Terahertz Waveform Synthesis and Analysis Using Hybrid Photonic-Electronic Circuits

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

Autori: 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
Pubblicato in: Optical Fiber Communication Conference (OFC) 2022, San Diego, CA, USA, 2022, Pagina/e Art.-Nr.: W2A.1, ISBN 978-1-55752-466-9
Editore: Optica Publishing Group (OSA)
DOI: 10.1364/ofc.2022.w2a.1

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

Autori: Matalla, P.; Mahmud, M. S.; Fuellner, C.; Koos, C.; Freude, W.; Randel, S.
Pubblicato in: 2021
Editore: OFC

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

Autori: 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.
Pubblicato in: 2020 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS’20), Numero November 16-19, 2020, 2020, Pagina/e paper 4a.1
Editore: IEEE
DOI: 10.5445/ir/1000129764

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

Autori: 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
Pubblicato in: Optical Fiber Communication Conference (OFC) 2020, 2020, Pagina/e M4H.6, ISBN 978-1-943580-71-2
Editore: OSA
DOI: 10.1364/ofc.2020.m4h.6

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

Autori: Koos, C.
Pubblicato in: 2019
Editore: ISUPT

Comparison of Electronic and Optoelectronic Signal Generation for Wireless THz Communications

Autori: Dittmer, J.; Matalla, P.; Fuellner, C.; Wagner, S.; Tessmann, A.; Koos, C.; Randel, S.
Pubblicato in: 2023
Editore: VDE Verlag

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

Autori: 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.
Pubblicato in: Light: Science & Applications, Light Conference (Light Conference'19), Changchun, China, July 16-18, Numero 7, 2019
Editore: Light: Science & Applications

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

Autori: Krimmer, J.; Vliet, V. v.; Hout, M. v. d.; Heide, S. v. d.; Bradley, T.; Koos, C.; Freude, W.; Okonkwo, C.; Randel, S.
Pubblicato in: 2023
Editore: COAT

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

Autori: 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
Pubblicato in: 2022, ISBN 978-1-957171-15-9
Editore: IEEE

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

Autori: 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.
Pubblicato in: 2024
Editore: OFC

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

Autori: Harter, T.; Muehlbrandt, S.; Ummethala, S.; Schmid, A.; Hahn, L.; Freude, W.; Koos, C.
Pubblicato in: 2018
Editore: Nat. Photonics

PAM-4 Driver Amplifier using Distributed Power Combining

Autori: Bohn, C.; Hebeler, J.; Koos, C.; Zwick, T.; Ulusoy, A. Ç.
Pubblicato in: 2021
Editore: IMS

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

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

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

Autori: [36] Dietrich, P.-I-; Göring, G.; Trappen, M.; Blaicher, M.; Freude, W.; Schimmel, T.; Hölscher, H.; Koos, C.
Pubblicato in: 2019
Editore: Small

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

Autori: 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
Pubblicato 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, Pagina/e paper M2I.1., ISBN 978-1-55752-466-9
Editore: 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

Autori: 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.
Pubblicato in: 2024
Editore: OFC

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

Autori: Schwarzenberger, A., Kuzmin, A., Eschenbaum, C., Füllner, C., Mertens, A., Johnson, L. E., Elder, D.L., Randel, S., Freude, W., Koos, C.
Pubblicato in: 2022
Editore: European Conference on Optical Communication

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

Autori: Daniel Drayss, Dengyang Fang, Christoph Füllner, Artem Kuzmin, Wolfgang Freude, Sebastian Randel, and Christian Koos
Pubblicato in: 2022, ISBN 978-1-957171-15-9
Editore: IEEE

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

Autori: 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.
Pubblicato in: 2024
Editore: OFC

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

Autori: 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.
Pubblicato in: 2021 European Conference on Optical Communication (ECOC), 2021, Pagina/e pp. 1-4, ISBN 978-1-6654-3868-1
Editore: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/ecoc52684.2021.9606090

Horizontal-Slot Plasmonic-Organic Hybrid (POH) Modulator

Autori: Sandeep Ummethala, Venkata Anirudh Pammi, Ahsan H. M. Uddin, Lothar Hahn, Wolfgang Freude, Christian Koos
Pubblicato in: Conference on Lasers and Electro-Optics, 2020, Pagina/e SM2J.4, ISBN 978-1-943580-76-7
Editore: OSA
DOI: 10.1364/cleo_si.2020.sm2j.4

A verified equivalent-circuit model for slot-waveguide modulators

Autori: [32] Zwickel, H.; Singer, S.; Kieninger, C.; Kutuvantavida, Y.; Muradyan, N.; Wahlbrink, T.; Yokoyama, S.; Freude, W., and Koos, C.
Pubblicato in: 2020
Editore: Opt. Express

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

Autori: Schwaab, P.; Maier, P.; Bao, Y., Singer, S.; Worgull, M.; Freude, W; Koos, C.
Pubblicato in: 2024
Editore: CLEO

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

Autori: Henauer, Thomas; Sherifaj, Alban; Füllner, Christoph; Freude, Wolfgang; Randel, Sebastian; Zwick, Thomas; Koos, Christian
Pubblicato in: Optical Fiber Communication Conference (OFC) 2022, San Diego, CA, USA, 2022, Pagina/e Art.-Nr.: M2I.2, ISBN 978-1-55752-466-9
Editore: 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)

Autori: Bao, Y.; Paszkiewicz, M.; Krimmer, J.; Freude, W.; Randel, S.; Rockstuhl, C.; Koos, C.
Pubblicato in: 2024
Editore: CLEO

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

Autori: Mareike Trappen, Philipp-Immanuel Dietrich, Pascal Burger, Matthias Blaicher, Gerald Goring, Thomas Schimmel, Wolfgang Freude, Hendrik Holscher, Christian Koos
Pubblicato in: Conference on Lasers and Electro-Optics, 2020, Pagina/e SM2N.7, ISBN 978-1-943580-76-7
Editore: OSA
DOI: 10.1364/cleo_si.2020.sm2n.7

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

Autori: 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.
Pubblicato in: 2019
Editore: Light: Science & Applications

Integrated phase-sensitive photonic sensors: A system design tutorial

Autori: Milvich, J.; Kohler, D.; Freude, W.; and Koos, C.
Pubblicato in: 2021
Editore: Adv. Opt. Photonics

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

Autori: 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.
Pubblicato in: Optica, 2023
Editore: Optica
DOI: 10.1364/optica.484200

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

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

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

Autori: 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.
Pubblicato in: 2024
Editore: CLEO

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

Autori: C. Füllner; D. Fang; P. Matalla; W. Freude; C. Koos; S. Randel
Pubblicato in: European Conference on Optical Communication (ECOC 2021), Bordeaux, France, 2021, Pagina/e 1-4, ISBN 978-1-66543-868-1
Editore: 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

Autori: 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.
Pubblicato in: 2024
Editore: OFC

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

Autori: 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.
Pubblicato in: Optical Fiber Communication Conference (OFC'21), San Diego (CA), USA, June 6 – 11, 2021, Numero June 6-11, 2021, 2021, Pagina/e F2E.G
Editore: The Optical Society of America (OSA)

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

Autori: Kieninger, C.; Fuellner, C.; Zwickel, H.; Kutuvantavida, Y.; Kemal, J. N.; Eschenbaum, C.; Freude, W.; Randel, S.; Koos, C.
Pubblicato in: Optical Fiber Communication Conference (OFC'20), San Diego (CA), USA, Numero 8.03.–12.03.2020, 2020, Pagina/e paper Th3C.3
Editore: OFC
DOI: 10.5445/ir/1000083036

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

Autori: v. Vangerow, C.; Bohn, C.; Zwickel, H.; Koos, C.; Zwick, T.
Pubblicato in: 2019
Editore: IEEE

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

Autori: 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
Pubblicato in: 2022, ISBN 978-1-957171-05-0
Editore: 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

Autori: 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.
Pubblicato in: 2024
Editore: OFC

Optic-Electronic-Optic Interferometer on an Indium Phosphide Platform

Autori: Mahmud, Md. S.; Matalla, P.; Dittmer, J.; Schindler, A.; Runge, P.; Koos, C.; Randel, S.
Pubblicato in: 2024
Editore: CLEO

Opto-Electronic Terahertz Transceivers for Wireless 5G Backhaul

Autori: Randel, S.; Harter, T.; Fuellner, C.; Ummethala, S.; Koos, C.; Freude, W.
Pubblicato in: Optical Fiber Communication Conference (OFC’20), San Diego (CA), USA, Numero March 08–12, 2020, 2020, Pagina/e paper M4I.6
Editore: OSA

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

Autori: 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.
Pubblicato in: 2018
Editore: Nat. Photonics

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

Autori: Fullner, Christoph; Sherifaj, Alban; Henauer, Thomas; Fang, Dengyang; Drayss, Daniel; Freude, Wolfgang; Koos, Christian; Randel, Sebastian
Pubblicato 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
Editore: 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

Autori: Kohler, D.; Schindler, G.; Hahn, L.; Milvich, J.; Hofmann, A.; Länge, K.; Freude, W.; Koos, C.
Pubblicato in: 2021
Editore: Light: Science & Applications

3D-Printed Optics for Wafer-Scale Probing

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

Hardwired Configurable Photonic Integrated Circuits Enabled by 3D Nanoprinting

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

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

Autori: 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
Pubblicato in: 2018 European Conference on Optical Communication (ECOC), 2018, Pagina/e 1-3, ISBN 978-1-5386-4862-9
Editore: IEEE
DOI: 10.1109/ecoc.2018.8535490

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

Autori: 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
Pubblicato in: 2018 European Conference on Optical Communication (ECOC), 2018, Pagina/e 1-2, ISBN 978-1-5386-4862-9
Editore: IEEE
DOI: 10.1109/ecoc.2018.8535426

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

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

Silicon Photonics for Coherent Terahertz Generation and Detection

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

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

Autori: 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
Pubblicato in: 45th European Conference on Optical Communication (ECOC 2019), 2019, Pagina/e 266 (4 pp.)-266 (4 pp.), ISBN 978-1-83953-185-9
Editore: Institution of Engineering and Technology
DOI: 10.1049/cp.2019.1000

Wireless terahertz communications using optoelectronic techniques

Autori: 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.
Pubblicato in: Progress in Electromagnetics Research Symposium 2018 (PIERS 2018), Toyama, Japan, Numero August 1-4, 2018, 2018, Pagina/e SC3 & SC4
Editore: IEEE
DOI: 10.5445/ir/1000105507

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

Autori: 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
Pubblicato in: CLEO Pacific Rim Conference, 2018, Pagina/e W4J.1, ISBN 978-1-943580-45-3
Editore: OSA
DOI: 10.1364/cleopr.2018.w4j.1

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

Autori: Matthias Blaicher, Muhammad Rodlin Billah, Tobias Hoose, Philipp-Immanuel Dietrich, Andreas Hofmann, Sebastian Randel, Wolfgang Freude, Christian Koos
Pubblicato in: Conference on Lasers and Electro-Optics, 2018, Pagina/e STh1A.1, ISBN 978-1-943580-42-2
Editore: OSA
DOI: 10.1364/cleo_si.2018.sth1a.1

Terahertz-to-Optical Conversion Using a Plasmonic Modulator

Autori: 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
Pubblicato in: Conference on Lasers and Electro-Optics, 2018, Pagina/e STu3D.4, ISBN 978-1-943580-42-2
Editore: 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

Autori: C. Kieninger, Y. Kutuvantavida, J. N. Kemal, H. Zwickel, H. Miura, S. Randel, W. Freude, S. Yokoyama, C. Koos
Pubblicato in: Conference on Lasers and Electro-Optics, 2018, Pagina/e SM3B.3, ISBN 978-1-943580-42-2
Editore: OSA
DOI: 10.1364/cleo_si.2018.sm3b.3

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

Autori: H. Zwickel, J. N. Kemal, C. Kieninger, Y. Kutuvantavida, M. Lauermann, J. Rittershofer, R. Pajković, D. Lindt, S. Randel, W. Freude, C. Koos
Pubblicato in: Conference on Lasers and Electro-Optics, 2018, Pagina/e SM3B.1, ISBN 978-1-943580-42-2
Editore: OSA
DOI: 10.1364/cleo_si.2018.sm3b.1

Wireless Terahertz Communications

Autori: 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
Pubblicato in: 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2019, Pagina/e 1-1, ISBN 978-1-7281-0469-0
Editore: IEEE
DOI: 10.1109/cleoe-eqec.2019.8873098

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

Autori: Koos, C.
Pubblicato in: Optical Fiber Communication Conference (OFC'19), San Diego (CA), USA, Numero 03.–07.03.2019, 2019, Pagina/e W3E.1
Editore: OSA
DOI: 10.5445/ir/1000129769

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

Autori: 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
Pubblicato in: Conference on Lasers and Electro-Optics, 2019, Pagina/e JTh5B.2, ISBN 978-1-943580-57-6
Editore: OSA
DOI: 10.1364/cleo_at.2019.jth5b.2

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

Autori: P. Matalla, M. S. Mahmud, C. Koos, S. Randel
Pubblicato in: 49th European Conference on Optical Communications (ECOC 2023), 2024
Editore: 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

Autori: Harter, T.; Fuellner, C.; Kemal, J. N.; Ummethala, S.; Brosi, J.-M.; Bruendermann, E.; Freude, W.; Randel, S.; Koos, C.
Pubblicato in: 2018
Editore: ECOC

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

Autori: Adib, M. M. H.; Fuellner, C.; Koos, C.; Freude, W.; Randel, S.
Pubblicato in: 2022
Editore: APC

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

Autori: Md Salek Mahmud, Patrick Matalla, Md Mosaddek Hossain Adib, Christian Koos, Sebastian Randel
Pubblicato in: CLEO 2023, 2023
Editore: Optica Publishing Group
DOI: 10.1364/cleo_si.2023.sm2i.6

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

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

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

Autori: Gärtner, J.; Trocha, P.; Mandel, R.; Koos, C.; Jahnke, T.; Reichel, W.
Pubblicato in: 2019
Editore: Phys. Rev.

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

Autori: Freude, W.; Kotz, A.; Kholeif, H.; Schwarzenberger, A.; Kuzmin, A.; Eschenbaum, C.; Mertens, A.; Sarwar, S.; Erk, P.; Bräse, S.; Koos, C.
Pubblicato in: 2024
Editore: IEEE

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

Autori: 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.
Pubblicato in: 2024
Editore: ECOC

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

Autori: Adib, M. M. H.; Fuellner, C.; Schwarzenberger, A.; Koos, C.; Freude, W.; Randel, S.
Pubblicato in: 2021
Editore: APC

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

Autori: 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.
Pubblicato in: 2024
Editore: OFC

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

Autori: Adib, M. M. H.; Fuellner, C.; Marin-Palomo, P.; Ramdane, A.; Koos, C.; Freude, W.; Randel, S.; Kemal, J. N.
Pubblicato in: 2022
Editore: Lightwave Technol.

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

Autori: Foroutan-Barenji, S.; Krimmer, J.; Freude, W.; Koos, C.
Pubblicato in: 2024
Editore: ECIO24

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

Autori: P. Maier, C. Bremauer, Y. Bao, Y. Xu, D. Ganin, S. Randel, W. Freude, and C. Koos
Pubblicato in: 2022, ISBN 978-1-957171-05-0
Editore: 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

Autori: [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.
Pubblicato in: 2021
Editore: Appl. Opt.

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

Autori: 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.
Pubblicato in: 2024
Editore: Light: Science & Applications

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

Autori: 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.
Pubblicato in: 2023
Editore: arxiv

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

Autori: Koos, C.
Pubblicato in: 2023
Editore: EuMW

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

Autori: 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.
Pubblicato in: 2021
Editore: International Workshop on Mobile THz Systems (IWMTS)

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

Autori: Koos, C.
Pubblicato in: 2022
Editore: ams-OSRAM International GmbH

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

Autori: Koos, C., et al.
Pubblicato in: 2018
Editore: "Helmholtz Programme ""Matter and Technologies"""

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

Autori: 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.
Pubblicato in: 2024
Editore: Light: Science & Applications

Thin-film lithium tantalate modulators for high-speed communications

Autori: Wang, C.; Fang, D.; Zhang, J.; Kotz, A.; Lihachev, G.; Churaev, M.; Li, Z.; Schwarzenberger, A.; Ou, X.; Koos, C.; Kippenberg, T.
Pubblicato in: 2024
Editore: Optica

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

Autori: Drayß, D., Fang, D., Koos, C.
Pubblicato in: 2022
Editore: Patent

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

Autori: 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.
Pubblicato in: 2023
Editore: OSA
DOI: 10.1364/cleo_si.2023.sth5c.8

Integrierte Photonik - eine Schlüsseltechnik für Sensorik und Kommunikationstechnik

Autori: Koos, C.
Pubblicato in: 2022
Editore: Universität Stuttgart

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

Autori: 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.
Pubblicato in: 2023
Editore: OSA
DOI: 10.1364/cleo_si.2023.sth3j.1

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

Autori: Koos, C.
Pubblicato in: 2018
Editore: Keysight in Network Data Center

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

Autori: Koos, C.
Pubblicato in: 2019
Editore: ePIXfab

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

Autori: Koos, C.
Pubblicato in: 2022
Editore: Huawei Technology Saloon by Distinguished Professors

Photonic Wirebonding and 3D Nanoprinting for Optical Packaging and Assembly

Autori: Koos, C.
Pubblicato in: 2018
Editore: CIOE

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

Autori: Koos, C.
Pubblicato in: 2020
Editore: ECIO

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

Autori: Drayss, Daniel; Fang, Dengyang; Füllner, Christoph; Freude, Wolfgang; Randel, Sebastian; Koos, Christian
Pubblicato in: 2023
Editore: IEEE
DOI: 10.48550/arxiv.2310.17662

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

Autori: Freude, W. Harter, T. Muehlbrandt, S. Ummethala, S. Fang, D. Randel, S. Koos, C.
Pubblicato in: 2023
Editore: APC-Networks 2023
DOI: 10.1364/networks.2023.nem4b.4

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

Autori: 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.
Pubblicato in: 2023
Editore: ECOC 2023

Photonic Wirebonding and 3D Nanoprinting for Optical Packaging and Assembly

Autori: Koos, C. et al.
Pubblicato in: 2019
Editore: OFC

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

Autori: Koos, C.
Pubblicato in: 2021
Editore: Huaweu Strategy and Technology Workshop

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

Autori: Koos, C.
Pubblicato in: 2023
Editore: IEEE

Photonic-electronic approaches to ultra-wideband signal processing

Autori: Koos, C.
Pubblicato in: 2020
Editore: ECOC

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

Autori: Koos, C.
Pubblicato in: 2022
Editore: Microcomb2022 EPFL Network Conference

Apparatus and method for synthesizing a broadband electromagnetic signal

Autori: Henauer, T., Koos, C., Sherifaj, A., Zwick, T.
Pubblicato in: 2022
Editore: Patent

Photonic-Electronic Signal Processing: Technologies and Applications

Autori: Koos, C.
Pubblicato in: 2024
Editore: INGEN

Integrierte Photonik - eine Schlüsseltechnik für Sensorik und Kommunikationstechnik

Autori: Koos, C.
Pubblicato in: Numero 18, 2024
Editore: Koos

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

Autori: Schwarzenberger, A. Kholeif, H. Kotz, A. Mertens, A. Eschenbaum, C. Ramann, G. Zyskind, J. Lebby, M. Randel, S. Freude, W. Koos, C.
Pubblicato in: 2023
Editore: OSA
DOI: 10.1364/cleo_si.2023.sth5c.7

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

Autori: Koos, C.
Pubblicato in: 2023
Editore: 6G Conference

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

Autori: Koos, C.
Pubblicato in: 2023
Editore: Clusterkonferenz

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

Autori: Koos, C.
Pubblicato in: 2021
Editore: Carl Zeiss AG

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

Autori: Koos, C., et al.
Pubblicato in: 2018
Editore: Workshop

Photonic Wirebonding - from Lab to Fab

Autori: Koos, C.; Dietrich, P.-I.; Billah, M. R.; Blaicher, M.; Hoose, T.; Xu, Y.; Trappen, M.; Nesic, A.; Hofmann, A.
Pubblicato in: 2018
Editore: OptecNet Jahrestagung

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

Autori: 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.
Pubblicato in: 2018
Editore: Symposium on Opto- and Microelectronic Devices and Circuits

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

Autori: Fuellner, C.; Sherifaj, A.; Henauer, T.; Fang, D.; Drayss, D.; Harter, T.; Gutema, T. Z.; Zwick, T.; Freude, W.; Randel, S.; Koos, C.
Pubblicato in: 2024
Editore: Nature Communications

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

Autori: Koos, C.
Pubblicato in: Optical Fiber Communication Conference (OFC'19), San Diego (CA), USA, Numero 2, 2019
Editore: OFC 2019

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

Autori: Koos, C.
Pubblicato in: 2022
Editore: University of Washington

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

Autori: Koos, C.
Pubblicato in: 2019
Editore: Huawei Workshop

High-speed optical devices and multiplexing techniques

Autori: Koos, C.
Pubblicato in: Numero 5, 2019
Editore: OFC

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

Autori: Koos, C.
Pubblicato in: 2019
Editore: ECOC

3D Lithography for Photonic Integration

Autori: Koos, C.
Pubblicato in: 2020
Editore: EPIC

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

Autori: Koos, C.
Pubblicato in: 2019
Editore: 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

Autori: 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
Pubblicato in: ECOC2022, 2022
Editore: OSA

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

Autori: 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.
Pubblicato in: 2023
Editore: ECOC 2023

Baukastensystem für die optische Aufbau und Verbindungstechnik

Autori: Koos, C., Maier, P., Schwaab, P., Worgull, M.
Pubblicato in: 2023
Editore: Patent

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

Autori: 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.
Pubblicato in: 2023
Editore: OSA
DOI: 10.1364/cleo_si.2023.stu4p.4

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

Autori: Zwickel, H.; Kutuvantavida, Y.; Kieninger, C.; Freude, W.; Randel, S.; Koos C.
Pubblicato in: 2018
Editore: Huawei Workshop

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

Autori: 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.
Pubblicato in: 2019
Editore: IEEE

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

Autori: Pablo Marin-Palomo, Juned N. Kemal, Tobias J. Kippenberg, Wolfgang Freude, Sebastian Randel, Christian Koos
Pubblicato in: Optics Express, Numero 28/9, 2020, Pagina/e 12897, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.380413

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

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

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

Autori: 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
Pubblicato in: Optics Express, Numero 28/25, 2020, Pagina/e 37996, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.405139

Verified equivalent-circuit model for slot-waveguide modulators

Autori: Heiner Zwickel, Stefan Singer, Clemens Kieninger, Yasar Kutuvantavida, Narek Muradyan, Thorsten Wahlbrink, Shiyoshi Yokoyama, Sebastian Randel, Wolfgang Freude, Christian Koos
Pubblicato in: Optics Express, Numero 28/9, 2020, Pagina/e 12951, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.383120

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

Autori: Daria Kohler, Isabel Allegro, Sentayehu Fetene Wondimu, Lothar Hahn, Wolfgang Freude, Christian Koos
Pubblicato in: Optics Express, Numero 28/4, 2020, Pagina/e 5085, ISSN 1094-4087
Editore: 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

Autori: 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
Pubblicato in: Optics Express, Numero 28/17, 2020, Pagina/e 24693, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.390315

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

Autori: S. Muehlbrandt, T. Harter, C. Füllner, S. Ummethala, S. Wolf, A. Bacher, L. Hahn, M. Kohl, W. Freude, C. Koos
Pubblicato in: Optics Express, Numero 29/14, 2021, Pagina/e 21586, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.425158

Optical Arbitrary Waveform Measurement Using Silicon Photonic Slicing Filters

Autori: 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.
Pubblicato in: Journal of Lightwave Technology, Numero vol. 40, 2022, ISSN 0733-8724
Editore: 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

Autori: P. Trocha, J. Gärtner, P. Marin-Palomo, W. Freude, W. Reichel, C. Koos
Pubblicato in: Physical Review A, Numero 103/6, 2021, Pagina/e 063515, ISSN 2469-9926
Editore: 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

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

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

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

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

Autori: 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
Pubblicato in: Scientific reports, Numero 20452322, 2021, ISSN 2045-2322
Editore: Nature Publishing Group
DOI: 10.1038/s41598-021-95981-w

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

Autori: Yilin Xu, Artem Kuzmin, Emanuel Knehr, Matthias Blaicher, Konstantin Ilin, Philipp-Immanuel Dietrich, Wolfgang Freude, Michael Siegel, and Christian Koos
Pubblicato in: Opt. Express 29, Numero 10944087, 2021, Pagina/e 27708-27731, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.427639

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

Autori: Juned N. Kemal, Joerg Pfeifle, Pablo Marin-Palomo, M. Deseada Gutierrez Pascual, Stefan Wolf, Frank Smyth, Wolfgang Freude, Christian Koos
Pubblicato in: Optics Express, Numero 24/22, 2016, Pagina/e 25432, ISSN 1094-4087
Editore: 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

Autori: Juned N. Kemal, Pablo Marin-Palomo, Kamel Merghem, Guy Aubin, François Lelarge, Abderrahim Ramdane, Sebastian Randel, Wolfgang Freude, Christian Koos
Pubblicato in: Optics Express, Numero 28/16, 2020, Pagina/e 23594, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.392007

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

Autori: 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
Pubblicato in: Light: Advanced Manufacturing, 2023, ISSN 2831-4093
Editore: Ji Hua Laboratory
DOI: 10.37188/lam.2023.003

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

Autori: Andrea Zazzi, Juliana Müller, Sergiy Gudyriev, Pablo Marin-Palomo, Dengyang Fang, J. Christoph Scheytt, Christian Koos, Jeremy Witzens
Pubblicato in: Optics Express, Numero 28/13, 2020, Pagina/e 18790, ISSN 1094-4087
Editore: 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

Autori: 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
Pubblicato in: Opt. Express 30, 46602-46625, 2022, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.5445/ir/1000153694

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

Autori: 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
Pubblicato in: Optica, Numero 5/7, 2018, Pagina/e 876, ISSN 2334-2536
Editore: OSA
DOI: 10.1364/optica.5.000876

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

Autori: Clemens Kieninger, Yasar Kutuvantavida, Hiroki Miura, Juned N. Kemal, Heiner Zwickel, Feng Qiu, Matthias Lauermann, Wolfgang Freude, Sebastian Randel, Shiyoshi Yokoyama, Christian Koos
Pubblicato in: Optics Express, Numero 26/21, 2018, Pagina/e 27955, ISSN 1094-4087
Editore: 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

Autori: Pablo Marin-Palomo, Juned N. Kemal, Philipp Trocha, Stefan Wolf, Kamel Merghem, François Lelarge, Abderrahim Ramdane, Wolfgang Freude, Sebastian Randel, Christian Koos
Pubblicato in: Optics Express, Numero 27/22, 2019, Pagina/e 31110, ISSN 1094-4087
Editore: 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

Autori: Juned N. Kemal, Pablo Marin-Palomo, Vivek Panapakkam, Philipp Trocha, Stefan Wolf, Kamel Merghem, François Lelarge, Abderrahim Ramdane, Sebastian Randel, Wolfgang Freude, Christian Koos
Pubblicato in: Optics Express, Numero 27/22, 2019, Pagina/e 31164, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.27.031164

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

Autori: 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
Pubblicato in: Nature Photonics, Numero 13/8, 2019, Pagina/e 519-524, ISSN 1749-4885
Editore: Nature Pub. Group
DOI: 10.1038/s41566-019-0475-6

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

Autori: Heiner Zwickel, Juned N. Kemal, Clemens Kieninger, Yasar Kutuvantavida, Jonas Rittershofer, Matthias Lauermann, Wolfgang Freude, Sebastian Randel, Christian Koos
Pubblicato in: Optics Express, Numero 26/26, 2018, Pagina/e 34580, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.26.034580

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

Autori: 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
Pubblicato in: Optica, Numero 5/6, 2018, Pagina/e 739, ISSN 2334-2536
Editore: OSA
DOI: 10.1364/optica.5.000739

Wireless THz link with optoelectronic transmitter and receiver

Autori: 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
Pubblicato in: Optica, Numero 6/8, 2019, Pagina/e 1063, ISSN 2334-2536
Editore: OSA
DOI: 10.1364/OPTICA.6.001063

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

Autori: Aleksandar Nesic, Matthias Blaicher, Tobias Hoose, Andreas Hofmann, Matthias Lauermann, Yasar Kutuvantavida, Martin Nöllenburg, Sebastian Randel, Wolfgang Freude, Christian Koos
Pubblicato in: Optics Express, Numero 27/12, 2019, Pagina/e 17402, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.1364/oe.27.017402

Transformation-optics modeling of 3D-printed freeform waveguides

Autori: 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
Pubblicato in: Crossref, Numero 1, 2022, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.48550/arxiv.2201.09807

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

Autori: 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
Pubblicato in: Opt. Express 30, 46564-46574, 2022, ISSN 1094-4087
Editore: Optical Society of America
DOI: 10.48550/arxiv.2203.12989

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

Autori: 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
Pubblicato in: Light: Science & Applications, Numero 9/1, 2020, Pagina/e 71, ISSN 2047-7538
Editore: 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

Autori: 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
Pubblicato in: Optica, Numero 8/4, 2021, Pagina/e 511, ISSN 2334-2536
Editore: OSA
DOI: 10.1364/optica.411161

Generalized Kramers–Kronig receiver for coherent terahertz communications

Autori: 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
Pubblicato in: Nature Photonics, Numero 14/10, 2020, Pagina/e 601-606, ISSN 1749-4885
Editore: Nature Pub. Group
DOI: 10.1038/s41566-020-0675-0

Surface sensing with integrated optical waveguides: a design guideline

Autori: Johannes Milvich, Daria Kohler, Wolfgang Freude, Christian Koos
Pubblicato in: Optics Express, Numero 26/16, 2018, Pagina/e 19885, ISSN 1094-4087
Editore: 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

Autori: 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
Pubblicato in: Journal of Lightwave Technology, 2023, ISSN 1558-2213
Editore: OSA
DOI: 10.1109/jlt.2023.3243471

Wireless Terahertz Communications: Optoelectronic Devices and Signal Processing

Autori: Harter, Tobias
Pubblicato in: Karlsruhe Series in Photonics and Communications / Karlsruhe Institute of Technology, Institute of Photonics and Quantum Electronics (IPQ), Numero 18651100, 2021, ISSN 1865-1100
Editore: KIT Scientific Publishing
DOI: 10.5445/ksp/1000128941

Pubblicazioni

Condividi questa pagina

Scarica