Free-Space Optical Systems
Articles in Journals
2023
- Guanxiong Zhang, Andy Schreier, Xiuze Wang, William Matthews, James Farmer, Grahame Faulkner, Steve J. Elston, Stephen M. Morris, Dominic O´Brien
Free-Space Optical Communication Link With Liquid Crystal Beam-Steering,
IEEE Photonics Technology Letters, vol. 35, no. 22, pp. 1199-1202 , November 2023, doi: 10.1109/LPT.2023.3308774, Open Access - Feng Lui, James Farmer, Andy Schreier, Grahame Faulkner, Hyunchae Chun, William Matthews, Zhaoming Wang, Dominic O´Brien
Ultra-sensitive UV solar-blind optical wireless communications with an SiPM,
Optics Letter, vol. 48, pp. 5387-5390, October 2023, doi: 10.1364/ol.503235, Open Access - Guanxiong Zhang, Andy Schreier, Chao He, Atchutananda Surampudi, Grahame Faulkner, Steve J. Elston, Dominic O´Brien, Stephen M. Morris
Optical Beam-steering and polarization property of a liquid crystal laser,
Proc. SPIE PC12658, vol. Liquid Crystals XXVII, PC1265805 , September 2023, doi: 10.1117/12.2676363, Open Access - Robin Terhaar, Jasper Rödiger, Matthias Häußler, Michael Wahl, Helge Gehring, Martin A. Wolff, Fabian Beutel, Wladick Hartmann, Nicolai Walter, Jonas Hanke, Peter Hanne, Nino Walenta, Maximilian Diedrich, Nicolas Perlot, Max Tillmann, Tino Röhlicke, Mahdi Ahangarianabhari, Carsten Schuck, Wolfram H. P. Pernice
Ultrafast quantum key distribution using fully parallelized quantum channels,
Optics Express, Optica Publishing Group, vol. 31, no. 2, pp. 2675-2688, January 2023, doi: 10.1364/OE.469053, arXiv: https://opg.optica.org/oe/fulltext.cfm?uri=oe-31-2-2675&id=525072, Open Access
2017
- Jasper Rödiger, Nicolas Perlot, R. Mottola, Robert Elschner, Carl-M. Weinert, O. Benson, Ronald Freund
Numerical Assessment and Optimization of Discrete-Variable Time-Frequency Quantum Key Distribution,
Physical Review A, vol. 95, no. 5, May 2017, doi: 10.1103/PhysRevA.95.052312
2016
- Nicolas Perlot, Michael Rohde
Transmission between single-mode Gaussian antennas,
Optics Express, Optical Society of America, vol. 24, no. 17, pp. 19491-19496, August 2016, doi: 10.1364/OE.24.019491
2015
- Jasper Rödiger, Nicolas Perlot, Ronald Freund
Time-frequency QKD protocol over the FSO channel,
9. ITG Fachkonferenz „Breitbandversorgung in Deutschland“, February 2015
2014
- Carl-M. Weinert, Stephan Hiegemann, Denny Hoh, Nicolas Perlot, Michael Rohde, Sonja Unger
Taper Device for Tolerant Coupling of Free-Space Optical Beams Into Single-Mode Fiber,
IEEE Photonics Technology Letters, vol. 26, no. 18, pp. 1843 - 1846, July 2014, doi: 10.1109/LPT.2014.2337651
Conference Contributions
2024
- Tomi Getselev, Sarah Sommermeier, Matheus Ribeiro Sena, Nino Walenta, Ralf-Peter Braun, Michaela Riter, Marc Geitz, Nicolas Perlot, Ronald Freund
Demonstration of time-bin entanglement distribution and BBM92 QKD over the Berlin fiber testbed,
QR.X-Workshop III - Recent developments in quantum repeater science & technology, Feb 21-23 2024, Bad Honnef , February 2024
2023
- Peter Hanne, Aymeric Arnould, Nicolas Perlot, Abraham Johst, Bill Antonio Bernhardt, Marcel Rothe, Ronald Freund
Real-time 10-Gb/s signal combining over a 3-km free-space optical link with multi-aperture receiver,
24. VDE ITG Fachtagung Photonische Netze, Leipzig, Deutschland, December 2023 - Jan Krause, Nino Walenta, Benedikt Lezius, Richard Vincent Schilling, Ronald Freund
Experimental demonstration of a QKD platform over long-distance-, metro-, and last-mile links,
QCrypt 2023 - 13th International Conference on Quantum Cryptography, Maryland, USA, August 2023 - Jan Krause, Nino Walenta, Benedikt Lezius, Richard Vincent Schilling, Ronald Freund
Experimental demonstration of a QKD platform over long-distance-, metro-, and last-mile links,
Fraunhofer HHI, Berlin, August 2023 - Andy Schreier, Grahame Faulkner, Steve Elston, Grahame Faulkner, Dominic O´Brien, Stephen M. Morris
Non-mechanical optical beam-steering and polarization state distribution of LC lasers,
Liquid Crystals XXVII, part of SPIE Organic Photonics + Electronics, San Diego, August 2023, doi: https://doi.org/10.1117/12.2676363 - Pascal Rustige, Jan Krause, Lorenz Eckoldt, Patrick Runge, Martin Schell
Guard-ring free InGaAs/InP single photon avalanche diodes for C-band quantum communication,
Optical Fiber Communication Conference 2023, San Diego, USA, March 2023, doi: 10.1364/OFC.2023.W3C.4, Optica Publishing Group, paper W3C.4 - Nicolas Perlot
18km bidirectional free-space optical link with multi-aperture antenna and DWDM SFP+ transceivers (VERTIGO project),
Proc. Free-Space Laser Communications XXXV, San Francisco, CA, USA, SPIE Photonics West, Jan, 2023, March 2023 - Jan Krause, Pascal Rustige, Lorenz Eckoldt, Patrick Runge, Martin Schell
Guard-ring free InGaAs/InP single photon avalanche diodes for C-band quantum communication,
Optical Fiber Communication (OFC) Conference 2023, San Diego, March 2023, doi: https://doi.org/10.1364/OFC.2023.W3C.4
2022
- Florian Moll, Jan Krause, Nino Walenta, Ronald Freund, Eltimir Peev, Andrew Reeves, Rene Ruddenklau, Agnes Ferenczi, Luca Macri, Stefanie Hausler, Jorge Pacheco Labrador, Marie-Theres Hahn, Jurai Poliak, Davide Orsucci, Friederike Fohlmeister
Link technology for all-optical satellite-based quantum key distribution system in C-/L-band,
2022 IEEE International Conference on Space Optical Systems and Applications (ICSOS), Kyoto City, Japan, pp. 275-280, June 2022, doi: doi: 10.1109/ICSOS53063.2022.9749733 - Fabian Beutel, Matthias Häußler, Robin Terhaar, Martin A. Wolff, Wladick Hartmann, Nicolai Walter, Max Tillmann, Michael Wahl, Tino Röhlicke, Mahdi Ahangarianabhari, Andreas Bülter, Doreen Wernicke, Nicolas Perlot, Jasper Rödiger, Carsten Schuck, Wolfram H. P. Pernice
Ultra-Fast Single-Photon Counting with Waveguide-Integrated Detectors for Quantum Technologies,
Proc. SPIE 12089, Advanced Photon Counting Techniques XVI, Orlando, Florida, United States, May 2022, doi: doi: 10.1117/12.2620329 - Nino Walenta
Quantum key distribution systems for future-proof information security,
OPTICS & PHOTONICS International Exhibition (OPIE), Yokohama, Japan, April 2022, Invited Paper
2021
- Jan Krause, Benedikt Lezius, Richard Vincent Schilling, Jonas Hilt, Stefan Weide, Nino Walenta, Nicolas Perlot, Ronald Freund
A real-time experimental QKD platform for a quantum-secure German agencies infrastructure,
QCrypt 2021, online, August 2021 - A. Le Kerneca, A. Mahoa, S. Lévêquea, B. Bénazeta, M. Sotoma, D. Matterb, L. Pommarelb, H. Lindbergb, L. Francoub, M. Welchc, A. Donnotc, P. Keanc, J. Edmundsc, E. Kehayasc, N. Perlotd, A. Arnouldd, P. Hanned, A. Johstd, M. Rothed, A. Paraskevopoulosd, R. Freund, Y. Horste, B. I. Bitachone, L. Kulmere, T. Blattere, K. Kellere, J. Leutholde, V. Billaultf, A. Brignonf, J. Bourderionnetf, E. Lallierf, L. Leviandierf, J.-M. Conang, N. Védrenneg, A. Montmerle-Bonnefoisg, C. Petitg, J. Montrig, B. Sorrenteg, C. B. Limg, L. Stampoulidish, M. Fehrenzi, T. Lehnigk-Emdeni
The H2020 VERTIGO project : a major milestone towards optical feeder links,
COAT 2023, China, June 2021, doi: https://doi.org/10.1117/12.2599229 - Pascal Rustige, Patrick Runge, Francisco M. Soares, Jan Krause, Martin Schell
A new concept for spatially resolved coherent detection with vertically illuminated photodetectors targeting ranging applications,
SPIE OPTO: Optical Components and Materials XVIII, virtuell Conference, SPIE Digital Library, March 2021, doi: https://doi.org/10.1117/12.2576323, 11682
2020
- Jan Krause, Jonas Hanke, Carl M. Weinert, Nicolas Perlot, Ronald Freund
Monostatic LIDAR Sensor based on a Multi-mode Fiber Bundle,
ITG Fachtatung Photonische Netze 2020, Leipzig, November 2020, arXiv: https://ieeexplore.ieee.org/document/9273751 - Jonas Hanke, Jasper Rödiger, Nino Walenta, Nino Walenta, Nicolas Perlot, Ronald Freund
A simplified receiver for 32 channel wavelength-division multiplexing QKD,
QCrypt 2020, QCrypt 2020, August 2020 - Martin A. Wolff, Fabian Beutel, Matthias Häußler, Helge Gehring, R. Stegmüller, N. Walter, Wladick Hartmann, M. Tillmann, Michael Wahl, Tino Röhlicke, A. Bülter, D. Wernicke, Nicolas Perlot, Jasper Rödiger, Wolfram H. P. Pernice, Carsten Schuck
Waveguide-Integrated Superconducting Nanowire SinglePhoton Detector Array for Ultra-Fast Quantum Key Distribution ,
2020 Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, USA, ISBN: 978-1-943580-76-7, May 2020
2019
- Nicolas Perlot, Peter Hanne, Josep Perdigues
Bidirection 20 Gbit/s OOK link with a 4-telescope array and incoherent signal combining,
2019 IEEE International Conference on Space Optical Systems and Applications (ICSOS), Portland, OR, USA, USA, October 2019, doi: 10.1109/ICSOS45490.2019.8978966 - Martin A. Wolff, Fabian Beutel, Wladick Hartmann, Matthias Häußler, R. Stegmüller, N. Walter, M. Tillmann, Michael Wahl, Tino Röhlicke, A. Bülter, D. Wernicke, Nicolas Perlot, Jasper Rödiger, Wolfram H. P. Pernice, Carsten Schuck
QuPAD - Waveguide Integrated Superconducting Nanowire Array for Ultra-Fast Parallelized Single-Photon Detection,
Single Photon Workshop SPW-2019, Milan, Italy, p. 228, October 2019 - M. Tillmann, Michael Wahl, Tino Röhlicke, A. Bülter, D. Wernicke, Martin A. Wolff, Matthias Häußler, N. Walter, R. Stegmüller, Fabian Beutel, Wolfram H. P. Pernice, Carsten Schuck, Nicolas Perlot
QuPAD - high bandwidth photon detection enabled by a massively parallelized system,
Single Photon Workshop SPW-2019, Milan, Italy, October 2019 - Sakshi Sharma, Nicolas Perlot, Jasper Rödiger, Ronald Freund
Tracking challenges of QKD over relay satellite,
Proc. SPIE 11180, International Conference on Space Optics — ICSO 2018, Chania, Greece, July 2019, doi: doi: 10.1117/12.2536137
2017
- Farroukh Peykar Negar, Hans-Jürgen Kärcher, Thomas Sure, Nicolas Perlot
Design and Concepts for a 12m Optical Communication Antenna,
IEEE International Conference on Space Optical Systems and Applications (ICSOS), Naha, Okinawa, Japan , November 2017 - Jasper Rödiger, Nicolas Perlot, O. Benson, Ronald Freund
Time-Frequency QKD over the Free-Space Channel,
International Conference on Quantum Cryptography (QCrypt), Cambridge, United Kingdom, September 2017 - Jasper Rödiger, Nicolas Perlot, Fabian Beutel, O. Benson, Ronald Freund
Discrete-Variable Time-Frequency Quantum Key Distribution for Satellite Communication,
COST Action CA15220, Quantum Technologies in Space, Valetta, Malta, March 2017 - Fabian Beutel, Jasper Rödiger, Nicolas Perlot, O. Benson, Ronald Freund
Time-frequency QKD over free space,
DPG Frühjahrstagung, Mainz, Germany, March 2017 - C. Fuchs, Sylvain Poulenard, Nicolas Perlot, Jerome Riedi, Josep Perdigues
Optimization and throughput estimation of optical ground networks for LEO-downlinks, GEO-feeder links and GEO-relays,
SPIE LASE, San Francisco, California, USA, February 2017, doi: 10.1117/12.2254795 - Sylvain Poulenard, Alexandre Mègea, C. Fuchs, Nicolas Perlot, Jerome Riedi, Josep Perdigues
Digital optical feeder links system for broadband geostationary satellite,
SPIE LASE, San Francisco, California, USA, February 2017, doi: 10.1117/12.2255987
2016
- Jasper Rödiger, Nicolas Perlot, O. Benson, Ronald Freund
Benefits of time-frequency coding for Quantum Key Distribution,
International Conference on Space Optics (ICSO), Biarritz, France, October 2016 - Fabian Beutel, Jasper Rödiger, Nicolas Perlot, O. Benson, Ronald Freund
Evaluation of Time-Frequency QKD Over Different Transmission Channels,
Qcrypt, Washington, D.C., USA, September 2016
2015
- D. Giggenbach, Ronald Freund, C. Fuchs, R. Mata-Calvo, Nicolas Perlot, J. Poliak, F. Rein, Thomas Richter
Preliminary results of terabit-per-second long-range free-space optical transmission experiment THRUST,
Advanced Free-Space Optical Communication Techniques and Applications (9647B), SPIE Security + Defense 20151, Toulouse, France, September 2015, 9647-21, Invited Paper - Jasper Rödiger, Nicolas Perlot, M. Leifgen, Robert Elschner, R. Mottola, O. Benson, Ronald Freund
Large-Alphabet Time-Frequency Quantum Key Distribution,
QCrypt 2015, Tokyo, Japan, June 2015
Talks
2024
- Jerome Wiesemann
Towards the certification of quantum key distribution systems,
Heraeus Seminar - Physics and Security, 2024, Talk
2023
- Jan Krause
Quantum key distribution - Systems & PICs,
PolyChrome Workshop 2023, Berlin, November 2023, Talk - Jan Krause
A real-time experimental QKD platform for quantum-secure telecom infrastructures,
BOS.QT Workshop, Berlin, October 2023, Talk - Jan Krause
34 h continuous QKD operation over 1.7 km free-space + fiber hybrid link during day and night,
QCrypt 2023, Maryland, USA, August 2023, Talk
2022
- Nino Walenta
On the deployment of QKD systems with single-photon detectors,
QR.X Workshop on Implementations of fiber testbeds for quantum communication, , Berlin, Germany, September 2022, Talk - Jan Krause
Quantum key distribution systems for future-proof information security in commu- nication networks,
BMBF Quantum Futur Akademie, Berlin, August 2022, Talk - Jan Krause
Real-Time QKD Platform for Quantum-Secure Telecom Infrastructures,
Fraunhofer Quantum Doc Forum 2022, Suhl, July 2022, Talk - Nino Walenta
Aktuelle Entwicklungen zum Ausbau quantensicherer Breitband-Öko-systeme für Behördenkommunikation und kritische Infrastrukturen,
16. ITG Fachkonferenz "Breitbandversorgung in Deutschland", Berlin, Germany, June 2022, Talk
2020
- Nino Walenta
Towards a German Quantum Communication Infrastructure,
Berlin Quantum Technology Symposium, Berlin, Deutschland, October 2020, Invited Talk - Nino Walenta
Towards a German Quantum Communication Infrastructure,
Berlin Quantum Technology Symposium, Berlin, 2020, Talk
Books/Chapters
2022
- Nino Walenta, Jan Krause, Jonas Hilt, Stefan Weide, Nicolas Perlot, Ronald Freund
Quantum Communication Systems and Protocols,
In: Quantum Communication Systems and Protocols, Fraunhofer Verlag, Stuttgart, pp. 210-224, September 2022, Book Chapter
2020
- O. Benson, Tim Kroh, Chris Müller, Jasper Rödiger, Nicolas Perlot, Ronald Freund
Quantum Networks Based on Single Photons,
In: Semiconductor Nanophotonics, Springer Nature Switzerland AG, Switzerland, ISBN: 978-3-030-35655-2, vol. 194, pp. 361–390, March 2020, doi: 10.1007/978-3-030-35656-9_9, Book Chapter