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Terahertz Waveform Synthesis and Analysis Using Hybrid Photonic-Electronic Circuits

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

3D-Printed Optical Elements for Coupling of VCSEL and Photodiode Arrays to Multi-Core Fibers in an SFP Transceiver Assembly

Author(s): Pascal Maier, Yilin Xu, Matthias Lauermann, Alexandra Henniger-Ludwig, Hermann Kapim, Mareike Trappen, Torben Kind, Achim Weber, Matthias Blaicher, Philipp-Immanuel Dietrich, Clemens Wurster, Sebastian Randel, Wolfgang Freude, and Christian Koos
Published in: Optical Fiber Communication Conference (OFC) 2022, San Diego, CA, USA, 2022, Page(s) Art.-Nr.: W2A.1, ISBN 978-1-55752-466-9
Publisher: Optica Publishing Group (OSA)
DOI: 10.1364/ofc.2022.w2a.1

Hardware Comparison of Feed-Forward Clock Recovery Algorithms for Optical Communications

Author(s): Matalla, P.; Mahmud, M. S.; Fuellner, C.; Koos, C.; Freude, W.; Randel, S.
Published in: 2021
Publisher: OFC

Photonic-Electronic Ultra-Broadband Signal Processing: Concepts, Devices, and Applications

Author(s): Koos, C.; Randel, S.; Freude, W.; Zwick, T.; Scheytt, J.C.; Witzens, J.; Walther, M.; Harter, T.; Ummethala, S.; Kieninger, C.; Zwickel, H.; Marin-Palomo, P.; Muehlbrandt, S.; Füllner, C.; Schaefer, S.; Gudyriev, S.; Zazzi, A.; Müller, J.; Tessmann, A.
Published in: 2020 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS’20), Issue November 16-19, 2020, 2020, Page(s) paper 4a.1
Publisher: IEEE
DOI: 10.5445/ir/1000129764

InP/Silicon Hybrid External-Cavity Lasers (ECL) Using Photonic Wirebonds as Coupling Elements

Author(s): Yilin Xu, Pascal Maier, Matthias Blaicher, Philipp-Immanuel Dietrich, Pablo Marin-Palomo, Wladislaw Hartmann, Muhammad Rodlin Billah, Ute Troppenz, Martin Möhrle, Sebastian Randel, Wolfgang Freude, Christian Koos
Published in: Optical Fiber Communication Conference (OFC) 2020, 2020, Page(s) M4H.6, ISBN 978-1-943580-71-2
Publisher: OSA
DOI: 10.1364/ofc.2020.m4h.6

Photonic Wire Bonding and 3D Nano-Printing in Photonics: From Lab Demonstrations to Production

Author(s): Koos, C.
Published in: 2019
Publisher: ISUPT

Comparison of Electronic and Optoelectronic Signal Generation for Wireless THz Communications

Author(s): Dittmer, J.; Matalla, P.; Fuellner, C.; Wagner, S.; Tessmann, A.; Koos, C.; Randel, S.
Published in: 2023
Publisher: VDE Verlag

Wireless THz-to-optical conversion with an electro-optic plasmonic modulator

Author(s): Freude, W.; Ummethala, S.; Harter, T.; Koehnle, K.; Li, Z.; Muehlbrandt, S.; Kutuvantavida, Y.; Kemal, J. N.; Marin-Palomo, P.; Schaefer, J.; Tessmann, A.; Kumar Garlapati, S.; Bacher, A.; Hahn, L.; Walther, M.; Zwick, T.; Randel, S.; Koos, C.
Published in: Light: Science & Applications, Light Conference (Light Conference'19), Changchun, China, July 16-18, Issue 7, 2019
Publisher: Light: Science & Applications

Experimental validation of a statistical model of mode-diverse reception in coherent free-space optical communications

Author(s): Krimmer, J.; Vliet, V. v.; Hout, M. v. d.; Heide, S. v. d.; Bradley, T.; Koos, C.; Freude, W.; Okonkwo, C.; Randel, S.
Published in: 2023
Publisher: COAT

Thermally Stable Silicon-Organic Hybrid (SOH) Mach-Zehnder Modulator for 140 GBd PAM4 transmission with Sub-1 V Drive Signals

Author(s): C. Eschenbaum, A. Mertens, C. Füllner, A. Kuzmin, A. Schwarzenberger, A. Kotz, G. Ramann, M. Chen, J. Drisko, B. Johnson, J. Zyskind, J. Marcelli, M. Lebby, W. Freude, S. Randel, and C. Koos
Published in: 2022, ISBN 978-1-957171-15-9
Publisher: IEEE

Silicon-organic hybrid (SOH) integration - from lab to fab

Author(s): Koos, C.; Freude, W.; Randel, S.; Bräse, S.; Erk, P.; Eschenbaum, C.; Kuzmin, A.; Mertens, A.; Schwarzenberger, A.; Kholeif, H.; Kotz, A.; Sarwar, S.; Singer, S.
Published in: 2024
Publisher: OFC

Silicon-plasmonic integrated circuits for terahertz signal generation and coherent detection

Author(s): Harter, T.; Muehlbrandt, S.; Ummethala, S.; Schmid, A.; Hahn, L.; Freude, W.; Koos, C.
Published in: 2018
Publisher: Nat. Photonics

PAM-4 Driver Amplifier using Distributed Power Combining

Author(s): Bohn, C.; Hebeler, J.; Koos, C.; Zwick, T.; Ulusoy, A. Ç.
Published in: 2021
Publisher: IMS

Photonic-Eletronic Arbitrary Waveform Generation up to 100 GHz Using Active Phase Stabilization

Author(s): C. Füllner, A. Sherifaj, T. Henauer, D. Fang, D. Drayss, T. Harter, T. Z. Gutema, W. Freude, S. Randel, and C. Koos
Published in: 2022, ISBN 978-1-957171-05-0
Publisher: IEEE
DOI: 10.1364/cleo_si.2022.sth5m.3

3D-Printed Scanning-Probe Microscopes with Integrated Optical Actuation and Read-Out

Author(s): [36] Dietrich, P.-I-; Göring, G.; Trappen, M.; Blaicher, M.; Freude, W.; Schimmel, T.; Hölscher, H.; Koos, C.
Published in: 2019
Publisher: Small

Slice-Less Optical Arbitrary Waveform Measurement (OAWM) in a Bandwidth of More Than 600 GHz

Author(s): Daniel Drayss, Dengyang Fang, Christoph Füllner, Grigorii Likhachev, Thomas Henauer, Yung Chen, Huanfa Peng, Pablo Marin-Palomo, Thomas Zwick, Wolfgang Freude, Tobias J. Kippenberg, Sebastian Randel, and Christian Koos
Published in: Optical FibOptical Fiber Communication Conference (OFC) 2022, S. Matsuo, D. Plant, J. Shan Wey, C. Fludger, R. Ryf, and D. Simeonidou, eds., Technical Digest Series (Optica Publishing Group, 2022), 2022, Page(s) paper M2I.1., ISBN 978-1-55752-466-9
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1364/ofc.2022.m2i.1

O-Band SOH Mach-Zehnder Modulator Operating at a PAM4 Line Rate of 384 Gbit/s with Sub-Volt Drive Voltage

Author(s): Schwarzenberger, A.; Sarwar, S.; Eschenbaum, C.; Mertens, A.; Martens, M.; Kotz, A.; Fang, D.; Sherifaj, A.; Singer, S.; Kholeif, H.; P., Kern; Erk, P.; Kuzmin, A.; Braese, S.; Randel, S.; Freude, W.; Koos, C.
Published in: 2024
Publisher: OFC

Cryogenic Operation of a Silicon-Organic Hybrid (SOH) Modulator at 50 Gbps and 4 K Ambient Temperature

Author(s): Schwarzenberger, A., Kuzmin, A., Eschenbaum, C., Füllner, C., Mertens, A., Johnson, L. E., Elder, D.L., Randel, S., Freude, W., Koos, C.
Published in: 2022
Publisher: European Conference on Optical Communication

Slice-Less Optical Arbitrary Waveform Measurement (OAWM) on a Silicon Photonic Chip

Author(s): Daniel Drayss, Dengyang Fang, Christoph Füllner, Artem Kuzmin, Wolfgang Freude, Sebastian Randel, and Christian Koos
Published in: 2022, ISBN 978-1-957171-15-9
Publisher: IEEE

3D free-form millimeter-wave and THz structures based on multiphoton lithography

Author(s): Maier, P.; Kotz, A.; Hebeler, J.; Zhang, Q.; Benz, C.; Quint, A.; Kretschmann, M.; Harter, T.; Randel, S.; Lemmer, U.; Freude, W.; Zwick, T.; Koos, C.
Published in: 2024
Publisher: OFC

320 GHz Analog-to-Digital Converter Exploiting Kerr Soliton Combs and Photonic-Electronic Spectral Stitching

Author(s): Fang, D.; Drayss, D.; Lihachev, G.; Marin-Palomo, P.; Peng, H.; Fullner, C.; Kuzmin, A.; Liu, J.; Wang, R.; Snigirev, V.; Lukashchuk, A.; Zhang, M.; Kharel, P.; Witzens, J.; Scheytt, C.; Freude, W.; Randel, S.; Kippenberg, T. J.; Koos, C.
Published in: 2021 European Conference on Optical Communication (ECOC), 2021, Page(s) pp. 1-4, ISBN 978-1-6654-3868-1
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/ecoc52684.2021.9606090

Horizontal-Slot Plasmonic-Organic Hybrid (POH) Modulator

Author(s): Sandeep Ummethala, Venkata Anirudh Pammi, Ahsan H. M. Uddin, Lothar Hahn, Wolfgang Freude, Christian Koos
Published in: Conference on Lasers and Electro-Optics, 2020, Page(s) SM2J.4, ISBN 978-1-943580-76-7
Publisher: OSA
DOI: 10.1364/cleo_si.2020.sm2j.4

A verified equivalent-circuit model for slot-waveguide modulators

Author(s): [32] Zwickel, H.; Singer, S.; Kieninger, C.; Kutuvantavida, Y.; Muradyan, N.; Wahlbrink, T.; Yokoyama, S.; Freude, W., and Koos, C.
Published in: 2020
Publisher: Opt. Express

Pluggable Single-Mode Chip-Chip Connections Using Facet-Attached Microlenses and Passive Mechanical Joints

Author(s): Schwaab, P.; Maier, P.; Bao, Y., Singer, S.; Worgull, M.; Freude, W; Koos, C.
Published in: 2024
Publisher: CLEO

200 GBd 16QAM Signals Synthesized by an Actively Phase-Stabilized Optical Arbitrary Waveform Generator (OAWG)

Author(s): Henauer, Thomas; Sherifaj, Alban; Füllner, Christoph; Freude, Wolfgang; Randel, Sebastian; Zwick, Thomas; Koos, Christian
Published in: Optical Fiber Communication Conference (OFC) 2022, San Diego, CA, USA, 2022, Page(s) Art.-Nr.: M2I.2, ISBN 978-1-55752-466-9
Publisher: Optica Publishing Group (OSA)
DOI: 10.1364/ofc.2022.m2i.2

Loss Prediction and 3D Trajectory Design of Photonic Wire Bonds using Artificial Neural Networks (ANN)

Author(s): Bao, Y.; Paszkiewicz, M.; Krimmer, J.; Freude, W.; Randel, S.; Rockstuhl, C.; Koos, C.
Published in: 2024
Publisher: CLEO

AFM engine with optical actuation and readout printed on the facet of a multi-core fiber

Author(s): Mareike Trappen, Philipp-Immanuel Dietrich, Pascal Burger, Matthias Blaicher, Gerald Goring, Thomas Schimmel, Wolfgang Freude, Hendrik Holscher, Christian Koos
Published in: Conference on Lasers and Electro-Optics, 2020, Page(s) SM2N.7, ISBN 978-1-943580-76-7
Publisher: OSA
DOI: 10.1364/cleo_si.2020.sm2n.7

Wireless THz-to-optical conversion with an electro-optic plasmonic modulator

Author(s): Freude, W.; Ummethala, S.; Harter, T.; Koehnle, K.; Li, Z.; Muehlbrandt, S.; Kutuvantavida, Y.; Kemal, J. N.; Marin-Palomo, P.; Schaefer, J.; Tessmann, A.; Kumar Garlapati, S.; Bacher, A.; Hahn, L.; Walther, M.; Zwick, T.; Randel, S.; Koos, C.
Published in: 2019
Publisher: Light: Science & Applications

Integrated phase-sensitive photonic sensors: A system design tutorial

Author(s): Milvich, J.; Kohler, D.; Freude, W.; and Koos, C.
Published in: 2021
Publisher: Adv. Opt. Photonics

Non-sliced optical arbitrary waveform measurement (OAWM) using soliton microcombs

Author(s): Drayss, D.; Fang, D.; Füllner, C.; Lihachev, G.; Henauer, T.; Chen, Y.; Peng, H.; Marin-Palomo, P.; Zwick, T.; Freude, W.; Kippenberg, S.; Randel, S.; Koos, C.
Published in: Optica, 2023
Publisher: Optica
DOI: 10.1364/optica.484200

200 Gbit/s Wireless THz Transmission over 52m using Optoelectronic Signal Generation

Author(s): Joel Dittmer, Jonas Tebart, Christoph Füllner, Christian Koos, Andreas Stöhr, Sebastian Randel
Published in: 2023 53rd European Microwave Conference (EuMC), 2023
Publisher: IEEE
DOI: 10.23919/eumc58039.2023.10290657

Low-Phase-Noise Frequency-Agile Hybrid Integrated Laser Offering Highly Linear Tuning for FMCW LiDAR

Author(s): Peng, H.; Chen, Y.; Robles, I.; Lihachev, G.; Tian, H.; Voloshin, A.; Riemensberger, J.; Maier, P.; Skacel, S.; Lauermann, M.; Attanasio, A.; Randel, S.; Freude, W.; Bhave, S.; Kippenberg, T.J.; Koos, C.
Published in: 2024
Publisher: CLEO

Ultra-Broadband Electrical Signal Generation and IM/DD Transmission of QAM Signals at Symbol Rates Up to 90 GBd

Author(s): C. Füllner; D. Fang; P. Matalla; W. Freude; C. Koos; S. Randel
Published in: European Conference on Optical Communication (ECOC 2021), Bordeaux, France, 2021, Page(s) 1-4, ISBN 978-1-66543-868-1
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/ecoc52684.2021.9605833

Linear-drive amplifier-less 112 Gbit/s PAM4 operation of a silicon-organic hybrid (SOH) Mach-Zehnder modulator at 265 mVpp

Author(s): Schwarzenberger, A.; Singer, S.; Eschenbaum, C.; Martens, M.; Mertens, A.; Dagher, G.; Valenziano, L.; Sarwar, S.; Kholeif, H.; Kotz, A.; Zwick, T.; Bräse, S.; Freude, W.; Randel, S.; Koos, C.
Published in: 2024
Publisher: OFC

Optical Arbitrary Waveform Measurement (OAWM) on the Silicon Photonic Platform

Author(s): Fang, D.; Zazzi, A.; Mueller, J.; Drayss, D.; Fuellner, C.; Marin-Palomo, P.; Mashayekh, A. T.; Das, A. D.; Weizel, M.; Gudyriev, S.; Freude, W.; Randel, S.; Scheytt, J. C.; Witzens, J.; Koos, C.
Published in: Optical Fiber Communication Conference (OFC'21), San Diego (CA), USA, June 6 – 11, 2021, Issue June 6-11, 2021, 2021, Page(s) F2E.G
Publisher: The Optical Society of America (OSA)

SOH Mach-Zehnder Modulators for 100 GBd PAM4 Signaling With Sub-1 dB Phase-Shifter Loss

Author(s): Kieninger, C.; Fuellner, C.; Zwickel, H.; Kutuvantavida, Y.; Kemal, J. N.; Eschenbaum, C.; Freude, W.; Randel, S.; Koos, C.
Published in: Optical Fiber Communication Conference (OFC'20), San Diego (CA), USA, Issue 8.03.–12.03.2020, 2020, Page(s) paper Th3C.3
Publisher: OFC
DOI: 10.5445/ir/1000083036

50 GBit/s PAM-4 Driver Circuit Based on Variable Gain Distributed Power Combiner

Author(s): v. Vangerow, C.; Bohn, C.; Zwickel, H.; Koos, C.; Zwick, T.
Published in: 2019
Publisher: IEEE

3D-Printed Facet-Attached Optical Elements for Beam Shaping in Solid-State Phased Arrays

Author(s): Stefan Singer, Yilin Xu, Sebastian Tobias Skacel, Heiner Zwickel, Pascal Maier, Philipp-Immanuel Dietrich, Mathias Kaschel, Christoph Menzel, Sebastian Randel, Wolfgang Freude, and Christian Koos
Published in: 2022, ISBN 978-1-957171-05-0
Publisher: Optica Publishing Group (OSA)
DOI: 10.1364/cleo_si.2022.sm4p.5

Spectrally sliced optical arbitrary waveform measurement (OAWM) using a photonic multi-chip receiver assembly

Author(s): Fang, D.; Drayss, D.; Chen, Y.; Lauermann, M.; Peng, H.; Lihachev, G.; Quint, A.; Valenziano, L.; Randel, S.; Zwick, T.; Freude, W.; Kippenberg, T. J; Koos, C.
Published in: 2024
Publisher: OFC

Optic-Electronic-Optic Interferometer on an Indium Phosphide Platform

Author(s): Mahmud, Md. S.; Matalla, P.; Dittmer, J.; Schindler, A.; Runge, P.; Koos, C.; Randel, S.
Published in: 2024
Publisher: CLEO

Opto-Electronic Terahertz Transceivers for Wireless 5G Backhaul

Author(s): Randel, S.; Harter, T.; Fuellner, C.; Ummethala, S.; Koos, C.; Freude, W.
Published in: Optical Fiber Communication Conference (OFC’20), San Diego (CA), USA, Issue March 08–12, 2020, 2020, Page(s) paper M4I.6
Publisher: OSA

In-Situ 3D Nano-Printing of Freeform Coupling Elements for Hybrid Photonic Integration

Author(s): Dietrich, P.-I.; Blaicher, M.; I. Reuter, I.; Billah, M.; T. Hoose, T.; A. Hofmann, A.; Caer, C.; Dangel, R.; Offrein, B.; Troppenz, U.; Moehrle, M.; Freude, W.; Koos, C.
Published in: 2018
Publisher: Nat. Photonics

160-GBd Photonic-Electronic PAM Transmitter Based on IQ Multiplexing

Author(s): Fullner, Christoph; Sherifaj, Alban; Henauer, Thomas; Fang, Dengyang; Drayss, Daniel; Freude, Wolfgang; Koos, Christian; Randel, Sebastian
Published in: 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), Toyama, Japan, 2022, ISBN 978-4-88552-336-6
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.23919/oecc/psc53152.2022.9850186

Bio-photonic sensors chip with integrated Si3N4-organic hybrid (SiNOH) lasers for point-of-care diagnostics

Author(s): Kohler, D.; Schindler, G.; Hahn, L.; Milvich, J.; Hofmann, A.; Länge, K.; Freude, W.; Koos, C.
Published in: 2021
Publisher: Light: Science & Applications

3D-Printed Optics for Wafer-Scale Probing

Author(s): Mareike Trappen, Matthias Blaicher, Philipp-Immanuel Dietrich, Tobias Hoose, Yilin Xu, Muhammad Rodlin Billah, Wolfgang Freude, Christian Koos
Published in: 2018 European Conference on Optical Communication (ECOC), 2018, Page(s) 1-3, ISBN 978-1-5386-4862-9
Publisher: IEEE
DOI: 10.1109/ecoc.2018.8535123

Hardwired Configurable Photonic Integrated Circuits Enabled by 3D Nanoprinting

Author(s): T. Hoose, M. Blaicher, J. N. Kemal, H. Zwickel, M. R. Billah, P.-I. Dietrich, A. Hofmann, W. Freude, S. Randel, C. Koos
Published in: 2018 European Conference on Optical Communication (ECOC), 2018, Page(s) 1-3, ISBN 978-1-5386-4862-9
Publisher: IEEE
DOI: 10.1109/ecoc.2018.8535258

Wireless Transmission at 0.3 THz Using Direct THz-to-Optical Conversion at the Receiver

Author(s): S. Ummethala, T. Harter, K. Koehnle, Z. Li, S. Muehlbrandt, Y. Kutuvantavida, J. N. Kemal, J. Schaefer, H. Massler, A. Tessmann, S. K. Garlapati, A. Bacher, L. Hahn, M. Walther, T. Zwick, S. Randel, W. Freude, C. Koos
Published in: 2018 European Conference on Optical Communication (ECOC), 2018, Page(s) 1-3, ISBN 978-1-5386-4862-9
Publisher: IEEE
DOI: 10.1109/ecoc.2018.8535490

Photonic Wire Bonding and 3D Nanoprinting in Photonic Integration – from Lab Demonstrations to Production

Author(s): C. Koos, W. Freude, S. Randel, M. R. Billah, M. Blaicher, P.-I. Dietrich, T. Hoose, Y. Xu, J. N. Kemal, A. Nesic, A. Hofmann
Published in: 2018 European Conference on Optical Communication (ECOC), 2018, Page(s) 1-2, ISBN 978-1-5386-4862-9
Publisher: IEEE
DOI: 10.1109/ecoc.2018.8535426

Efficient Coupling Interfaces in Photonic Systems Enabled by Printed Freeform Micro-Optics

Author(s): C. Koos, W. Freude, S. Randel, P.-I. Dietrich, M. Blaicher, Y. Xu, M. R. Billah, T. Hoose, M. Trappen, A. Hofmann
Published in: 2018 20th International Conference on Transparent Optical Networks (ICTON), 2018, Page(s) 1-2, ISBN 978-1-5386-6605-0
Publisher: IEEE
DOI: 10.1109/icton.2018.8473851

Silicon Photonics for Coherent Terahertz Generation and Detection

Author(s): W. Freude, T. Harter, S. Muehlbrandt, S. Ummethala, S. Nellen, L. Hahn, S. Randel, C. Koos
Published in: 2019 21st International Conference on Transparent Optical Networks (ICTON), 2019, Page(s) 1-4, ISBN 978-1-7281-2779-8
Publisher: IEEE
DOI: 10.1109/icton.2019.8840408

Generalized Kramers-Kronig Receiver for 16QAM Wireless THZ Transmission AT 110 Gbit/s

Author(s): T. Harter, C. Füllner, J.N. Kemal, S. Ummethala, J.L. Steinmann, M. Brosi, J.L. Hesler, E. Bründermann, W. Freude, S. Randel, C. Koos
Published in: 45th European Conference on Optical Communication (ECOC 2019), 2019, Page(s) 266 (4 pp.)-266 (4 pp.), ISBN 978-1-83953-185-9
Publisher: Institution of Engineering and Technology
DOI: 10.1049/cp.2019.1000

Wireless terahertz communications using optoelectronic techniques

Author(s): Harter, T.; Ummethala, S.; Muehlbrandt, S.; Blaicher, M.; Koehnle, K.; Adib, M. M. H.; Weber, M.; Wolf, S.; Kutuvantavida, Y.; Kemal, J. N.; Nellen, S.; Hahn, L.; Tessmann, A.; Walther, M.; Zwick, T.; Randel, S.; Freude, W.; Koos, C.
Published in: Progress in Electromagnetics Research Symposium 2018 (PIERS 2018), Toyama, Japan, Issue August 1-4, 2018, 2018, Page(s) SC3 & SC4
Publisher: IEEE
DOI: 10.5445/ir/1000105507

Hybrid Photonic Integration and Plasmonic Devices: New Perspectives for High-Speed Communications and Ultra-Fast Signal Processing

Author(s): C. Koos, S. Randel, W. Freude, L. R. Dalton, S. Wolf, C. Kieninger, Y. Kutuvantavida, M. Lauermann, D. L. Elder, S. Muehlbrandt, H. Zwickel, A. Melikyan, T. Harter, S. Ummethala, M. R. Billah, M. Blaicher, P.-I. Dietrich, T. Hoose
Published in: CLEO Pacific Rim Conference, 2018, Page(s) W4J.1, ISBN 978-1-943580-45-3
Publisher: OSA
DOI: 10.1364/cleopr.2018.w4j.1

3D-Printed Ultra-Broadband Highly Efficient Out-of-Plane Coupler for Photonic Integrated Circuits

Author(s): Matthias Blaicher, Muhammad Rodlin Billah, Tobias Hoose, Philipp-Immanuel Dietrich, Andreas Hofmann, Sebastian Randel, Wolfgang Freude, Christian Koos
Published in: Conference on Lasers and Electro-Optics, 2018, Page(s) STh1A.1, ISBN 978-1-943580-42-2
Publisher: OSA
DOI: 10.1364/cleo_si.2018.sth1a.1

Terahertz-to-Optical Conversion Using a Plasmonic Modulator

Author(s): S. Ummethala, T. Harter, K. Köhnle, S. Muehlbrandt, Y. Kutuvantavida, J. N. Kemal, J. Schaefer, H. Massler, A. Tessmann, S. K. Garlapati, A. Bacher, L. Hahn, M. Walther, T. Zwick, S. Randel, W. Freude, C. Koos
Published in: Conference on Lasers and Electro-Optics, 2018, Page(s) STu3D.4, ISBN 978-1-943580-42-2
Publisher: OSA
DOI: 10.1364/cleo_si.2018.stu3d.4

Demonstration of Long-Term Thermal Stability of a Silicon-Organic Hybrid (SOH) Modulator at 85°C

Author(s): C. Kieninger, Y. Kutuvantavida, J. N. Kemal, H. Zwickel, H. Miura, S. Randel, W. Freude, S. Yokoyama, C. Koos
Published in: Conference on Lasers and Electro-Optics, 2018, Page(s) SM3B.3, ISBN 978-1-943580-42-2
Publisher: OSA
DOI: 10.1364/cleo_si.2018.sm3b.3

Electrically Packaged Silicon-Organic Hybrid Modulator for Communication and Microwave Photonic Applications

Author(s): H. Zwickel, J. N. Kemal, C. Kieninger, Y. Kutuvantavida, M. Lauermann, J. Rittershofer, R. Pajković, D. Lindt, S. Randel, W. Freude, C. Koos
Published in: Conference on Lasers and Electro-Optics, 2018, Page(s) SM3B.1, ISBN 978-1-943580-42-2
Publisher: OSA
DOI: 10.1364/cleo_si.2018.sm3b.1

Wireless Terahertz Communications

Author(s): W. Freude, A. Tessmann, Y. Kutuvantavida, J. N. Kemal, S. Nellen, L. Hahn, B. Globisch, M. Walther, T. Zwick, S. Randel, C. Koos, T. Harter, S. Ummethala, S. Muehlbrandt, M. Blaicher, S. Wolf, M. Weber, F. Boes, H. Massler
Published in: 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2019, Page(s) 1-1, ISBN 978-1-7281-0469-0
Publisher: IEEE
DOI: 10.1109/cleoe-eqec.2019.8873098

Silicon Photonics, Hybrid Integration, and Frequency Combs: Technologies for High-bandwith Communications - Tutorial

Author(s): Koos, C.
Published in: Optical Fiber Communication Conference (OFC'19), San Diego (CA), USA, Issue 03.–07.03.2019, 2019, Page(s) W3E.1
Publisher: OSA
DOI: 10.5445/ir/1000129769

Capacitively Coupled Silicon-Organic Hybrid Modulator for 200 Gbit/s PAM-4 Signaling

Author(s): S. Ummethala, J. N. Kemal, M. Lauermann, A. S. Alam, H. Zwickel, T. Harter, Y. Kutuvantavida, L. Hahn, S. H. Nandam, D. L. Elder, L. R. Dalton, W. Freude, S. Randel, C. Koos
Published in: Conference on Lasers and Electro-Optics, 2019, Page(s) JTh5B.2, ISBN 978-1-943580-57-6
Publisher: OSA
DOI: 10.1364/cleo_at.2019.jth5b.2

Pilot-free digital clock synchronization for continuous-variable quantum key distribution

Author(s): P. Matalla, M. S. Mahmud, C. Koos, S. Randel
Published in: 49th European Conference on Optical Communications (ECOC 2023), 2024
Publisher: Institution of Engineering and Technology
DOI: 10.1049/icp.2023.2552

THz Wireless Link at 100 Gbit/s Over 110 m With a Kramers-Kronig Schottky Barrier Diode Receiver

Author(s): Harter, T.; Fuellner, C.; Kemal, J. N.; Ummethala, S.; Brosi, J.-M.; Bruendermann, E.; Freude, W.; Randel, S.; Koos, C.
Published in: 2018
Publisher: ECOC

Subcarrier-Based Coherent PON Architecture for a Converged Fiber Infrastructure in Smart-Cities

Author(s): Adib, M. M. H.; Fuellner, C.; Koos, C.; Freude, W.; Randel, S.
Published in: 2022
Publisher: APC

Coherent Add/Drop Multiplexing Using an Optic-Electronic-Optic Interferometer

Author(s): Md Salek Mahmud, Patrick Matalla, Md Mosaddek Hossain Adib, Christian Koos, Sebastian Randel
Published in: CLEO 2023, 2023
Publisher: Optica Publishing Group
DOI: 10.1364/cleo_si.2023.sm2i.6

Nonlinear Loss and Damage Threshold in Silicon Photonic Waveguides: Modelling and Experimental Verification

Author(s): Stefan Singer, Philipp Trocha, Heiner Zwickel, Clemens Kieninger, Juned Kemal, Mathias Kaschel, Christoph Menzel, Sebastian Randel, Wolfgang Freude, and Christian Koos
Published in: 2022, ISBN 978-1-957171-05-0
Publisher: IEEE
DOI: 10.1364/cleo_si.2022.sf3o.4

Bandwidth and conversion efficiency analysis of dissipative Kerr soliton frequency combs based on bifurcation theory

Author(s): Gärtner, J.; Trocha, P.; Mandel, R.; Koos, C.; Jahnke, T.; Reichel, W.
Published in: 2019
Publisher: Phys. Rev.

High-performance modulators employing organic electro-optic materials on the silicon platform

Author(s): Freude, W.; Kotz, A.; Kholeif, H.; Schwarzenberger, A.; Kuzmin, A.; Eschenbaum, C.; Mertens, A.; Sarwar, S.; Erk, P.; Bräse, S.; Koos, C.
Published in: 2024
Publisher: IEEE

Wireless THz Communications at 250 Gbit/s Using Self-Injection-Locked Kerr Soliton Microcombs as Photonic-Electronic Oscillators at the Transmitter and Receiver

Author(s): Fang, D.; Peng, H.; Chen, Y.; Dittmer, J.; Tessmann, A.; Wagner, S.; Matalla, P.; Drayss, D.; Lihachev, G.; Voloshin, A.; Skacel, S.T.; Lauermann, M.; Kallfass, I.; Zwick, T.; Freude, W.; Kippenberg, T.J.; Randel, S.; Koos, C.
Published in: 2024
Publisher: ECOC

Analysis of Burst Mode Reception in 100 Gbit/s Coherent Passive Optical Networks

Author(s): Adib, M. M. H.; Fuellner, C.; Schwarzenberger, A.; Koos, C.; Freude, W.; Randel, S.
Published in: 2021
Publisher: APC

Integrated non-sliced OAWM engine enabling 320 GHz photonic-electronic analog-to-digital conversion

Author(s): Drayss, D.; Fang, D.; Quint, A.; Valenziano, L.; Lauermann, M.; Lihachev, G.; Chen, Y.; Peng, H.; Randel, S.; Zwick, T.; Freude, W.; Kippenberg, T. J.; Koos, C.
Published in: 2024
Publisher: OFC

Colorless Coherent TDM-PON Based on a Frequency-Comb Laser

Author(s): Adib, M. M. H.; Fuellner, C.; Marin-Palomo, P.; Ramdane, A.; Koos, C.; Freude, W.; Randel, S.; Kemal, J. N.
Published in: 2022
Publisher: Lightwave Technol.

Efficient modelling of 3D-printed freeform waveguides by a dedicated beam-propagation method (BPM) based on transformation optics

Author(s): Foroutan-Barenji, S.; Krimmer, J.; Freude, W.; Koos, C.
Published in: 2024
Publisher: ECIO24

Swept-Source Optical Coherence Tomography (SS-OCT) Using a Hybrid Silicon Photonic External-Cavity Laser (ECL)

Author(s): P. Maier, C. Bremauer, Y. Bao, Y. Xu, D. Ganin, S. Randel, W. Freude, and C. Koos
Published in: 2022, ISBN 978-1-957171-05-0
Publisher: Optica Publishing Group (OSA)
DOI: 10.1364/cleo_at.2022.am5i.4

3D-M3: High-spatial resolution spectroscopy with extreme AO and 3D printed micro-lenslets

Author(s): [23] Anagnos, T.; Trappen, T.; Tiong, B. C. K.; Feger, T.; Yerolatsitis, S.; Harris, R. J.; Lozi, J.; Jovanovic, N.; Birks, T. A.; Vievard, S.; Guyon, O.; Gris-Sánchez, I.; Leon-Saval, S. G.; Norris, B.; Haffert, S. Y.; Hottinger, P.; Blaicher, M.; Xu, Y.; Betters, C. H.; Koos, C.; Coutts, D. W.; Schwab, C.; Quirrenbach, A.
Published in: 2021
Publisher: Appl. Opt.

Optical Arbitrary Waveform Generation (OAWG) Using Actively Phase-Stabilized Spectral Stitching

Author(s): Drayss, D.; Fang, D.; Sherifaj, A.; Peng, H.; Fuellner, C.; Henauer, T.; Lihachev, G.; Harter, T.; Freude, W.; Randel, S.; Kippenberg, T. J.; Zwick, T.; Koos, C.
Published in: 2024
Publisher: Light: Science & Applications

Freeform terahertz structures fabricated by multi-photon lithography and metal coating

Author(s): Maier, P.; Kotz, A.; Hebeler, J.; Zhang, Q.; Benz, C.; Quint, A.; Kretschmann, M.; Harter, T.; Randel, S.; Lemmer, U.; Freude, W.; Zwick, T.; Koos, C.
Published in: 2023
Publisher: arxiv

Photonic-Electronic Ultra-Broadband Signal Processing: Devices, Concepts, and Applications

Author(s): Koos, C.
Published in: 2023
Publisher: EuMW

Terahertz Analogue-to-Digital Conversion Using Soliton Frequency Combs and Massively Parallel Spectrally Sliced Detection (TeraSlice)

Author(s): Koos, C., Kippenberg, T., Randel, S., Freude, W., Zwick, T., Scheytt, J. C., Witzens, J., Fang, D., Drayß, D., Harter, T., Ummethala, S., Kieninger, C., Zwickel, H., Marin-Palomo, P., Füllner, C., Billah, M., Blaicher, M., Xu, Y., Lauermann, M., Skacel, S., Lihachev, G., Schaefer, J., Gudyriev, S., Zazzi, A., Müller, J.
Published in: 2021
Publisher: International Workshop on Mobile THz Systems (IWMTS)

3D Nanoprinting and Hybrid Photonic Integration - Technologies and Applications Beyond Telecommunications

Author(s): Koos, C.
Published in: 2022
Publisher: ams-OSRAM International GmbH

Silicon Photonics, Hybrid Integration, and Frequency Combs - Technologies for Terabit Communications and Ultra-Fast Signal Processing

Author(s): Koos, C., et al.
Published in: 2018
Publisher: "Helmholtz Programme ""Matter and Technologies"""

320 GHz Photonic-Electronic Analogue-to-Digital Converter (ADC) Exploiting Kerr Soliton Microcombs

Author(s): Fang, D.; Drayss, D.; Peng, H.; Lihachev, G.; Fuellner, C.; Kuzmin, A.; Marin-Palomo1, P.; Kharel, P.; Wang, R.; Riemensberger, J.; Zhang, M.; Witzens, J.; Scheytt, J. C.; Freude, W.; Randel, S.; Kippenberg, T. J.; Koos, C.
Published in: 2024
Publisher: Light: Science & Applications

Thin-film lithium tantalate modulators for high-speed communications

Author(s): Wang, C.; Fang, D.; Zhang, J.; Kotz, A.; Lihachev, G.; Churaev, M.; Li, Z.; Schwarzenberger, A.; Ou, X.; Koos, C.; Kippenberg, T.
Published in: 2024
Publisher: Optica

Method for arbitrary waveform measurement and a system to operate said method

Author(s): Drayß, D., Fang, D., Koos, C.
Published in: 2022
Publisher: Patent

Optical arbitrary waveform generation and measurement (OAWG/OAWM) enabling 320 GBd 32QAM transmission

Author(s): Drayss, D. Fang, D. Sherifaj, A. Peng, H. Fuellner, C. Henauer, T. Lihachev, G. Freude, W. Randel, S. Kippenberg, T. J. Zwick, T. Koos, C.
Published in: 2023
Publisher: OSA
DOI: 10.1364/cleo_si.2023.sth5c.8

Integrierte Photonik - eine Schlüsseltechnik für Sensorik und Kommunikationstechnik

Author(s): Koos, C.
Published in: 2022
Publisher: Universität Stuttgart

Self-Injection-Locked Kerr Soliton Microcombs With Photonic Wire Bonds For Use in Terahertz Communications

Author(s): Chen, Y. Peng, H. Fang, D. Dittmer, J. Lihachev, G. Voloshin, A. Skacel, S. T. Lauermann, M. Tessmann, A. Wagner, S. Bhave, S. Kallfass, I. Zwick, T. Freude, W. Randel, S. Kippenberg, T. J. Koos, C.
Published in: 2023
Publisher: OSA
DOI: 10.1364/cleo_si.2023.sth3j.1

Silicon Photonics, Hybrid Integration, and Frequency Combs: Enabling Technologies for Hyperscale Networks

Author(s): Koos, C.
Published in: 2018
Publisher: Keysight in Network Data Center

Photonic Wire Bonding and Hybrid Integration on the Silicon Platform: From High-Speed Communications to THz Signal Processing

Author(s): Koos, C.
Published in: 2019
Publisher: ePIXfab

3D-Nanoprinting and Hybrid Photonic Integration - Technologies and Applications

Author(s): Koos, C.
Published in: 2022
Publisher: Huawei Technology Saloon by Distinguished Professors

Photonic Wirebonding and 3D Nanoprinting for Optical Packaging and Assembly

Author(s): Koos, C.
Published in: 2018
Publisher: CIOE

Hybrid photonic circuits: From high-speed communications to THz signal processing

Author(s): Koos, C.
Published in: 2020
Publisher: ECIO

Non-sliced Optical Arbitrary Waveform Measurement (OAWM) Using a Silicon Photonic Receiver Chip

Author(s): Drayss, Daniel; Fang, Dengyang; Füllner, Christoph; Freude, Wolfgang; Randel, Sebastian; Koos, Christian
Published in: 2023
Publisher: IEEE
DOI: 10.48550/arxiv.2310.17662

THz carrier processing and optical arbitrary waveform measurement employing integrated silicon photonics

Author(s): Freude, W. Harter, T. Muehlbrandt, S. Ummethala, S. Fang, D. Randel, S. Koos, C.
Published in: 2023
Publisher: APC-Networks 2023
DOI: 10.1364/networks.2023.nem4b.4

Optical Arbitrary Waveform Generation (OAWG) Based on RF Injection-Locked Kerr Soliton Combs

Author(s): Fang, D. Peng, H. Drayss, D. Chen, Y. Fuellner, C. Sherifaj, A. Lihachev, G. Freude, W. Randel, S. Kippenberg, T. J. Zwick, T. Koos, C.
Published in: 2023
Publisher: ECOC 2023

Photonic Wirebonding and 3D Nanoprinting for Optical Packaging and Assembly

Author(s): Koos, C. et al.
Published in: 2019
Publisher: OFC

Hybrid Photonic Integration, Organic-Electro-Optic Devices and Frequency Combs: Technologies for Massively Parallel Optical Communications

Author(s): Koos, C.
Published in: 2021
Publisher: Huaweu Strategy and Technology Workshop

Photonic-Electronic Ultra-Broadband Signal Processing: Concepts and Technologies

Author(s): Koos, C.
Published in: 2023
Publisher: IEEE

Photonic-electronic approaches to ultra-wideband signal processing

Author(s): Koos, C.
Published in: 2020
Publisher: ECOC

Chip-Scale Frequency Combs: Light Sources for Communications, Optical Ranging and Ultra-Broadband Signal Processing

Author(s): Koos, C.
Published in: 2022
Publisher: Microcomb2022 EPFL Network Conference

Apparatus and method for synthesizing a broadband electromagnetic signal

Author(s): Henauer, T., Koos, C., Sherifaj, A., Zwick, T.
Published in: 2022
Publisher: Patent

Photonic-Electronic Signal Processing: Technologies and Applications

Author(s): Koos, C.
Published in: 2024
Publisher: INGEN

Integrierte Photonik - eine Schlüsseltechnik für Sensorik und Kommunikationstechnik

Author(s): Koos, C.
Published in: Issue 18, 2024
Publisher: Koos

First Demonstration of a Cryogenic Silicon Organic Hybrid (SOH) Mach-Zehnder Modulator with a Sub-1V π-Voltage

Author(s): Schwarzenberger, A. Kholeif, H. Kotz, A. Mertens, A. Eschenbaum, C. Ramann, G. Zyskind, J. Lebby, M. Randel, S. Freude, W. Koos, C.
Published in: 2023
Publisher: OSA
DOI: 10.1364/cleo_si.2023.sth5c.7

Integrated Photonics and Photonic-Electronic Signal Processing: Enabling Technologies for Future ICT Infrastructures

Author(s): Koos, C.
Published in: 2023
Publisher: 6G Conference

Silizium-Photonik und optische Hybrid-Integration – Schlüsseltechnologien für Kommunikationstechnik und Sensorik

Author(s): Koos, C.
Published in: 2023
Publisher: Clusterkonferenz

Photonic-Electronic THz Signal Processing: Concepts, Devices, and Applications

Author(s): Koos, C.
Published in: 2021
Publisher: Carl Zeiss AG

Photonic Wirebonding and 3D Nanoprinting in Optical Packaging – from Research to Manufacturing

Author(s): Koos, C., et al.
Published in: 2018
Publisher: Workshop

Photonic Wirebonding - from Lab to Fab

Author(s): Koos, C.; Dietrich, P.-I.; Billah, M. R.; Blaicher, M.; Hoose, T.; Xu, Y.; Trappen, M.; Nesic, A.; Hofmann, A.
Published in: 2018
Publisher: OptecNet Jahrestagung

Optical Frequency Combs: Tools for High-Speed Communications and Optical Distance Metrology

Author(s): Koos, C.; Randel, S.; Freude, W.; Kippenberg, T.J.; Marin, P.; Kemal, J. N.; Trocha, P.; Ganin, D.; Weimann, C.; Wolf, S.; Pfeifle, J.; Karpov, M.; Kordts, A.; Vujicic, V.
Published in: 2018
Publisher: Symposium on Opto- and Microelectronic Devices and Circuits

Photonic-Electronic Arbitrary-Waveform Generation Using Quadrature Multiplexing and Active Optical-Phase Stabilization

Author(s): Fuellner, C.; Sherifaj, A.; Henauer, T.; Fang, D.; Drayss, D.; Harter, T.; Gutema, T. Z.; Zwick, T.; Freude, W.; Randel, S.; Koos, C.
Published in: 2024
Publisher: Nature Communications

Silicon Photonics, Hybrid Integration, and Frequency Combs: Technologies for High-bandwith Communications - Tutorial

Author(s): Koos, C.
Published in: Optical Fiber Communication Conference (OFC'19), San Diego (CA), USA, Issue 2, 2019
Publisher: OFC 2019

Hybrid Integration, Organic Electro-Optic Devices and Frequency Combs: Technologies for Optical Communications and Beyond

Author(s): Koos, C.
Published in: 2022
Publisher: University of Washington

Hybrid Silicon Photonics and Frequency Combs: Technologies for Optical Communications and Wireless THz Transmission

Author(s): Koos, C.
Published in: 2019
Publisher: Huawei Workshop

High-speed optical devices and multiplexing techniques

Author(s): Koos, C.
Published in: Issue 5, 2019
Publisher: OFC

Hybrid silicon photonics and plasmonics: From optical communications to THz signal processing

Author(s): Koos, C.
Published in: 2019
Publisher: ECOC

3D Lithography for Photonic Integration

Author(s): Koos, C.
Published in: 2020
Publisher: EPIC

Hybrid Silicon Photonics, Plasmonics, and 3D Nano-Printing: From High-Speed Communications to THz Signal Proce

Author(s): Koos, C.
Published in: 2019
Publisher: Huawei Workshop

InP/Si3N4 Hybrid External-Cavity Laser With sub-kHz Linewidth Acting as a Pump Source for Kerr Frequency Combs 2022. European Conference on Optical Communication

Author(s): Pascal Maier, Yung Chen, Yilin Xu, Matthias Blaicher, Dimitri Geskus, Ronald Dekker, Junqiu Liu, Philipp-Immanuel Dietrich, Huanfa Peng, Sebastian Randel, Wolfgang Freude, Tobias J. Kippenberg, and Christian Koos
Published in: ECOC2022, 2022
Publisher: OSA

First Demonstration of a Silicon-Organic Hybrid (SOH) Modulator Based on a Long-Term-Stable Crosslinked Electro-Optic Material

Author(s): Schwarzenberger, A. Mertens, A. Kholeif, H. Kotz, A. Eschenbaum, C. Johnson, L. E. Elder, D. L. Hammond, S. R. O'Malley, K. Dalton, L. Randel, S. Freude, W. Koos, C.
Published in: 2023
Publisher: ECOC 2023

Baukastensystem für die optische Aufbau und Verbindungstechnik

Author(s): Koos, C., Maier, P., Schwaab, P., Worgull, M.
Published in: 2023
Publisher: Patent

Frequency-Agile Self-Injection-Locked Lasers With sub-100 Hz Linewidth based on In-Package Photonic Wire Bonds

Author(s): Chen, Y. Lihachev, G. Peng, H. Tian, H. Fang, D. Voloshin, A. Riemensberger, J. Maier, P. Skacel, S. T. Lauermann, M. Attanasio, A. Randel, S. Freude, W. Bhave, S. Kippenberg, T. J. Koos, C.
Published in: 2023
Publisher: OSA
DOI: 10.1364/cleo_si.2023.stu4p.4

Silicon-organic hybrid integration – efficient devices for high-speed communications

Author(s): Zwickel, H.; Kutuvantavida, Y.; Kieninger, C.; Freude, W.; Randel, S.; Koos C.
Published in: 2018
Publisher: Huawei Workshop

Hybrid Photonic Integration and 3D Nano-Printing: Combining Silicon Photonics with Organic Materials

Author(s): Koos, C.; Randel, S.; Freude, W.; Yokoyama, S.; Dalton L.-R.; Zwickel, H.; Kieningera, C.; Wolf S.; Kutuvantavida, Y.; Lauermann, M.; Miura, H.; Qiue, F.; Elder, D.-L.; Ummethala, S.; Billah, M.-R.; Blaicher, M.; Dietrich, P.-I.; Trappen, M.; Hoose, T.
Published in: 2019
Publisher: IEEE

Performance of chip-scale optical frequency comb generators in coherent WDM communications

Author(s): Pablo Marin-Palomo, Juned N. Kemal, Tobias J. Kippenberg, Wolfgang Freude, Sebastian Randel, Christian Koos
Published in: Optics Express, Issue 28/9, 2020, Page(s) 12897, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.380413

Ultra-broadband polarisation beam splitters and rotators based on 3D-printed waveguides

Author(s): Nesic, Aleksandar; Blaicher, Matthias; Marin-Palomo, Pablo; Füllner, Christoph; Randel, Sebastian; Freude, Wolfgang; Koos, Christian
Published in: Light: Advanced Manufacturing, 2023, ISSN 2831-4093
Publisher: Jia Huang Laboratory
DOI: 10.37188/lam.2023.022

3D-printed optical probes for wafer-level testing of photonic integrated circuits

Author(s): Mareike Trappen, Matthias Blaicher, Philipp-Immanuel Dietrich, Colin Dankwart, Yilin Xu, Tobias Hoose, Muhammad Rodlin Billah, Amin Abbasi, Roel Baets, Ute Troppenz, Michael Theurer, Kerstin Wörhoff, Moritz Seyfried, Wolfgang Freude, Christian Koos
Published in: Optics Express, Issue 28/25, 2020, Page(s) 37996, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.405139

Verified equivalent-circuit model for slot-waveguide modulators

Author(s): Heiner Zwickel, Stefan Singer, Clemens Kieninger, Yasar Kutuvantavida, Narek Muradyan, Thorsten Wahlbrink, Shiyoshi Yokoyama, Sebastian Randel, Wolfgang Freude, Christian Koos
Published in: Optics Express, Issue 28/9, 2020, Page(s) 12951, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.383120

Lasing in Si 3 N 4 -organic hybrid (SiNOH) waveguides

Author(s): Daria Kohler, Isabel Allegro, Sentayehu Fetene Wondimu, Lothar Hahn, Wolfgang Freude, Christian Koos
Published in: Optics Express, Issue 28/4, 2020, Page(s) 5085, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.381572

Silicon-organic hybrid (SOH) Mach-Zehnder modulators for 100 GBd PAM4 signaling with sub-1 dB phase-shifter loss

Author(s): Clemens Kieninger, Christoph Füllner, Heiner Zwickel, Yasar Kutuvantavida, Juned N. Kemal, Carsten Eschenbaum, Delwin L. Elder, Larry R. Dalton, Wolfgang Freude, Sebastian Randel, Christian Koos
Published in: Optics Express, Issue 28/17, 2020, Page(s) 24693, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.390315

Field-effect silicon-plasmonic photodetector for coherent T-wave reception

Author(s): S. Muehlbrandt, T. Harter, C. Füllner, S. Ummethala, S. Wolf, A. Bacher, L. Hahn, M. Kohl, W. Freude, C. Koos
Published in: Optics Express, Issue 29/14, 2021, Page(s) 21586, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.425158

Optical Arbitrary Waveform Measurement Using Silicon Photonic Slicing Filters

Author(s): Fang, D., Zazzi, A., Müller, J., Daniel Drayss , Füllner, C., Marin-Palomo, P., Tabatabaei Mashayekh, A., Dipta Das, A., Weizel, M., Gudyriev, S., Freude, W., Randel, S., Scheytt, J. C., Witzens, J. and Koos, C.
Published in: Journal of Lightwave Technology, Issue vol. 40, 2022, ISSN 0733-8724
Publisher: Optical Society of America
DOI: 10.1109/jlt.2021.3130764

Analysis of Kerr comb generation in silicon microresonators under the influence of two-photon absorption and fast free-carrier dynamics

Author(s): P. Trocha, J. Gärtner, P. Marin-Palomo, W. Freude, W. Reichel, C. Koos
Published in: Physical Review A, Issue 103/6, 2021, Page(s) 063515, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/physreva.103.063515

Coherent WDM transmission using quantum-dash mode-locked laser diodes as multi-wavelength source and local oscillator

Author(s): Juned N. Kemal; Pablo Marin-Palomo; Vivek Panapakkam; P. Trocha; Stefan Wolf; Kamel Merghem; Francois Lelarge; Abderrahim Ramdane; Sebastian Randel; Wolfgang Freude; Christian Koos
Published in: https://hal.archives-ouvertes.fr/hal-02919999, Issue 4, 2019, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.48550/arxiv.1909.11174

Ultra-fast optical ranging using quantum-dash mode-locked laser diodes

Author(s): Trocha, Philipp; Kemal, Juned Nassir; Gaimard, Quentin; Aubin, Guy; Lelarge, François; Ramdane, Abderrahim; Freude, Wolfgang; Randel, Sebastian; Koos, Christian
Published in: Scientific Reports, 12 (1), Art.-Nr.: 1076, Issue 20452322, 2022, Page(s) Art.-Nr.: 1076, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-021-04368-4

Hybrid external-cavity lasers (ECL) using photonic wire bonds as coupling elements

Author(s): Yilin Xu, Pascal Maier, Matthias Blaicher, Philipp-Immanuel Dietrich, Pablo Marin-Palomo, Wladislaw Hartmann, Yiyang Bao, Huanfa Peng, Muhammad Rodlin Billah, Stefan Singer, Ute Troppenz, Martin Moehrle, Sebastian Randel, Wolfgang Freude & Christian Koos
Published in: Scientific reports, Issue 20452322, 2021, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-021-95981-w

Superconducting nanowire single-photon detector with 3D-printed free-form microlenses

Author(s): Yilin Xu, Artem Kuzmin, Emanuel Knehr, Matthias Blaicher, Konstantin Ilin, Philipp-Immanuel Dietrich, Wolfgang Freude, Michael Siegel, and Christian Koos
Published in: Opt. Express 29, Issue 10944087, 2021, Page(s) 27708-27731, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.427639

Multi-wavelength coherent transmission using an optical frequency comb as a local oscillator

Author(s): Juned N. Kemal, Joerg Pfeifle, Pablo Marin-Palomo, M. Deseada Gutierrez Pascual, Stefan Wolf, Frank Smyth, Wolfgang Freude, Christian Koos
Published in: Optics Express, Issue 24/22, 2016, Page(s) 25432, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.24.025432

32QAM WDM transmission at 12 Tbit/s using a quantum-dash mode-locked laser diode (QD-MLLD) with external-cavity feedback

Author(s): Juned N. Kemal, Pablo Marin-Palomo, Kamel Merghem, Guy Aubin, François Lelarge, Abderrahim Ramdane, Sebastian Randel, Wolfgang Freude, Christian Koos
Published in: Optics Express, Issue 28/16, 2020, Page(s) 23594, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.392007

3D-printed facet-attached microlenses for advanced photonic system assembly

Author(s): Xu, Yilin; Maier, Pascal; Trappen, Mareike; Dietrich, Philipp-Immanuel; Blaicher, Matthias; Jutas, Rokas; Weber, Achim; Kind, Torben; Dankwart, Colin; Stephan, Jens; Steffan, Andreas; Abbasi, Amin; Morrissey, Padraic; Gradkowski, Kamil; Kelly, Brian; O’Brien, Peter; Freude, Wolfgang; Koos, Christian
Published in: Light: Advanced Manufacturing, 2023, ISSN 2831-4093
Publisher: Ji Hua Laboratory
DOI: 10.37188/lam.2023.003

Fundamental limitations of spectrally-sliced optically enabled data converters arising from MLL timing jitter

Author(s): Andrea Zazzi, Juliana Müller, Sergiy Gudyriev, Pablo Marin-Palomo, Dengyang Fang, J. Christoph Scheytt, Christian Koos, Jeremy Witzens
Published in: Optics Express, Issue 28/13, 2020, Page(s) 18790, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.382832

3D-printed facet-attached optical elements for connecting VCSEL and photodiodes to fiber arrays and multi-core fibers

Author(s): Pascal Maier; Yilin Xu; Mareike Trappen; Matthias Lauermann; Alexandra Henniger-Ludwig; Hermann Kapim; Torben Kind; Philipp-Immanuel Dietrich; Achim Weber; Matthias Blaicher; Clemens Wurster; Sebastian Randel; Wolfgang Freude; Christian Koos
Published in: Opt. Express 30, 46602-46625, 2022, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.5445/ir/1000153694

Hybrid integration of silicon photonics circuits and InP lasers by photonic wire bonding

Author(s): Muhammad Rodlin Billah, Matthias Blaicher, Tobias Hoose, Philipp-Immanuel Dietrich, Pablo Marin-Palomo, Nicole Lindenmann, Aleksandar Nesic, Andreas Hofmann, Ute Troppenz, Martin Moehrle, Sebastian Randel, Wolfgang Freude, Christian Koos
Published in: Optica, Issue 5/7, 2018, Page(s) 876, ISSN 2334-2536
Publisher: OSA
DOI: 10.1364/optica.5.000876

Demonstration of long-term thermally stable silicon-organic hybrid modulators at 85 °C

Author(s): Clemens Kieninger, Yasar Kutuvantavida, Hiroki Miura, Juned N. Kemal, Heiner Zwickel, Feng Qiu, Matthias Lauermann, Wolfgang Freude, Sebastian Randel, Shiyoshi Yokoyama, Christian Koos
Published in: Optics Express, Issue 26/21, 2018, Page(s) 27955, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.26.027955

Comb-based WDM transmission at 10 Tbit/s using a DC-driven quantum-dash mode-locked laser diode

Author(s): Pablo Marin-Palomo, Juned N. Kemal, Philipp Trocha, Stefan Wolf, Kamel Merghem, François Lelarge, Abderrahim Ramdane, Wolfgang Freude, Sebastian Randel, Christian Koos
Published in: Optics Express, Issue 27/22, 2019, Page(s) 31110, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.27.031110

Coherent WDM transmission using quantum-dash mode-locked laser diodes as multi-wavelength source and local oscillator

Author(s): Juned N. Kemal, Pablo Marin-Palomo, Vivek Panapakkam, Philipp Trocha, Stefan Wolf, Kamel Merghem, François Lelarge, Abderrahim Ramdane, Sebastian Randel, Wolfgang Freude, Christian Koos
Published in: Optics Express, Issue 27/22, 2019, Page(s) 31164, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.27.031164

THz-to-optical conversion in wireless communications using an ultra-broadband plasmonic modulator

Author(s): S. Ummethala, T. Harter, K. Koehnle, Z. Li, S. Muehlbrandt, Y. Kutuvantavida, J. Kemal, P. Marin-Palomo, J. Schaefer, A. Tessmann, S. K. Garlapati, A. Bacher, L. Hahn, M. Walther, T. Zwick, S. Randel, W. Freude, C. Koos
Published in: Nature Photonics, Issue 13/8, 2019, Page(s) 519-524, ISSN 1749-4885
Publisher: Nature Pub. Group
DOI: 10.1038/s41566-019-0475-6

Electrically packaged silicon-organic hybrid (SOH) I/Q-modulator for 64 GBd operation

Author(s): Heiner Zwickel, Juned N. Kemal, Clemens Kieninger, Yasar Kutuvantavida, Jonas Rittershofer, Matthias Lauermann, Wolfgang Freude, Sebastian Randel, Christian Koos
Published in: Optics Express, Issue 26/26, 2018, Page(s) 34580, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.26.034580

Ultra-high electro-optic activity demonstrated in a silicon-organic hybrid modulator

Author(s): Clemens Kieninger, Yasar Kutuvantavida, Delwin L. Elder, Stefan Wolf, Heiner Zwickel, Matthias Blaicher, Juned N. Kemal, Matthias Lauermann, Sebastian Randel, Wolfgang Freude, Larry R. Dalton, Christian Koos
Published in: Optica, Issue 5/6, 2018, Page(s) 739, ISSN 2334-2536
Publisher: OSA
DOI: 10.1364/optica.5.000739

Wireless THz link with optoelectronic transmitter and receiver

Author(s): Tobias Harter, Sandeep Ummethala, Matthias Blaicher, Sascha Muehlbrandt, Stefan Wolf, Marco Weber, Md Mosaddek Hossain Adib, Juned. N. Kemal, Marco Merboldt, Florian Boes, Simon Nellen, Axel Tessmann, Martin Walther, Björn Globisch, Thomas Zwick, Wolfgang Freude, Sebastian Randel, Christian Koos
Published in: Optica, Issue 6/8, 2019, Page(s) 1063, ISSN 2334-2536
Publisher: OSA
DOI: 10.1364/OPTICA.6.001063

Photonic-integrated circuits with non-planar topologies realized by 3D-printed waveguide overpasses

Author(s): Aleksandar Nesic, Matthias Blaicher, Tobias Hoose, Andreas Hofmann, Matthias Lauermann, Yasar Kutuvantavida, Martin Nöllenburg, Sebastian Randel, Wolfgang Freude, Christian Koos
Published in: Optics Express, Issue 27/12, 2019, Page(s) 17402, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.27.017402

Transformation-optics modeling of 3D-printed freeform waveguides

Author(s): Aleksandar Nesic; Matthias Blaicher; Emilio Orlandini; Tudor Olariu; Maria Paszkiewicz; Fernando Negredo; Pascal Kraft; Mariia Sukhova; Andreas Hofmann; Willy Dörfler; Carsten Rockstuhl; Wolfgang Freude; Christian Koos
Published in: Crossref, Issue 1, 2022, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.48550/arxiv.2201.09807

3D-printed facet-attached optical elements for beam shaping in optical phased arrays

Author(s): Stefan Singer; Yilin Xu; Sebastian Tobias Skacel; Yiyang Bao; Heiner Zwickel; Pascal Maier; Lukas Freter; Philipp-Immanuel Dietrich; Mathias Kaschel; Christoph Menzel; Sebastian Randel; Wolfgang Freude; Christian Koos
Published in: Opt. Express 30, 46564-46574, 2022, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.48550/arxiv.2203.12989

Hybrid multi-chip assembly of optical communication engines by in situ 3D nano-lithography

Author(s): Matthias Blaicher, Muhammad Rodlin Billah, Juned Kemal, Tobias Hoose, Pablo Marin-Palomo, Andreas Hofmann, Yasar Kutuvantavida, Clemens Kieninger, Philipp-Immanuel Dietrich, Matthias Lauermann, Stefan Wolf, Ute Troppenz, Martin Moehrle, Florian Merget, Sebastian Skacel, Jeremy Witzens, Sebastian Randel, Wolfgang Freude, Christian Koos
Published in: Light: Science & Applications, Issue 9/1, 2020, Page(s) 71, ISSN 2047-7538
Publisher: Light: Science & Applications
DOI: 10.1038/s41377-020-0272-5

Hybrid electro-optic modulator combining silicon photonic slot waveguides with high-k radio-frequency slotlines

Author(s): Sandeep Ummethala, Juned N. Kemal, Ahmed S. Alam, Matthias Lauermann, Artem Kuzmin, Yasar Kutuvantavida, Sree H. Nandam, Lothar Hahn, Delwin L. Elder, Larry R. Dalton, Thomas Zwick, Sebastian Randel, Wolfgang Freude, Christian Koos
Published in: Optica, Issue 8/4, 2021, Page(s) 511, ISSN 2334-2536
Publisher: OSA
DOI: 10.1364/optica.411161

Generalized Kramers–Kronig receiver for coherent terahertz communications

Author(s): T. Harter, C. Füllner, J. N. Kemal, S. Ummethala, J. L. Steinmann, M. Brosi, J. L. Hesler, E. Bründermann, A.-S. Müller, W. Freude, S. Randel, C. Koos
Published in: Nature Photonics, Issue 14/10, 2020, Page(s) 601-606, ISSN 1749-4885
Publisher: Nature Pub. Group
DOI: 10.1038/s41566-020-0675-0

Surface sensing with integrated optical waveguides: a design guideline

Author(s): Johannes Milvich, Daria Kohler, Wolfgang Freude, Christian Koos
Published in: Optics Express, Issue 26/16, 2018, Page(s) 19885, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.26.019885

Sub-kHz-Linewidth External-Cavity Laser (ECL) With Si<sub>3</sub>N<sub>4</sub> Resonator Used as a Tunable Pump for a Kerr Frequency Comb

Author(s): Pascal Maier; Yung Chen; Yilin Xu; Yiyang Bao; Matthias Blaicher; Dimitri Geskus; Ronald Dekker; Junqiu Liu; Philipp-Immanuel Dietrich; Huanfa Peng; Sebastian Randel; Wolfgang Freude; Tobias J. Kippenberg; Christian Koos
Published in: Journal of Lightwave Technology, 2023, ISSN 1558-2213
Publisher: OSA
DOI: 10.1109/jlt.2023.3243471

Wireless Terahertz Communications: Optoelectronic Devices and Signal Processing

Author(s): Harter, Tobias
Published in: Karlsruhe Series in Photonics and Communications / Karlsruhe Institute of Technology, Institute of Photonics and Quantum Electronics (IPQ), Issue 18651100, 2021, ISSN 1865-1100
Publisher: KIT Scientific Publishing
DOI: 10.5445/ksp/1000128941

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