, Martin Walther, Thomas Zwick, Sebastian Randel, Christian Koos
  Wireless Terahertz Communications,
  European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, IEEE Xplore Digital Library, p. 1, June 2019, doi: 10.1109/CLEOE-EQEC.2019.8873098
• Steffen Breuer, Robert Kohlhaas, Simon Nellen, Lars Liebermeister, Björn Globisch, Martin Schell, Mykhaylo Petrovych Semtsiv, William Ted Masselink
  Transition Metal Doped InGaAs Photoconductors for THz Detectors,
  International Conference on Indium Phosphide and Related Materials (IPRM/CSW), Nara, Japan, May 2019, doi: 10.1109/ICIPRM.2019.8819317
• Carlos Moises Castro Posada, Simon Nellen, Robert Elschner, Isaac Sackey, Robert Emmerich, Thomas Merkle, Björn Globisch, David de Felipe Mesquida, Colja Schubert
  32 GBd 16QAM Wireless Transmission in the 300 GHz Band Using a PIN Diode for THz Upconversion,
  Optical Fiber Communication Conference 2019 (OFC), San Diego, California United States, ISBN: 978-1-943580-53-8, March 2019, doi: 10.1364/OFC.2019.M4F.5
• Björn Globisch, Simon Nellen, Lars Liebermeister, Robert Kohlhaas, Martin Schell
  Photonic Terahertz Solutions for Sensing, Spectroscopy and Wireless Communication,
  Conference on Optical Fiber Communication (OFC), San Diego, California, USA, pp. 759-761, March 2019
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Martin Schell, Björn Globisch
  Continuous wave terahertz spectrometer with 2 THz bandwidth and update rates of 24 Hz,
  Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications, San Francisco, California, USA, SPIE Digital Library, March 2019, doi: 10.1117/12.2509606
• Björn Globisch, Simon Nellen, Lars Liebermeister, Robert Kohlhaas, Martin Schell
  Photonic Terahertz Solutions for Sensing, Spectroscopy and Wireless Communication,
  2019 Optical Fiber Communications Conference and Exhibition (OFC), San Diego, CA, USA, ISBN: 978-1-943580-53-8, March 2019, doi: 10.1364/OFC.2019.Tu2D.2
• Simon Nellen, Carlos Moises Castro Posada, Lars Liebermeister, Robert Kohlhaas, Robert Elschner, Colja Schubert, Martin Schell, Björn Globisch, Ronald Freund
  PIN Photodiode Emitters for 32 GBd 16QAM wireless links at 300 GHz,
  44th International Conference on Infrared, Millimeter, and Terahertz Waves (RMMW 2019), Paris, France, January 2019, doi: 10.1109/IRMMW-THz43657.2019.9050608

2018

• Simon Nellen, Robert Kohlhaas, Lars Liebermeister, Steffen Breuer, Björn Globisch, Martin Schell
  Continuous Wave Terahertz Generation from Photodiode-Based Emitters with up to 200 μ W Terahertz Power,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Nagoya, Japan, IEEE, October 2018, doi: 10.1109/IRMMW-THz.2018.8509858
• Robert Kohlhaas, Björn Globisch, Steffen Breuer, Simon Nellen, Lars Liebermeister, Martin Schell, Peter H. Richter, Martin Koch, Mykhaylo P. Semtsiv, William T. Masselink
  Terahertz Receivers for Time-Domain Spectroscopy Made of Transition Metal Doped InGaAs: Up to 105 dB Dynamic Range,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Nagoya, Japan, IEEE, October 2018, doi: 10.1109/IRMMW-THz.2018.8509986
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Martin Schell, Björn Globisch
  Real-time Continuous Wave Terahertz Spectroscopy with 2 THz Bandwidth,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Nagoya, Japan, IEEE, October 2018, doi: 10.1109/IRMMW-THz.2018.8510414
• Simon Nellen, Robert Kohlhaas, Lars Liebermeister, Steffen Breuer, Björn Globisch, Martin Schell
  Continuous wave terahertz generation from photodiode-based emitters with up to 200 μW terahertz power,
  2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Nagoya, Japan, ISBN: 978-1-5386-3809-5, September 2018, doi: 10.1109/IRMMW-THz.2018.8509858
• Robert Kohlhaas, Björn Globisch, Steffen Breuer, Simon Nellen, Lars Liebermeister, Martin Schell, Philipp-Henrik Richter, Martin Koch, Mykhaylo Petrovych Semtsiv, William Ted Masselink
  Terahertz Receivers for Time-Domain Spectroscopy Made of Transition Metal Doped InGaAs: Up to 105 dB Dynamic Range,
  2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), ISSN Information: DOI: 10.1109/IRMMW-THz.2018.8509986 Publisher: IEEE Conference Location: Nagoya, Japan, ISBN: 978-1-5386-3809-5, September 2018, doi: 10.1109/IRMMW-THz.2018.8509986
• Robert Kohlhaas, Simon Nellen, Lars Liebermeister, Steffen Breuer, Björn Globisch
  Monolithically Integrated THz Transceiver for 1550 nm Excitation,
  Conference on Lasers and Electro-Optics (CLEO), San Jose, USA, OSA, May 2018, doi: 10.1364/CLEO_SI.2018.STu3D.5, STu3D
• Björn Globisch, Simon Nellen, Robert Kohlhaas, Lars Liebermeister, Martin Schell
  Terahertz time-domain spectroscopy for non-destrucitve testing,
  SPIE OPTO Photonics West (PW), San Francisco, USA, SPIE, February 2018, doi: 10.1117/12.2290268
• Simon Nellen, Björn Globisch, Robert Kohlhaas, Lars Liebermeister, Martin Schell
  Recent progress of continuous-wave terahertz systems for spectroscopy, non-destructive testing, and telecommunication,
  SPIE OPTO Photonics West (PW), San Francisco, USA, SPIE, February 2018, doi: 10.1117/12.2290207
• Björn Globisch, Simon Nellen, Robert Kohlhaas, Lars Liebermeister, Martin Schell
  Terahertz time-domain spectroscopy for non-destructive testing,
  SPIE OPTO, San Francisco, California, United States, February 2018, doi: 10.1117/12.2290268

2017

• Simon Nellen, Björn Globisch, James O´Gormann, Simon Nellen, Liam Barry, Martin Schell, Vidak Vujicic
  Fiber-Coupled, Photoconductive Receiver for Heterodyne Detection up to 1 THz Stabilized by an Optical Frequency Comb,
  42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Cancun, Mexico, September 2017, doi: 10.1109/IRMMW-THz.2017.8067019
• Robert Kohlhaas, Simon Nellen, Lars Liebermeister, Björn Globisch, Martin Schell
  70 dB signal-to-noise ratio at 3 THz using locally doped InGaAs-based photoconductive detectors,
  42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Cancun, Mexico, September 2017, doi: 10.1109/IRMMW-THz.2017.8067021
• Lars Liebermeister, Simon Nellen, Robert Kohlhaas, Björn Globisch, J. Giesekus, Martin Schell
  Photonic and Electronic Integration of cw THz Systems and ist Impact on System Cost Scaling,
  42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Cancun, Mexico, September 2017
• Steffen Breuer, Björn Globisch, Robert Kohlhaas, Martin Schell, Mykhaylo P. Semtsiv, W. T. Masselink
  Integrated Photoconductive THz Emitters and Detectors made of Fe-doped InGaAs,
  Austrian MBE Workshop , Vienna, Austria, September 2017
• Robert Kohlhaas, Simon Nellen, Lars Liebermeister, Björn Globisch, Martin Schell
  70 dB signal-to-noise ratio at 3 THz using locally doped InGaAs-based photoconductive detectors,
  2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Cancun, Mexico, ISBN: 978-1-5090-6050-4, September 2017, doi: 10.1109/IRMMW-THz.2017.8067021
• Lars Liebermeister
  Photonic and electronic integration of cw THz systems and its impact on system cost scaling,
  2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Cancun, Mexico, ISBN: 978-1-5090-6050-4, September 2017, doi: 10.1109/IRMMW-THz.2017.8067117
• Björn Globisch, Robert Kohlhaas, J. Giesekus, Martin Schell, Mykhaylo P. Semtsiv, W. Ted Masselink
  High Power and High Bandwidth Photoconductive Terahertz Emitters and Detectors made of Iron Doped InGaAs,
  Conference on Lasers and Electro-optics (CLEO), München, Germany, June 2017
• Simon Nellen, Liam Barry, Björn Globisch, Thorsten Göbel, Robert Kohlhaas, James O´Gormann, Martin Schell, Dennis Stanze
  Fiber-Coupled, Photoconductive Heterodyne Receiver Operating at Frequencies up to 1 THz,
  Conference on Lasers and Electro-Optics CLEO, San Jose, USA, Optical Society of America, p. paper SM3J.7, May 2017, doi: 10.1364/CLEO_SI.2017.SM3J.7
• Robert Kohlhaas, Björn Globisch, Simon Nellen, Martin Schell
  Photoconductive THz detectors utilizing localized Beryllium doping: 10 dB increase in dynamic range,
  Optical Terahertz Science and Technology (OTST) , London, UK, April 2017

2016

• Robert Kohlhaas, Björn Globisch, Roman J. B. Dietz, Thorsten Göbel, Martin Schell
  Fe doped InGaAs for the generation and detection of pulsed THz radiation,
  41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Copenhagen, Denmark, IEEE, December 2016, doi: 10.1109/IRMMW-THz.2016.7758972
• Jan C. Balzer, Robert Kohlhaas, Arno Rehn, Martin Koch, Martin Schell, Thorsten Göbel
  Fiber coupled THz qTDS at 1550 nm," 2016 41st International Conference on Infrared, Millimeter, and Terahertz,
  2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Copenhagen, Denmark, ISBN: 978-1-4673-8485-8, September 2016, doi: 10.1109/IRMMW-THz.2016.7758611
• Guillermo Carpintero, Shintaro Hisatake, David de Felipe Mesquida, Robinson Guzman, Tadao Nagatsuma, Norbert Keil, Thorsten Göbel
  Photonics-based millimeter and terahertz wave generation using a hybrid integrated dual DBR polymer laser,
  IEEE MTT-S International Microwave Symposium (IMS), San Francisco, CA, USA , IEEE, August 2016, doi: 10.1109/MWSYM.2016.7540330
• Björn Globisch, Roman J. B. Dietz, Robert Kohlhaas, Moritz Kleinert, Helmut Roehle
  Fully-integrated THz transceiver with 4.5 THz bandwidth and 70 dB dynamic range,
  41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Copenhagen, Denmark, IEEE, January 2016, doi: 10.1109/IRMMW-THz.2016.7758645
• David de Felipe Mesquida, Magnus Happach, Simon Nellen, Walter Brinker, Moritz Kleinert, Crispin Zawadzki, Martin Möhrle, Norbert Keil, Thorsten Göbel, Klaus Petermann, Martin Schell
  Hybrid polymer/InP dual DBR laser for 1.5 μm continuous-wave terahertz systems,
  Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications, San Francisco, CA, USA, SPIE, January 2016, doi: 10.1117/12.2212989

2015

• Th. Göbel
  Photonic Terahertz-Systems based on optical communication technologies,
  Invited talk at EUMW,WSO1, Paris,France, September 2015, WSO1, Invited Paper
• Björn Globisch, R.J.B. Dietz, A. Steiger, W. Bohmeyer, Th. Göbel, Martin Schell
  First absolute power measurement of a terahertz time domainspectroscopy system based on InGaAs/InAlAs photoconductors,
  IRMMW THZ 2015, Chinese University of Hong Kong Hong Kong, China, August 2015, doi: 10.1109/IRMMW-THz.2015.7327515, H2D-2
• R.J.B. Dietz, Björn Globisch, H. Roehle, Th. Göbel, Martin Schell
  Fiber coupled terahertz time domain spectroscopy system based onInGaAs/InAlAs photoconductors with 100 dB dynamic range,
  IRMMW THZ 2015, Chinese University of Hong Kong Hong Kong, China, August 2015, doi: 10.1109/IRMMW-THz.2015.7327408, F1D-1
• Th. Göbel
  Photonic Integrated Circuits for Generation and Detection of Coherent CW THZ Radiation,
  PIERS Conference, Prague,Czech Republic, July 2015, 3P5, Invited Paper
• R.J.B. Dietz, Björn Globisch, H. Roehle, Th. Göbel, Martin Schell
  Photonic Terahertz-Systems based on optical communication technologies,
  Invited talk at Analytix BIT-Congress, Nanjing,China, April 2015, Invited Paper

2013

• Th. Göbel, D. Stanze, R.J.B. Dietz, Björn Globisch, H. Roehle, Martin Schell
  1.5µm cw THZ photomixing system with 105 dB signal-to-noise ratio,
  Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Mainz, Germany, September 2013
• R.J.B. Dietz, Björn Globisch, M. Gerhard, D. Stanze, M. Koch, B. Sartorius, Th. Göbel, Martin Schell
  32 µW pulsed terahertz emission from high mobility InAlAs/InGaAs multi-nanolayer structures,
  Conference on Lasers and Electro-Optics (CLEO), San Jose, USA, June 2013
• Björn Globisch, D. Stanze, R.J.B. Dietz, Th. Göbel, B. Sartorius, Martin Schell
  Influence of trap saturation on the performance in CW photomixing THZ systems,
  Optical Terahertz Science and Technology (OTST), Kyoto, Japan, April 2013
• Th. Göbel, D. Stanze, Ute Troppenz, J. Kreissl, B. Sartorius, Martin Schell
  Towards integrated continuous wave THZ systems,
  Photonics West, San Francisco,USA, February 2013
• Björn Globisch, R.J.B. Dietz, Th. Göbel, Martin Schell, D. Stanze
  Optimization of cw THZ receivers by Be doping of low-temperaturegrown InGaAs/InAlAs heterostructures,
  IRMMW THZ, Mainz, Germany, January 2013
• D. Stanze, R.J.B. Dietz, Björn Globisch, Th. Göbel, Martin Schell
  Photoconductive Cw THZ Receiver With 20-Fold Increased THZ conversion efficiency,
  IRMMW THZ, Mainz, Germany, January 2013

2011

• R.J.B. Dietz, M. Gerhard, J. Boettcher, H. Kuenzel, M. Koch, B. Sartorius, Martin Schell
  Photoconductive THZ generation at 1.5 µm excitation in InGaAs/InAlAs structures with separated photoconductive and trapping layers ,
  (2011) IRMMW-THZ 2011 - 36th International Conference on Infrared,Millimeter,Terahertz Waves, Hyatt Regency Hotel Houston, TX, USA, October 2011, doi: 10.1109/irmmw-THz.2011.6104831
• Th. Göbel, D. Stanze, R.J.B. Dietz, H. Roehle, M. Schlak, B. Sartorius, Martin Schell
  Next generation continuous wave photomixing THZ systems ,
  (2011) IRMMW-THZ 2011 - 36th International Conference on Infrared,Millimeter,Terahertz Waves, Hyatt Regency Hotel Houston, TX, USA, October 2011, doi: 10.1109/irmmw-THz.2011.6105046
• D. Stanze, Th. Göbel, B. Sartorius, Martin Schell
  Inline electro-optical phase control for CW terahertz systems ,
  Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Houston, TX, USA , October 2011
• Ute Troppenz, J. Kreissl, Martin Möhrle, C. Bornholdt, Wolfgang Rehbein, B. Sartorius, Ian Woods, Martin Schell
  40 Gbit/s directly modulated lasers: Physics and application ,
  Novel In-Plane Semiconductor Lasers, San Francisco, CA, USA, January 2011

2010

• B. Sartorius, H. Roehle, R.J.B. Dietz, D. Stanze, H. Kuenzel, Martin Schell
  Telecom technologies for THZ applications- Challenges and chances ,
  (2010) IRMMW-THZ 2010 - 35th International Conference on Infrared,Millimeter,Terahertz Waves,Conference Guide, Angelicum, Pontificia Universita' S. Tommaso d'Aquino Rome, Italy, September 2010, doi: 10.1109/ICIMW.2010.5612773
• D. Stanze, H. Roehle, R.J.B. Dietz, H.J. Hensel, D. Schmidt, Heinz-Gunter Bach, Martin Schell, B. Sartorius
  Improving photoconductive receivers for 1.5 µm CW THZ systems ,
  (2010) IRMMW-THZ 2010 - 35th International Conference on Infrared,Millimeter,Terahertz Waves,Conference Guide, Angelicum, Pontificia Universita' S. Tommaso d'Aquino Rome, Italy, September 2010, doi: 10.1109/ICIMW.2010.5612760
• R.J.B. Dietz, H. Roehle, D. Stanze, V. Montanaro, H.J. Hensel, Martin Schell, B. Sartorius
  Mesa structured photoconductive antennas for 1.5 µm: All-fibre THZ-TDS spectroscopy beyond 4 THZ ,
  (2010) IRMMW-THZ 2010 - 35th International Conference on Infrared,Millimeter,Terahertz Waves,Conference Guide, Angelicum, Pontificia Universita' S. Tommaso d'Aquino Rome, Italy, September 2010, doi: 10.1109/ICIMW.2010.5612633
• A. Deninger, D. Stanze, S. Schindler, M. Schlak, B. Sartorius, W. Kaenders
  Progress towards an ultracompact cw terahertz spectrometer ,
  (2010) IRMMW-THZ 2010 - 35th International Conference on Infrared,Millimeter,Terahertz Waves,Conference Guide, Angelicum, Pontificia Universita' S. Tommaso d'Aquino Rome, Italy, September 2010
• R.J.B. Dietz, H. Roehle, H.J. Hensel, J. Böttcher, H. Künzel, D. Stanze, Martin Schell, B. Sartorius
  Mesa-structured InGaAs/InAlAs photoconductive antennas for THZ time domain systems operated at 1.5 µm ,
  (2010) Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications,CLEO/QELS 2010, San Jose McEnery Convention Center San Jose, CA, USA, May 2010
• H. Roehle, B. Sartorius, D. Stanze, R.J.B. Dietz, Martin Schell
  Handheld terahertz systems based on telecom technologies ,
  (2010) Proceedings of SPIE - The International Society for Optical Engineering, The Moscone Center San Francisco, California, United States, January 2010, doi: 10.1117/12.840827
• R.J.B. Dietz, H. Roehle, H.J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schlak, Martin Schell, B. Sartorius
  Improving photoconductive THZ antennas for 1.5 µm operation ,
  2010 IEEE Photonics Society Winter Topicals Meeting Series,WTM 2010, Gran Melia Victoria Majorca, Spain, IEEE, pp. 42-43, January 2010, doi: 10.1109/PHOTWTM.2010.5421974, art. no. 5421974, pp. 42-43

2009

• Dennis Stanze, Heinz-Gunter Bach, Reinard Kunkel, Reiner Schmidt, Helmut Roehle, Michael Schlak, Martin Schell, Bernd Sartorius
  Coherent CW terahertz systems employing photodiode emitters,
  34th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Busan, South Korea, November 2009
• N. Krumbholz, M. Koch, J. Beckmann, Martin Scheller, R. Holzwarth, Helmut Roehle, R. Wilk, R. Scheunemann, T. Müller-Wirts, L. S. von Chrzanowski, C. Jansen, Bernd Sartorius, U. Ewert, S. Lübbecke, Dennis Stanze
  Handheld terahertz spectrometer for the detection of liquid explosives,
  SPIE Security + Defence, Berlin, Germany, pp. 748504-7485012, September 2009

2008

• Helmut Roehle, Harald Künzel, Michael Schlak, Bernd Sartorius, D. Stanze, Jutta Böttcher
  1.5 µm wavelength all-fiber terahertz time-domain spectrometer,
  International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Pasadena, CA, USA, IEEE, September 2008
• Bernd Sartorius
  Terahertz Transmitters and Receivers,
  Conference on Optical Fiber Communication (OFC), San Diego, CA, USA, IEEE , pp. 1-3, February 2008

2007

• Bernd Sartorius, Jutta Böttcher, Carsten Bornholdt, Harald Künzel, Helmut Roehle, Michael Schlak
  Telecom components for terahertz applications: LT InGaAs photoconductors for coherent detection close the gap,
  European Conference on Optical Communication (ECOC), Berlin, Germany, VDE-Verlag, p. 2 pp, September 2007
• E. Schulze, K. Boucke, M. Haverkamp, G. Kochem, H. Roehle
  1.1W Four-Wavelength Raman Pump Using BH Lasers,
  OFC 2007, Anaheim, CA (US) , March 2007
• Bernd Sartorius, M. Koch, R. Holzwarth, M. Mei, Harald Künzel, Helmut Roehle, M. Mikulics, K. Biermann, I. Z. Kozma, R. Wilk, Jutta Böttcher
  THz Photoconductive Antennas for 1.55 µm Telecom Wavelengths,
  Optical Terahertz Science and Technology (OTST), Orlando, FL, USA, p. ME6, March 2007

2006

• Sven Bauer, M. Biletzke, C. Castar, H. Ding, Ronald Freund, J. Kreissl, Lutz Molle, B. Sartorius
  Compact RZ-DPSK Transmitter Applying a PhaseCOMB Laser as Carved Source,
  Proc. Optical Fiber Communication Conference (OFC 2006),Anaheim (USA), Anaheim,CA,(USA), March 2006, doi: 10.1109/OFC.2006.215720, OThG6

2001

• Carsten Bornholdt, Stefan Bauer, Martin Möhrle, Hans-Peter Nolting, Bernd Sartorius
  All optical clock recovery at 80 GHz and beyond,
  European Conference on Optical Communication (ECOC), Amsterdam, Netherlands, pp. 502-503, September 2001

2023

• Steffen Breuer, Alexander Dohms, Lars Liebermeister, Andreas Graff, Susanne Hübner, Frank Altmann, Robert Kohlhaas
  FeAs Nanoclusters in High-Mobility Ultrafast Photoconductors on InP ,
  DGKK-DEMBE, Stuttgart, Germany, November 2023, Talk
• Alexander Kleinkamp, Steffen Breuer, Robert Kohlhaas
  Wafer Temperature Measurements during Molecular Beam Epitaxy on InP for Ultrafast Photoconductors,
  DGKK-DEMBE, Stuttgart, Germany, November 2023, Talk

2021

• E.R. Brown, Björn Globisch, A. Rivera, Daniel Segovia-Vargas, A. Steiger
  Photoconductive THz Sources Driven at 1550 nm,
  In: Fundamentals of Terahertz Devices and Applications, John Wiley & Sons Ltd., Hoboken, NJ, ISBN: 978-1-119-46071-8, p. chapter 3, 2021, Book Chapter

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