Yanjie Xu - IEEE Xplore Author Profile

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Author details

Yanjie Xu

Publications

9

Citations

18

Publications by Year

20212024

Co-Authors:

Shan AnGuangfu CheJin ChenHui ChenKai Fu

Show All Co-Authors (26)

Yanjie Xu

Affiliation

College of Electronic Science and Technology, National University of Defense Technology, China

Publication Topics

Synthetic Aperture Radar,
Synthetic Aperture Radar Images,
Automatic Target Recognition,
Deep Neural Network,
Catastrophic Forgetting,
Convolutional Neural Network,
Deep Neural Network Model,
Incremental Learning,
Training Data,
Adversarial Attacks,
Adversarial Examples,
Base Classes

Biography

Yanjie Xu received the B.S. and M.S. degrees in information and communication engineering, in 2018 and 2021, respectively, from the National University of Defense Technology, Changsha, China, where he is currently working toward the Ph.D. degree in information and communication engineering with the State Key Laboratory of Complex Electromagnetic Environment Effects.,His research interests include SAR ATR, incremental learning, and deep learning.(Based on document published on 9 July 2024).

Publications

9

Citations

18

Publications by Year

20212024

Co-Authors:

Shan An
Guangfu Che
Jin Chen
Hui Chen
Kai Fu

Show All Co-Authors (26)

Author's Published Works

Search History

Showing 1-25 of 201 results

Conferences (152)

Journals (49)

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Single Year
Martin Schell(115)
M. Schell(86)
Robert B. Kohlhaas(32)
Patrick Runge(30)
Lars Liebermeister(29)
Fraunhofer Heinrich Hertz Institute, Berlin, Germany(37)
Fraunhofer Heinrich-Hertz-Institute, Berlin, Germany(25)
Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany(19)
Technical University Berlin, Berlin, Germany(9)
Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institute, Berlin, Germany(8)
Journal of Lightwave Technology(21)
IEEE Photonics Technology Letters(11)
IEEE Journal of Quantum Electronics(8)
2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)(6)
2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)(5)
IEEE(201)
San Diego, CA, USA(11)
Los Angeles, CA, USA(8)
San Jose, CA, USA(8)
Rome, Italy(7)
Montreal, QC, Canada(6)
Photonic Integrated Circuits(48)
Optical Power(43)
Mach-Zehnder Modulator(36)
Optical Amplifier(27)
Output Power(27)

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Results

Experimental Characterization of a WR3-Coupled Photodiode Transmitter for High-Speed Terahertz Wireless Communication

In-Ho Baek;Oliver Stiewe;Jonas Gläsel;Metin Furkan Ulukan;Alexander Schindler;Felix Ganzer;Trung T. Tran;Robert Elschner;Colja Schubert;Patrick Runge;Martin Schell;Ronald Freund

2024 International Topical Meeting on Microwave Photonics (MWP)

Year: 2024 | Conference Paper |

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We analyze the system performance of a large bandwidth photonic THz transmitter based on a WR3 coupled photodiode. Employing probabilistic constellation shaping (PCS) alongside a 64-QAM base constellation, we achieve net data rates of up to 76.8 Gbit/s at 32 GBd. The system's performance is evaluated across various symbol rates and shaping entropies, with bit-error rates (BER) analyzed in relation...Show More

Experimental Characterization of a WR3-Coupled Photodiode Transmitter for High-Speed Terahertz Wireless Communication

In-Ho Baek;Oliver Stiewe;Jonas Gläsel;Metin Furkan Ulukan;Alexander Schindler;Felix Ganzer;Trung T. Tran;Robert Elschner;Colja Schubert;Patrick Runge;Martin Schell;Ronald Freund

2024 International Topical Meeting on Microwave Photonics (MWP)

Year: 2024 | Conference Paper |

Fiber-coupled terahertz time-domain spectrometer with 10 THz bandwidth

Alexander Dohms;Shahram Keyvaninia;Steffen Breuer;Milan Deumer;Tina Hesselmann;Marko Gruner;Lars Liebermeister;Martin Schell;Robert B. Kohlhaas

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

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We present a fiber-coupled terahertz (THz) time-domain spectrometer with InGaAs photoconductive membranes (PCM) antennas on silicon as emitter and receiver. With these novel antennas we achieve a very high peak dynamic range of 115 dB and a record bandwidth of 10 THz. This represents an increase of 3.5 THz compared to state-of-the art photoconductive antennas (PCAs), which are restricted by THz ab...Show More

Fiber-coupled terahertz time-domain spectrometer with 10 THz bandwidth

Alexander Dohms;Shahram Keyvaninia;Steffen Breuer;Milan Deumer;Tina Hesselmann;Marko Gruner;Lars Liebermeister;Martin Schell;Robert B. Kohlhaas

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

Photonic Integrated Continuous Wave Terahertz Spectrometer with 90 dB Dynamic Range and 4 THz Bandwidth

Lauri Schwenson;Lars Liebermeister;Florian Walter;Simon Nellen;Martin Schell;Robert B. Kohlhaas

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

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We present the first photonic integrated terahertz spectrometer that is able to cover the tuning bandwidth of state-of-the-art continuous wave (cw) terahertz (THz) antennas. The dedicated photonic integrated circuit (PIC) based on two widely tunable sampled grating DBR (SG-DBR) lasers allows for the generation of up to 5 THz optical difference frequency for THz spectroscopy. With an integrated pha...Show More

Photonic Integrated Continuous Wave Terahertz Spectrometer with 90 dB Dynamic Range and 4 THz Bandwidth

Lauri Schwenson;Lars Liebermeister;Florian Walter;Simon Nellen;Martin Schell;Robert B. Kohlhaas

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

Waveguide-Integrated Photoconductive Receiver for THz Wireless Links

Milan Deumer;Oliver Stiewe;Shahram Keyvaninia;Steffen Breuer;Simon Nellen;Lars Liebermeister;Robert Elschner;Ronald Freund;Martin Schell;Robert B. Kohlhaas

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

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We present a novel waveguide-integrated photoconductive antenna as heterodyne receiver for THz wireless links. The receiver features 20 dB higher conversion gain and 4 GHz higher IF bandwidth compared to the best top-illuminated photoconductive heterodyne receiver demonstrated so far. With this detector, we are able to extend the current data rate records for full photonic THz links by a factor of...Show More

Waveguide-Integrated Photoconductive Receiver for THz Wireless Links

Milan Deumer;Oliver Stiewe;Shahram Keyvaninia;Steffen Breuer;Simon Nellen;Lars Liebermeister;Robert Elschner;Ronald Freund;Martin Schell;Robert B. Kohlhaas

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

Extending the Bandwidth of Photodiode-based Continuous-Wave Emitters to 5.5 THz

Simon Nellen;Sebastian Lauck;Milan Deumer;Shahram Keyvaninia;Martin Schell;Robert B. Kohlhaas

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

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Optoelectronic continuous-wave THz generation by photomixing is an established tool for table-top spectrometers inside and outside of scientific laboratories. We present newly developed emitters based on ultrafast PIN photodiodes featuring 3 dB overall increased output power. At frequencies beyond 3 THz, the output power is up to >18 dB higher due to the reduced substrate thickness, i.e., internal...Show More

Extending the Bandwidth of Photodiode-based Continuous-Wave Emitters to 5.5 THz

Simon Nellen;Sebastian Lauck;Milan Deumer;Shahram Keyvaninia;Martin Schell;Robert B. Kohlhaas

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

Sparse cw-THz Spectroscopy at 1 kHz Measurement Rate

Konstantin Wenzel;Lauri Schwenson;Florian Walter;Martin Schell;Robert B. Kohlhaas;Lars Liebermeister

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

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We present sparse sensing with only four terahertz (THz) frequencies enabling fast THz measurement at 1 kHz measurement rate. This is based on a novel method for amplitude and phase determination in homodyne terahertz (THz) spectrometers. Our technique utilizes direct frequency modulation of a distributed feedback laser to precisely measure phase without the need for moving parts or additional pha...Show More

Sparse cw-THz Spectroscopy at 1 kHz Measurement Rate

Konstantin Wenzel;Lauri Schwenson;Florian Walter;Martin Schell;Robert B. Kohlhaas;Lars Liebermeister

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2024 | Conference Paper |

Fiber-Coupled THz TDS System With mW-Level THz Power and up to 137-dB Dynamic Range

Alexander Dohms;Nico Vieweg;Steffen Breuer;Tina Heßelmann;Robert Herda;Nadja Regner;Shahram Keyvaninia;Marko Gruner;Lars Liebermeister;Martin Schell;Robert B. Kohlhaas

IEEE Transactions on Terahertz Science and Technology

Year: 2024 | Volume: 14, Issue: 6 | Journal Article |

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Terahertz (THz) time-domain spectroscopy (TDS) offers considerable potential for a wide range of industrial applications, including thickness determination and defect identification through imaging. Fiber-coupled THz TDS systems are particularly promising due to their flexible and robust operation in a variety of environments. However, increasing the THz power of these systems remains a critical c...Show More

Fiber-Coupled THz TDS System With mW-Level THz Power and up to 137-dB Dynamic Range

Alexander Dohms;Nico Vieweg;Steffen Breuer;Tina Heßelmann;Robert Herda;Nadja Regner;Shahram Keyvaninia;Marko Gruner;Lars Liebermeister;Martin Schell;Robert B. Kohlhaas

IEEE Transactions on Terahertz Science and Technology

Year: 2024 | Volume: 14, Issue: 6 | Journal Article |

Minimizing Noise in Distributed Reflector Laser Types Under Optical Injection Locking

Arbnor Berisha;Hendrik Boerma;Ronald Kaiser;Patrick Runge;Martin Schell

IEEE Journal of Quantum Electronics

Year: 2024 | Volume: 60, Issue: 4 | Journal Article |

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Complex coupled distributed feedback (DFB) lasers and sampled grating distributed Bragg reflector (SGDBR) lasers under optical injection locking are investigated to determine lowest noise operation. A noise reduction (frequency and intensity combined) of up to 15 dB was measured utilizing detuned optical injection locking at the relaxation oscillation frequency. Furthermore, 4 dB improvement in fr...Show More

Minimizing Noise in Distributed Reflector Laser Types Under Optical Injection Locking

Arbnor Berisha;Hendrik Boerma;Ronald Kaiser;Patrick Runge;Martin Schell

IEEE Journal of Quantum Electronics

Year: 2024 | Volume: 60, Issue: 4 | Journal Article |

Design and Fabrication of Crossing-Free Waveguide Routing Networks Using a Multi-Layer Polymer-Based Photonic Integration Platform

Madeleine Weigel;Moritz Kleinert;Martin Kresse;David de Felipe;Hauke Conradi;Jakob Reck;Klara Mihov;Tianwen Qian;Crispin Zawadzki;Anja Scheu;Norbert Keil;Martin Schell

Journal of Lightwave Technology

Year: 2024 | Volume: 42, Issue: 5 | Journal Article |

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A novel 16×4 crossing-free waveguide routing network on four layers of polymer-based stacked waveguides is presented. The design combines in-plane passive waveguide devices with vertical multimode interference couplers (1×1 3D MMIs) to connect two adjacent waveguide layers. The 16×4 multilayer waveguide routing network (MWRN) is fabricated using multilayer deposition and standard UV contact lithog...Show More

Design and Fabrication of Crossing-Free Waveguide Routing Networks Using a Multi-Layer Polymer-Based Photonic Integration Platform

Madeleine Weigel;Moritz Kleinert;Martin Kresse;David de Felipe;Hauke Conradi;Jakob Reck;Klara Mihov;Tianwen Qian;Crispin Zawadzki;Anja Scheu;Norbert Keil;Martin Schell

Journal of Lightwave Technology

Year: 2024 | Volume: 42, Issue: 5 | Journal Article |

High-Speed Photodiodes for Power Efficient Data Transmission

Tobias Beckerwerth;Patrick Runge;Martin Schell

Journal of Lightwave Technology

Year: 2024 | Volume: 42, Issue: 3 | Journal Article |

Cited by: Papers (5)

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This article highlights recent developments in high-speed photodiodes and their role in efficient data transmission. Design considerations and state-of-the-art performances are presented for waveguide-integrated and vertically illuminated photodiodes. PIN, Uni-traveling carrier (UTC), and avalanche photodiodes (APD) are reviewed in terms of sensitivity and 3-dB bandwidth. Further, a metric for a p...Show More

High-Speed Photodiodes for Power Efficient Data Transmission

Tobias Beckerwerth;Patrick Runge;Martin Schell

Journal of Lightwave Technology

Year: 2024 | Volume: 42, Issue: 3 | Journal Article |

Sub-THz flexible interconnection technology based on polyimide transmission lines

Jung Han Choi;Jonas Gläsel;Martin Kresse;Patrick Runge;Martin Schell

2023 Asia-Pacific Microwave Conference (APMC)

Year: 2023 | Conference Paper |

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We present a novel flexible interconnection technology for sub-THz packaging applications. The interconnect consists of a 50 Ω-transmission line, fabricated on polyimide substrate with a single Au conductor layer. It also provides an under-bump-metallization (UBM) to enable flip-chip bonding. A transmission loss of less than 1.7 dB/mm and a reflection coefficient lower than -17 dB at 220 GHz have ...Show More

Sub-THz flexible interconnection technology based on polyimide transmission lines

Jung Han Choi;Jonas Gläsel;Martin Kresse;Patrick Runge;Martin Schell

2023 Asia-Pacific Microwave Conference (APMC)

Year: 2023 | Conference Paper |

Eight-channel SiNx microring-resonator based photonic biosensor for label-free fluid analysis in the optical C-band *

Jakob Reck;Moritz Kleinert;Klara Mihov;Martin Kresse;Cafercan Yilmaz;Christina Hoffmann;Peter Hoffmann;Vera Froese;Ulrich Kertzscher;Kristina Mykhailiuk;Julia Michaelis;Wilfried Weigel;Sören Scholand;Hans-Jürgen Heupke;Madeleine Weigel;David De Felipe;Tianwen Qian;Hauke Conradi;Crispin Zawadzki;Norbert Keil;Martin Schell

2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

Year: 2023 | Conference Paper |

Cited by: Papers (1)

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A lab-on-a-chip multichannel sensing platform for biomedical analysis based on optical silicon nitride (SiNx) microring-resonators (MRR) was established. The resonators were surface functionalized and finally combined with a microfluidic chamber for validation using an avidin-biotin ligand-binding assay. The results with a limit of detection (LOD) of 2.3∙10-5 and a mean intra-assay coefficient of ...Show More

Eight-channel SiNx microring-resonator based photonic biosensor for label-free fluid analysis in the optical C-band *

Jakob Reck;Moritz Kleinert;Klara Mihov;Martin Kresse;Cafercan Yilmaz;Christina Hoffmann;Peter Hoffmann;Vera Froese;Ulrich Kertzscher;Kristina Mykhailiuk;Julia Michaelis;Wilfried Weigel;Sören Scholand;Hans-Jürgen Heupke;Madeleine Weigel;David De Felipe;Tianwen Qian;Hauke Conradi;Crispin Zawadzki;Norbert Keil;Martin Schell

2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

Year: 2023 | Conference Paper |

10 THz Bandwidth with a Fiber-Coupled THz Time-Domain Spectrometer

Tina Heßelmann;Lars Liebermeister;Alexander Dohms;Steffen Breuer;Shahram Keyvaninia;Marko Gruner;Konstantin Wenzel;Martin Schell;Robert B. Kohlhaas

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

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Fiber-coupled terahertz (THz) time-domain spectrometers (TDS) are versatile tools that are used extensively in academia and industry. Here, we compare two different THz sources with the aim to reach the largest spectral bandwidth: A DSTMS crystal and a novel photoconductive membrane emitter. With both sources, we demonstrate record bandwidths around 10 THz. At the same time, the photoconductive em...Show More

10 THz Bandwidth with a Fiber-Coupled THz Time-Domain Spectrometer

Tina Heßelmann;Lars Liebermeister;Alexander Dohms;Steffen Breuer;Shahram Keyvaninia;Marko Gruner;Konstantin Wenzel;Martin Schell;Robert B. Kohlhaas

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

Photonic Integrated Phase Control for Continuous Wave Terahertz Spectroscopy

Lauri Schwenson;Simon Nellen;Lars Liebermeister;Milan Deumer;Sebastian Lauck;Martin Schell;Robert B. Kohlhaas

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

Cited by: Papers (1)

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We present the first photonic integrated phase control for continuous wave (cw) terahertz (THz) spectroscopy. The dedicated photonic integrated circuit (PIC) allows for amplitude and phase detection without the need of any moving parts like fiber stretchers or free space optics. Our experimental evaluation shows equal performance of the PIC compared to a state-of-the-art fiber-based system. Furthe...Show More

Photonic Integrated Phase Control for Continuous Wave Terahertz Spectroscopy

Lauri Schwenson;Simon Nellen;Lars Liebermeister;Milan Deumer;Sebastian Lauck;Martin Schell;Robert B. Kohlhaas

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

Photoconductive, continuous wave THz detectors based on rhodium doped InGaAs with 125 dB peak dynamic range

Milan Deumer;Shaffi Berrios;Steffen Breuer;Shahram Keyvaninia;Simon Nellen;Chris Phong Van Nguyen;Lars Liebermeister;Martin Schell;Robert B. Kohlhaas

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

Cited by: Papers (1)

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We present continuous-wave terahertz (cw THz) detectors with record high dynamic range of up to 125 dB at 0.12 THz, for the first time. These outstanding detectors are based on rhodium-doped InGaAs. In addition, the rhodium-doped detectors are compared with iron-doped detectors in terms of their electronic, dynamic and THz properties. Overall, the rhodium-doped devices show superior performance, w...Show More

Photoconductive, continuous wave THz detectors based on rhodium doped InGaAs with 125 dB peak dynamic range

Milan Deumer;Shaffi Berrios;Steffen Breuer;Shahram Keyvaninia;Simon Nellen;Chris Phong Van Nguyen;Lars Liebermeister;Martin Schell;Robert B. Kohlhaas

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

Electrical Properties of Thin Layers of III/V Semiconductors Obtained by Terahertz Reflectometry and Transmissometry

Konstantin Wenzel;Steffen Breuer;Robert B. Kohlhaas;Martin Schell;Lars Liebermeister

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

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We investigate indium gallium arsenide samples with various doping levels using terahertz (THz) time-domain reflectometry and transmissometry in the near- and far-field. The samples have been grown on indium phosphide substrates by molecular beam epitaxy under different growth conditions yielding a wide range of electrical properties including resistances from 101 to 106 Ohm/sq. We compare THz mea...Show More

Electrical Properties of Thin Layers of III/V Semiconductors Obtained by Terahertz Reflectometry and Transmissometry

Konstantin Wenzel;Steffen Breuer;Robert B. Kohlhaas;Martin Schell;Lars Liebermeister

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

Fiber-coupled THz transceiver based on rhodium-doped InGaAs with 6.5 THz bandwidth and up to 106 μW emitted THz power

Alexander Dohms;Steffen Breuer;Shahram Keyvaninia;Marko Gruner;Lars Liebermeister;Martin Schell;Robert B. Kohlhaas

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

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We present a fiber-coupled transceiver for terahertz (THz) time-domain spectroscopy in reflection geometry. The monolithically integrated transceiver is based on rhodium (Rh) doped In0.53Ga0.47As (InGaAs:Rh) grown by molecular beam epitaxy, combining emitter and receiver on the same photoconductive chip. A record THz power for transceivers of 106 μW, a maximum spectral bandwidth of 6.5 THz and a p...Show More

Fiber-coupled THz transceiver based on rhodium-doped InGaAs with 6.5 THz bandwidth and up to 106 μW emitted THz power

Alexander Dohms;Steffen Breuer;Shahram Keyvaninia;Marko Gruner;Lars Liebermeister;Martin Schell;Robert B. Kohlhaas

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

Purely Photonic Wireless Link at 120 GHz With a Photoconductive Antenna as Heterodyne Receiver

Milan Deumer;Lars Liebermeister;Oliver Stiewe;Simon Nellen;Robert B. Kohlhaas;Robert Elschner;Colja Schubert;Ronald Freund;Martin Schell

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

Cited by: Papers (1)

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Optoelectronic generation and detection of THz signals are well-established in THz-sensing. Beyond sensing, there is great potential for using these photonic devices for wireless communication at (sub-)terahertz carrier frequencies. While photodiode-based emitters are often used in broadband wireless links, receivers based on photoconductive antennas are rarely found due to their limited electrica...Show More

Purely Photonic Wireless Link at 120 GHz With a Photoconductive Antenna as Heterodyne Receiver

Milan Deumer;Lars Liebermeister;Oliver Stiewe;Simon Nellen;Robert B. Kohlhaas;Robert Elschner;Colja Schubert;Ronald Freund;Martin Schell

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Year: 2023 | Conference Paper |

Guard-ring free InGaAs/InP single photon avalanche diodes for C-band quantum communication

Pascal Rustige;Jan Krause;Lorenz Eckoldt;Patrick Runge;Martin Schell

2023 Optical Fiber Communications Conference and Exhibition (OFC)

Year: 2023 | Conference Paper |

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We present a guard-ring free InGaAs/InP single photon avalanche diode with 20 μm diameter for the optical C-band. At 225 K, 25.6 μs dead time and 17% detection efficiency, the dark count rate is 3 kcps with 0.5% afterpulsing probability. This corresponds to a quantum bit error rate of about 1.2% for 625 MHz timebin-phase BB84 QKD over 125 km.Show More

Guard-ring free InGaAs/InP single photon avalanche diodes for C-band quantum communication

Pascal Rustige;Jan Krause;Lorenz Eckoldt;Patrick Runge;Martin Schell

2023 Optical Fiber Communications Conference and Exhibition (OFC)

Year: 2023 | Conference Paper |

56 GBaud PAM-4 Direct Detection with High-Speed Avalanche Photodiodes

Tobias Beckerwerth;Christoph Kottke;Volker Jungnickel;Ute Tropenz;Martin Möhrle;Patrick Runge;Martin Schell

2023 Optical Fiber Communications Conference and Exhibition (OFC)

Year: 2023 | Conference Paper |

Cited by: Papers (1)

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We demonstrate 56 GBaud PAM-4 transmission by using a high-speed waveguide avalanche photodiode (WG APD) and an electro absorption modulated laser (EML). Compared to a PIN photodiode, the WG APD reduces the power budget in a B2B setup by 6 dB.Show More

56 GBaud PAM-4 Direct Detection with High-Speed Avalanche Photodiodes

Tobias Beckerwerth;Christoph Kottke;Volker Jungnickel;Ute Tropenz;Martin Möhrle;Patrick Runge;Martin Schell

2023 Optical Fiber Communications Conference and Exhibition (OFC)

Year: 2023 | Conference Paper |

4 x 200 Gb/s EML-Array with a Single MQW Layer Stack

M. Theurer;C. Kottke;R. Freund;F. Ganzer;P. Runge;M. Moehrle;U. Troppenz;A. Sigmund;M. Schell

2023 Optical Fiber Communications Conference and Exhibition (OFC)

Year: 2023 | Conference Paper |

Cited by: Papers (1)

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We demonstrate an EML-array for up to 4x200 Gb/s PAM4 modulation at 45°C. Its single MQW layer stack design allows for low-cost fabrication. The device is optimized for equal performance over four LAN-WDM wavelength channels.Show More

4 x 200 Gb/s EML-Array with a Single MQW Layer Stack

M. Theurer;C. Kottke;R. Freund;F. Ganzer;P. Runge;M. Moehrle;U. Troppenz;A. Sigmund;M. Schell

2023 Optical Fiber Communications Conference and Exhibition (OFC)

Year: 2023 | Conference Paper |

Microwave Photonic PS-Pulse and 140 GHz RF Comb Generator

Hendrik Boerma;Felix Ganzer;Patrick Runge;Martin Schell;Edgar Fernandes;Benjamin Rudin;Florian Emaury

Journal of Lightwave Technology

Year: 2023 | Volume: 41, Issue: 11 | Journal Article |

Cited by: Papers (3)

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A microwave photonic RF comb generator is presented by combining an fs-pulse laser and a high-speed broadband photodetector module. The subsystem generates pulses with a FWHM of 5.8 ps and a flat RF comb up to 140 GHz. Furthermore, the capability of pulse distribution over fiber is investigated. The dispersion of the single mode fiber is managed by using an optical bandpass filter, because reducin...Show More

Microwave Photonic PS-Pulse and 140 GHz RF Comb Generator

Hendrik Boerma;Felix Ganzer;Patrick Runge;Martin Schell;Edgar Fernandes;Benjamin Rudin;Florian Emaury

Journal of Lightwave Technology

Year: 2023 | Volume: 41, Issue: 11 | Journal Article |

Implementation, Modelling and Verification of High-Speed Mach-Zehnder Phase Modulators in an Open Access InP Foundry Platform

Y Durvasa Gupta;Guillaume Binet;Wouter Diels;Oliver Abdeen;Tom Gaertner;Moritz Baier;Martin Schell

Journal of Lightwave Technology

Year: 2023 | Volume: 41, Issue: 11 | Journal Article |

Cited by: Papers (3)

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We present the introduction of high-speed phase modulators based on the quantum-confined Stark effect to the generic InP foundry platform at Fraunhofer HHI. An overview of the technological integration of the high-speed phase Mach-Zehnder modulators (MZM) to the existing generic foundry process is described. In addition, an electro-optical behavioral model for the high speed MZM, which gives insig...Show More

Implementation, Modelling and Verification of High-Speed Mach-Zehnder Phase Modulators in an Open Access InP Foundry Platform

Y Durvasa Gupta;Guillaume Binet;Wouter Diels;Oliver Abdeen;Tom Gaertner;Moritz Baier;Martin Schell

Journal of Lightwave Technology

Year: 2023 | Volume: 41, Issue: 11 | Journal Article |

Real-Time Sub-THz Link Enabled Purely by Optoelectronics: 90–310 GHz Seamless Operation

Efstathios Andrianopoulos;Nikolaos K. Lyras;Evangelos Pikasis;Garrit Schwanke;Milan Deumer;Simon Nellen;Tianwen Qian;Georgia D. Ntouni;Eleftherios C. Loghis;Elias D. Tsirbas;Panteleimon-Konstantinos Chartsias;David De Felipe;Panos Groumas;Maria Massaouti;Christos Tsokos;Christos Kouloumentas;Dimitrios Kritharidis;Robert B. Kohlhaas;Norbert Keil;Martin Schell;Hercules Avramopoulos

IEEE Photonics Technology Letters

Year: 2023 | Volume: 35, Issue: 5 | Journal Article |

Cited by: Papers (7)

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Optoelectronic technology is expected to be the cornerstone of sub-THz communication systems, enabling access to and use of the vast frequency resources found in this portion of the spectrum. In this work we demonstrate a photonics-enabled sub-THz wireless link operating in real-time settings, using a PIN-PD-based THz emitter, and a THz receiver based on an ultra-fast photoconductor. The real-time...Show More

Real-Time Sub-THz Link Enabled Purely by Optoelectronics: 90–310 GHz Seamless Operation

Efstathios Andrianopoulos;Nikolaos K. Lyras;Evangelos Pikasis;Garrit Schwanke;Milan Deumer;Simon Nellen;Tianwen Qian;Georgia D. Ntouni;Eleftherios C. Loghis;Elias D. Tsirbas;Panteleimon-Konstantinos Chartsias;David De Felipe;Panos Groumas;Maria Massaouti;Christos Tsokos;Christos Kouloumentas;Dimitrios Kritharidis;Robert B. Kohlhaas;Norbert Keil;Martin Schell;Hercules Avramopoulos

IEEE Photonics Technology Letters

Year: 2023 | Volume: 35, Issue: 5 | Journal Article |

200 Gb/s Uncooled EML with Single MQW Layer Stack Design

M. Theurer;C. Kottke;R. Freund;F. Ganzer;P. Runge;M. Moehrle;U. Troppenz;A. Sigmund;M. Schell

2022 European Conference on Optical Communication (ECOC)

Year: 2022 | Conference Paper |

Cited by: Papers (1)

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We demonstrate an EML for 200 Gb/s PAM4 modulation at uncooled conditions. The device has an identical MQW layer stack for the DFB, EAM and SOA section, which allows a simple fabrication process. The EML is designed for balanced performance from 20°C to 85°C.Show More

200 Gb/s Uncooled EML with Single MQW Layer Stack Design

M. Theurer;C. Kottke;R. Freund;F. Ganzer;P. Runge;M. Moehrle;U. Troppenz;A. Sigmund;M. Schell

2022 European Conference on Optical Communication (ECOC)

Year: 2022 | Conference Paper |

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