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Journal Articles
- 2024
[j6]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: 27158-27166 (2024)- 2023
- [j5]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): 757-764 (2023) - 2020
- [j4]Christian Schmidt, Hiroshi Yamazaki, Gregory Raybon, Peter Schvan, Erwan Pincemin, S. J. Ben Yoo, Daniel J. Blumenthal, Takayuki Mizuno, Robert Elschner:
Data Converter Interleaving: Current Trends and Future Perspectives. IEEE Commun. Mag. 58(5): 19-25 (2020) - [j3]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): 41-47 (2020) - 2018
- [j2]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): 144-151 (2018) - 2010
- [j1]Robert Elschner, Christian-Alexander Bunge, Klaus Petermann:
System Impact of Cascaded All-Optical Wavelength Conversion of D(Q)PSK Signals in Transparent Optical Networks. J. Networks 5(2): 219-224 (2010)
Conference and Workshop Papers
- 2021
- [c45]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: 1-4 - [c44]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: 1-6 - [c43]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: 1-3 - 2020
- [c42]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: 1-4 - [c41]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: 1-3 - [c40]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: 1-3 - 2019
- [c39]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: 399-402 - [c38]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: 1-5 - [c37]Carlos Castro, Robert Elschner, Thomas Merkle, Colja Schubert:
Experimental Validation of Coherent DSP for Combined Fibre-Optical / Terahertz-Wireless Links. ISWCS 2019: 432-435 - [c36]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: 1-3 - [c35]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: 1-3 - [c34]Carlos Castro, Robert Elschner, Colja Schubert:
Analysis of Joint Impairment Mitigation in a Hybrid Optic-THz Transmission System. SPAWC 2019: 1-5 - 2018
- [c33]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: 1-3 - [c32]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: 1-3 - [c31]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: 1-3 - [c30]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: 1-3 - 2017
- [c29]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: 1-3 - [c28]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: 1-3 - [c27]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: 1-3 - [c26]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: 1-3 - [c25]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: 1-3 - 2016
- [c24]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: 1-3 - 2015
- [c23]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: 1-3 - [c22]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: 1-3 - [c21]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: 1-3 - [c20]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: 1-3 - [c19]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: 1-4 - [c18]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: 1-3 - [c17]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: 1-3 - [c16]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: 1-3 - [c15]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: 1-3 - 2014
- [c14]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: 1-3 - [c13]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: 1-3 - [c12]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: 1-3 - [c11]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: 1-3 - [c10]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: 1-3 - [c9]Isaac Sackey, Francesco Da Ros, Thomas Richter, Robert Elschner, Mahmoud Jazayerifar, Christian Meuer, Christophe Peucheret, Klaus Petermann, Colja Schubert:
Design and performance evaluation of an OPC device using a dual-pump polarization-independent FOPA. ECOC 2014: 1-3 - [c8]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: 1-3 - [c7]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: 1-3 - [c6]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: 1-3 - [c5]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: 1-3 - [c4]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: 1-3 - 2013
- [c3]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: 1-3 - [c2]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: 1-3 - [c1]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: 1-3
Informal and Other Publications
- 2021
- [i3]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 abs/2105.09840 (2021) - 2018
- [i2]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 abs/1803.09060 (2018) - [i1]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 abs/1810.12260 (2018)
Coauthor Index
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