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
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
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
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
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
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
2020
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
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 2019, doi: https://doi.org/10.1007/s10762-019-00638-5, Open Access
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
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
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
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
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
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
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, August 2022
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
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
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
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
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
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
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
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
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
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
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
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
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