Colja Schubert

Publication Activity (10 Years)

Years Active: 2005-2024
Publications (10 Years): 49

Top Topics

Wavelength Division Multiplexing

Top Venues

Publications

Milan Deumer, Oliver Stiewe, Simon Nellen, Sebastian Lauck, Steffen Breuer, Robert B. Kohlhaas, Colja Schubert, Robert Elschner, Ronald Freund, Martin Schell
Optoelectronic Heterodyne THz Receiver for 100-300 GHz Communication Links. IEEE Access 12 (2024)
Cristian Antonelli, Antonio Mecozzi, Andrea Marotta, Fabio Graziosi, Giammarco Di Sciullo, Domenico Ribezzo, Mikael Mazur, Nicolas K. Fontaine, Lauren Dallachiesa, Roland Ryf, Ruben S. Luis, Benjamin J. Puttnam, Hideaki Furukawa, Georg Rademacher, Robert Emmerich, Colja Schubert, Tetsuya Hayashi, Tetsuya Nakanishi, Takuji Nagashima, Pierre Sillard, Davide Bacco, Alessandro Zavatta, Mujtaba Zahidy, Leif K. Oxenløwe, Martina Cappelletti, Luca Palmieri, Paola Parolari, Alberto Gatto, Pierpaolo Boffi, Nicola Sambo, Andrea Carena, Antonino Nespola
Field Transmission Performance of Multi-core and Few-Mode Fibers. OFC (2024)
Alberto Gatto, Paola Parolari, Ruben S. Luis, Georg Rademacher, Benjamin J. Puttnam, Robert Emmerich, Colja Schubert, Giuseppe Ferri, Frank Achten, Pierre Sillard, Paolo Martelli, Giammarco Di Sciullo, Fabio Graziosi, Andrea Marotta, Antonio Mecozzi, Cristian Antonelli, Pierpaolo Boffi
Partial MIMO-based Mode Division Multiplexing Transmission over the First Field-Deployed 15-Mode Fiber in Metro Scenario. OFC (2023)
Hidenobu Muranaka, Tomoyuki Kato, Shun Okada, Tokuharu Kimura, Yu Tanaka, Tsuyoshi Yamamoto, Isaac Sackey, Gregor Ronniger, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Takeshi Hoshida
Design and Characterization of Dispersion-Tailored Silicon Strip Waveguides toward Wideband Wavelength Conversion. IEICE Trans. Electron. 106 (11) (2023)
Ruben S. Luis, Giammarco Di Sciullo, Georg Rademacher, Benjamin J. Puttnam, Andrea Marotta, Robert Emmerich, Nicolas Braig-Christophersen, Ralf Stolte, Fabio Graziosi, Antonio Mecozzi, Colja Schubert, Tetsuya Hayashi, Takuji Nagashima, Cristian Antonelli, Hideaki Furukawa
Colorless and Directionless ROADM for Meshed Coupled-Core Multicore Fiber Networks. OFC (2023)
Guillermo von Hünefeld, Gregor Ronniger, Enes Seker, Rijil Thomas, Pooyan Safari, Isaac Sackey, Md Mahasin Khan, Stephan Suckow, Max Lemme, David Stahl, Colja Schubert, Johannes Karl Fischer, Ronald Freund
Experimental Demonstration of Optical Modulation Format Identification Using SOI-based Photonic Reservoir. OFC (2023)
Tasnad Kernetzky, Norbert Hanik, Yizhao Jia, Ulrike Höfler, Ronald Freund, Colja Schubert, Isaac Sackey, Gregor Ronniger, Lars Zimmermann
Optimization of Ultra-Broadband Optical Wavelength Conversion in Nonlinear Multi-Modal Silicon-On-Insulator Waveguides. ICTON (2023)
Paola Parolari, Alberto Gatto, Ruben S. Luis, Georg Rademacher, Benjamin J. Puttnam, Robert Emmerich, Colja Schubert, Giuseppe Ferri, Frank Achten, Pierre Sillard, Paolo Martelli, Giammarco Di Sciullo, Fabio Graziosi, Andrea Marotta, Antonio Mecozzi, Cristian Antonelli, Pierpaolo Boffi
Demonstration of Multi-Hop Mode-Group Routing in a Field-Deployed Multi-Mode Fiber Network. OFC (2023)
Norbert Hanik, Tasnad Kernetzky, Yizhao Jia, Ulrike Höfler, Ronald Freund, Colja Schubert, Isaac Sackey, Gregor Ronniger, Lars Zimmermann
Ultra-Broadband Optical Wavelength-Conversion using Nonlinear Multi-Modal Optical Waveguides. CSNDSP (2022)
Hidenobu Muranaka, Tomoyuki Kato, Shun Okada, Tokuharu Kimura, Yu Tanaka, Tsuyoshi Yamamoto, Isaac Sackey, Gregor Ronniger, Carsten Schmidt-Langhorst, Colja Schubert, Takeshi Hoshida
Characterization of Dispersion-Tailored Silicon Strip Waveguide for Wideband Wavelength Conversion. OECC/PSC (2022)
Robert Emmerich, Matheus Sena, Robert Elschner, Carsten Schmidt-Langhorst, Isaac Sackey, Colja Schubert, Ronald Freund
Enabling S-C-L-Band Systems with Standard C-Band Modulator and Coherent Receiver using Nonlinear Predistortion. OFC (2021)
Rebekka Schulz, Onur Günlü, Robert Elschner, Rafael F. Schaefer, Carsten Schmidt-Langhorst, Colja Schubert, Robert F. H. Fischer
Semantic Security for Indoor THz-Wireless Communication. ISWCS (2021)
Gregor Ronniger, Isaac Sackey, Tasnad Kernetzky, Ulrike Höfler, Christian Mai, Colja Schubert, Norbert Hanik, Lars Zimmermann, Ronald Freund, Klaus Petermann
Efficient Ultra-Broadband C-to-O Band Converter Based on Multi-Mode Silicon-on-Insulator Waveguides. ECOC (2021)
Rebekka Schulz, Onur Günlü, Robert Elschner, Rafael F. Schaefer, Carsten Schmidt-Langhorst, Colja Schubert, Robert F. H. Fischer
Semantic Security for Indoor THz-Wireless Communication. CoRR (2021)
Isaac Sackey, Robert Elschner, Robert Emmerich, Carsten Schmidt-Langhorst, D. D. Groß, Georg Rademacher, Yoshinari Awaji, Hideaki Furukawa, Takemi Hasegawa, Colja Schubert, Ronald Freund
Performance Evaluation of an Interband All-Optical Wavelength Converter for Cost-Effective High-Capacity Optical Networks. ECOC (2021)
Gabriele di Rosa, Robert Emmerich, Matheus Sena, Johannes K. Fischer, Colja Schubert, André Richter
Impact of Wavelength-Dependent I/Q Imbalances of Standard C-Band Transceivers in Rate-Adaptive Multiband Systems. ECOC (2021)
Francesco Paolucci, Robert Emmerich, António Eira, Nelson Costa, João Pedro, Pablo Wilke Berenguer, Colja Schubert, Johannes K. Fischer, Francesco Fresi, Andrea Sgambelluri, Filippo Cugini
Disaggregated edge-enabled C+L-band filterless metro networks. JOCN 12 (3) (2020)
Carlos Castro, Robert Elschner, Thomas Merkle, Colja Schubert, Ronald Freund
100 Gb/s Real-Time Transmission over a THz Wireless Fiber Extender using a Digital-Coherent Optical Modem. OFC (2020)
Robert Emmerich, António Eira, Nelson Costa, Pablo Wilke Berenguer, Colja Schubert, Johannes Karl Fischer, João Pedro
Capacity Limits of C+L Metro Transport Networks Exploiting Dual-Band Node Architectures. OFC (2020)
Carlos Castro, Robert Elschner, Thomas Merkle, Colja Schubert, Ronald Freund
Experimental Demonstrations of High-Capacity THz-Wireless Transmission Systems for Beyond 5G. IEEE Commun. Mag. 58 (11) (2020)
Markus Nölle, M. Sezer Erkilinç, Robert Emmerich, Carsten Schmidt-Langhorst, Robert Elschner, Colja Schubert
Characterization and Linearization of High Bandwidth Integrated Optical Transmitter Modules. ECOC (2020)
M. Sezer Erkilinç, Robert Emmerich, Kai Habel, Volker Jungnickel, Carsten Schmidt-Langhorst, Colja Schubert, Ronald Freund
PON transceiver technologies for ≥50 Gbits/s per λ: Alamouti coding and heterodyne detection [Invited]. JOCN 12 (2) (2020)
Francisco Rodrigues, Ricardo Ferreira, Carlos Castro, Robert Elschner, Thomas Merkle, Colja Schubert, António Luis Jesus Teixeira
Hybrid fiber-optical/THz-wireless link transmission using low-cost IM/DD optics. OFC (2020)
Isaac Sackey, Carsten Schmidt-Langhorst, Colja Schubert, Johannes Karl Fischer, Ronald Freund
Experimental Comparison of Fiber Nonlinearity Mitigation: Intra-Modal FWM versus Inter-Modal FWM. OFC (2020)
Gilda Raoof Mehrpoor, Carsten Schmidt-Langhorst, Benjamin Wohlfeil, Robert Elschner, Danish Rafique, Robert Emmerich, Annika Dochhan, Iria Garcia Lopez, Pedro Rito, Despoina Petousi, Dietmar Kissinger, Lars Zimmermann, Colja Schubert, Bernhard Schmauss, Michael Eiselt, Jörg-Peter Elbers
64-GBd DP-Bipolar-8ASK Transmission Over 120 km SSMF Employing a Monolithically Integrated Driver and MZM in 0.25-μm SiGe BiCMOS Technology. OFC (2019)
Carlos Castro, Robert Elschner, Colja Schubert
Analysis of Joint Impairment Mitigation in a Hybrid Optic-THz Transmission System. SPAWC (2019)
Carlos Castro, Robert Elschner, José Machado, Thomas Merkle, Colja Schubert, Ronald Freund
Ethernet Transmission over a 100 Gb/s Real-Time Terahertz Wireless Link. GLOBECOM Workshops (2019)
Carlos Castro, Simon Nellen, Robert Elschner, Isaac Sackey, Robert Emmerich, Thomas Merkle, Björn Globisch, David de Felipe, Colja Schubert
32 GBd 16QAM Wireless Transmission in the 300 GHz Band using a PIN Diode for THz Upconversion. OFC (2019)
M. Sezer Erkilinc, Domaniç Lavery, Polina Bayvel, Robert I. Killey, Seb J. Savory, Colja Schubert
Coherent ONU Designs for 50 Gb/s/λ PON. OFC (2019)
Carlos Castro, Robert Elschner, Thomas Merkle, Colja Schubert
Experimental Validation of Coherent DSP for Combined Fibre-Optical / Terahertz-Wireless Links. ISWCS (2019)
Francesco Paolucci, Andrea Sgambelluri, Robert Emmerich, Alessio Giorgetti, Piero Castoldi, Colja Schubert, Johannes Karl Fischer, Filippo Cugini
OpenConfig Control of 100G/400G Filterless Metro Networks with configurable Modulation Format and FEC. OFC (2019)
Carlos Castro, Robert Elschner, Thomas Merkle, Colja Schubert
100 Gbit/s Terahertz-Wireless Real-Time Transmission Using a Broadband Digital-Coherent Modem. 5G World Forum (2019)
Alexandros-Apostolos A. Boulogeorgos, Angeliki Alexiou, Thomas Merkle, Colja Schubert, Robert Elschner, Alexandros Katsiotis, Panagiotis Stavrianos, Dimitrios Kritharidis, Panteleimon-Konstantinos Chartsias, Joonas Kokkoniemi, Markku J. Juntti, Janne J. Lehtomäki, António L. J. Teixeira, Francisco Rodrigues
Terahertz Technologies to Deliver Optical Network Quality of Experience in Wireless Systems Beyond 5G. IEEE Commun. Mag. 56 (6) (2018)
Tomoyuki Kato, Shigeki Watanabe, Takahito Tanimura, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Takeshi Hoshida
Fiber-Optic Frequency Shifting of THz-Range WDM Signal Using Orthogonal Pump-Signal Polarization Configuration. OFC (2018)
Isaac Sackey, Carsten Schmidt-Langhorst, Robert Emmerich, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Takeshi Hoshida, Colja Schubert
Distributed Aggregation and Reception of a 400-Gb/s Net Rate Superchannel in a Single-Photodiode 110-GHz Kramers-Kronig Receiver. OFC (2018)
Francesco Paolucci, Robert Emmerich, Francesco Fresi, Isaac Sackey, Luca Potì, Colja Schubert, Johannes K. Fischer, Filippo Cugini
Filterless Optical WDM Metro Networks Exploiting C+L Band. ECOC (2018)
Alexandros-Apostolos A. Boulogeorgos, Angeliki Alexiou, Dimitrios Kritharidis, Alexandros Katsiotis, Georgia D. Ntouni, Joonas Kokkoniemi, Janne J. Lehtomäki, Markku J. Juntti, Dessy Yankova, Ahmed Mokhtar, Jean-Charles Point, José Machado, Robert Elschner, Colja Schubert, Thomas Merkle, Ricardo Ferreira, Francisco Rodrigues, José Lima
Wireless Terahertz System Architectures for Networks Beyond 5G. CoRR (2018)
Tomoyuki Kato, Shigeki Watanabe, Takahito Tanimura, Carsten Schmidt-Langhorst, Isaac Sackey, Robert Elschner, Colja Schubert, Takeshi Hoshida
Any-to-Any Signal Frequency Shifting Across Entire C-Band Using Continuously Tuneable Optical Frequency Shifter. ECOC (2018)
Robert Elschner, Robert Emmerich, Carsten Schmidt-Langhorst, Felix Frey, Pablo Wilke Berenguer, Johannes K. Fischer, Helmut Grießer, Danish Rafique, Jörg-Peter Elbers, Colja Schubert
Improving Achievable Information Rates of 64-GBd PDM-64QAM by Nonlinear Transmitter Predistortion. OFC (2018)
Felix Frey, Robert Emmerich, Colja Schubert, Johannes K. Fischer, Robert F. H. Fischer
Improved Perturbation-Based Fiber Nonlinearity Compensation. ECOC (2018)
Alexandros-Apostolos A. Boulogeorgos, Angeliki Alexiou, Thomas Merkle, Colja Schubert, Robert Elschner, Alexandros Katsiotis, Panagiotis Stavrianos, Dimitrios Kritharidis, Panteleimon-Konstantinos Chartsias, Joonas Kokkoniemi, Markku J. Juntti, Janne J. Lehtomäki, António L. J. Teixeira, Francisco Rodrigues
Terahertz Technologies to Deliver Optical Network Quality of Experience in Wireless Systems Beyond 5G. CoRR (2018)
Robert Emmerich, Robert Elschner, Carsten Schmidt-Langhorst, Gijs van Elzakker, Jan Hoffmann, Andreas Umbach, Colja Schubert
Colorless C-band WDM system enabled by coherent reception of 56-GBd PDM-16QAM using an high-bandwidth ICR with TIAs. OFC (2017)
Moritz Baier, Francisco M. Soares, Zhennan Zheng, Carsten Schmidt-Langhorst, Robert Elschner, Felix Frey, Marko Gruner, Johannes Karl Fischer, Colja Schubert, Martin Moehrle, Norbert Grote, Martin Schell
112 Gb/s PDM-PAM4 Generation and 80 km Transmission Using a Novel Monolithically Integrated Dual-Polarization Electro-Absorption Modulator InP PIC. ECOC (2017)
Carsten Schmidt-Langhorst, Isaac Sackey, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Takeshi Hoshida, Colja Schubert
Fiber Nonlinearity Mitigation in 800-km Transmission of a 1.6-Tb/s Superchannel Using Waveband-Shift-Free Optical Phase Conjugation. ECOC (2017)
Isaac Sackey, Robert Elschner, Carsten Schmidt-Langhorst, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Takeshi Hoshida, Colja Schubert
Novel wavelength-shift-free optical phase conjugator used for fiber nonlinearity mitigation in 200-Gb/s PDM-16QAM transmission. OFC (2017)
Felix Frey, Lutz Molle, Robert Emmerich, Colja Schubert, Johannes K. Fischer, Robert F. H. Fischer
Single-step Perturbation-based Nonlinearity Compensation of Intra- and Inter-Subcarrier Nonlinear Interference. ECOC (2017)
Tomoyuki Kato, Shigeki Watanabe, Takahito Tanimura, Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Takeshi Hoshida
Continuously tunable optical frequency shift of 1.6-Tb/s superchannel up to THz-range by polarization switched frequency conversion. OFC (2017)
Tomoyuki Kato, Takahito Tanimura, Takeshi Hoshida, Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Shigeki Watanabe
In-line optical signal multiplexing by polarization-insensitive fiber frequency conversion. OFC (2016)
H. Schmeckebier, A. Zeghuzi, D. Arsenijevic, M. Stubenrauch, Christian Meuer, Colja Schubert, C. A. Bunge, Dieter Bimberg
40 GBd D(Q)PSK and OOK amplification using o-band quantum-dot semiconductor optical amplifiers. ICTON (2016)
Z. Liu, Z. Li, Y. Chen, B. Kelly, Richard Phelan, John O'Carroll, J. P. Wooler, Natalie V. Wheeler, A. M. Heidt, Thomas Richter, Colja Schubert, M. Becker, Francesco Poletti, Marco N. Petrovich, S. Alam, David J. Richardson, Radan Slavík
52.6 Gbit/s single-channel directly-modulated optical transmitter for 2-µm spectral region. OFC (2015)
Tomoyuki Kato, Takahito Tanimura, Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Colja Schubert, Shigeki Watanabe
Broadband coherent-optical add/drop multiplexing over 400-GHz bandwidth by fiber frequency conversion. OFC (2015)
Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
Spatially distributed aggregation of a polarization-division multiplexed superchannel by frequency conversion in fiber. ECOC (2015)
H. Schmeckebier, B. Lingnau, S. Koenig, K. Ludge, Christian Meuer, A. Zeghuzi, D. Arsenijevic, M. Stubenrauch, Rene Bonk, Christian Koos, Colja Schubert, Thomas Pfeiffer, Dieter Bimberg
Ultra-broadband bidirectional dual-band ouantum-dot semiconductor optical amplifier. OFC (2015)
Carsten Schmidt-Langhorst, Thomas Richter, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
Versatile coherent in-line 4-, 16-, 32-QAM subcarrier add/drop-multiplexing by optical frequency conversion. OFC (2015)
B. Gomez Saavedra, N. Wolf, Lei Yan, Christian Meuer, Jung Han Choi, Karl-Otto Velthaus, Marko Gruner, Colja Schubert, Heinz-Gunter Bach, Martin Schell
First 105 Gb/s low power, small footprint PAM-8 impedance-engineered TOSA with InP MZ-modulator and customized driver IC using predistortion. OFC (2015)
Kai Habel, Luz Fernandez del Rosal, Stefan Weide, Jonas Hilt, Volker Jungnickel, Robert Elschner, Colja Schubert, Felix Frey, Johannes Karl Fischer, Ronald Freund
5 Gbit/s real-time processing using π/4-shift DQPSK for bidirectional radio-over-fibre system. ICTON (2015)
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Lutz Molle, Saleem Alreesh, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Johannes Karl Fischer, Colja Schubert
Distributed 1-Tb/s all-optical aggregation capacity in 125-GHz optical bandwidth by frequency conversion in fiber. ECOC (2015)
Patricia Layec, Annachiara Dupas, Markus Nölle, Johannes Karl Fischer, Colja Schubert, Josep M. Fabrega, Michela Svaluto Moreolo, Nicola Sambo, Gianluca Meloni, Francesco Fresi, Antonio Napoli, Danish Rafique, Marc Bohn, Antonio D'Errico, Talha Rahman, Emilio Hugues-Salas, Yan Yan, Shuangyi Yan, Georgios Zervas, Dimitra Simeonidou, Alexandros A. Stavdas, Chris Matrakidis, Theofanis Orphanoudakis
IDEALIST data plane solutions for elastic optical networks. EuCNC (2015)
Zhixin Liu, Thomas Richter, Colja Schubert, David J. Richardson, Radan Slavík
Practical considerations on discrete multi-tone transmission for cost-effective access networks. OFC (2015)
Carsten Schmidt-Langhorst, Robert Elschner, Felix Frey, Robert Emmerich, Colja Schubert
Experimental analysis of nonlinear interference noise in heterogeneous flex-grid WDM transmission. ECOC (2015)
Markus Nolle, Felix Frey, Robert Elschner, Carsten Schmidt-Langhorst, Johannes K. Fischer, Colja Schubert
Investigation of CAZAC sequences for data-aided channel estimation considering nonlinear optical transmission. OFC (2015)
Isaac Sackey, Mahmoud Jazayerifar, Robert Elschner, Thomas Richter, Christian Meuer, Klaus Petermann, Colja Schubert
Non-reciprocal gain due to counter-propagating pumps in a polarization-independent FOPA with diversity loop. ECOC (2015)
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
Generation of ultra-dense superchannels using frequency conversion in optical fibers. OFC (2015)
Tobias A. Eriksson, Saleem Alreesh, Carsten Schmidt-Langhorst, Felix Frey, Pablo Wilke Berenguer, Colja Schubert, Johannes K. Fischer, Peter A. Andrekson, Magnus Karlsson, Erik Agrell
Experimental investigation of a four-dimensional 256-ary lattice-based modulation format. OFC (2015)
Pablo Wilke Berenguer, Talha Rahman, Antonio Napoli, Markus Nolle, Colja Schubert, Johannes Karl Fischer
Nonlinear digital pre-distortion of transmitter components. ECOC (2015)
Johannes Karl Fischer, Carsten Schmidt-Langhorst, Saleem Alreesh, Robert Elschner, Felix Frey, Pablo Wilke Berenguer, Lutz Molle, Markus Nolle, Colja Schubert
Transmission of 512SP-QAM Nyquist-WDM signals. ECOC (2014)
Markus Nölle, Felix Frey, Robert Elschner, Carsten Schmidt-Langhorst, Antonio Napoli, Colja Schubert
Performance comparison of different 8QAM constellations for the use in flexible optical networks. OFC (2014)
Francesco Da Ros, Isaac Sackey, Robert Elschner, Thomas Richter, Christian Meuer, M. Nolle, Mahmoud Jazayerifar, Klaus Petermann, Christophe Peucheret, Colja Schubert
Kerr nonlinearity compensation in a 5×28-GBd PDM 16-QAM WDM system using fiber-based optical phase conjugation. ECOC (2014)
Isaac Sackey, Robert Elschner, Markus Nölle, Thomas Richter, Lutz Molle, Christian Meuer, Mahmoud Jazayerifar, Stefan Warm, Klaus Petermann, Colja Schubert
Characterization of a fiber-optical parametric amplifier in a 5 × 28-GBd 16-QAM DWDM system. OFC (2014)
Felix Frey, Robert Elschner, Christoph Kottke, Colja Schubert, Johannes K. Fischer
Efficient real-time implementation of a channelizer filter with a weighted overlap-add approach. ECOC (2014)
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
Tolerances for add/drop operation of a coherent multiplexing node based on fiber frequency conversion. ECOC (2014)
Takahito Tanimura, Tomoyuki Kato, Ryo Okabe, Shoichiro Oda, Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Jens C. Rasmussen, Shigeki Watanabe
Coherent reception and 126 GHz bandwidth digital signal processing of CO-OFDM superchannel generated by fiber frequency conversion. OFC (2014)
Rahman Nouroozi, Hubertus Suche, Hao Hu, Thomas Richter, A. Babazadeh, Colja Schubert, Wolfgang Sohler
Efficient ultra-fast all-optical wavelength converters with Ti: PPLN waveguides. ICTON (2014)
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
Coherent in-line substitution of OFDM subcarriers using fiber-frequency conversion and free-running lasers. OFC (2014)
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Tomoyuki Kato, Shigeki Watanabe, Colja Schubert
Distributed generation of a 400-Gb/s Nyquist 16QAM dense superchannel by fiber-frequency conversion. OFC (2014)
Mahmoud Jazayerifar, Isaac Sackey, Robert Elschner, Stefan Warm, Christian Meuer, Colja Schubert, Klaus Petermann
Impact of SBS on polarization-insensitive single-pump optical parametric amplifiers based on a diversity loop scheme. ECOC (2014)
Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Tomoyuki Kato, Shigeki Watanabe, Colja Schubert
Narrow guard-band distributed Nyquist-WDM using fiber frequency conversion. OFC/NFOEC (2013)
Isaac Sackey, Thomas Richter, Christian Meuer, Robert Elschner, Mahmoud Jazayerifar, Klaus Petermann, Colja Schubert
Characterization of polarization insensitive FOPA using a polarization-maintaining highly non-linear fiber. OFC/NFOEC (2013)
Marc Bohn, Antonio Napoli, Antonio D'Errico, Giuseppe Ferraris, Matthias Gunkel, Felipe Jiménez, Juan Pedro Fernández-Palacios, Patricia Layec, George Zervas, Norberto Amaya Gonzalez, Dimitra Simeonidou, Johannes Karl Fischer, Markus Nölle, Colja Schubert, Nicola Sambo, Filippo Cugini, Piero Castoldi, Michela Svaluto Moreolo, Josep M. Fabrega, Chigo Okonkwo, Huug de Waardt
Elastic optical networks: The vision of the ICT project IDEALIST. Future Network & Mobile Summit (2013)
Mads L. Nielsen, Lutz Molle, Thomas Richter, Colja Schubert
Feasibility study of SOA-preamplified coherent reception for 112 Gb/s DP-QPSK unamplified link. OFC/NFOEC (2013)
Rainer H. Derksen, Urban Westergren, Marek Chacinski, Colja Schubert, Heinz-Gunter Bach, Rachid Driad, Volker Hurm, Robert E. Makon, Jie Li, Andreas G. Steffan
Cost-efficient high-speed components for 100 gigabit ethernet transmission on one wavelength only: results of the HECTO project. IEEE Commun. Mag. 51 (5) (2013)
Takahito Tanimura, Saleem Alreesh, Johannes Karl Fischer, Carsten Schmidt-Langhorst, Felix Frey, Christian Meuer, Robert Elschner, Lutz Molle, Colja Schubert
Nonlinear transmission of 6PolSK-QPSK signals using coded modulation and digital back propagation. OFC/NFOEC (2013)
Johannes Karl Fischer, Markus Nölle, Lutz Molle, Carsten Schmidt-Langhorst, Jonas Hilt, Reinhold Ludwig, Colja Schubert
Beyond 100G - high-capacity transport technologies for next generation optical core networks. Future Network & Mobile Summit (2012)
Sebastian Ferber, Carsten Schmidt-Langhorst, Reinhold Ludwig, Christof Boerner, Colja Schubert, Vincent Marembert, Marcel Kroh, Hans-Georg Weber
160 Gbit/s OTDM Long-Haul Transmission with Long-Term Stability Using RZ-DPSK Modulation Format. IEICE Trans. Commun. (5) (2005)