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Terahertz Waveform Synthesis and Analysis Using Hybrid Photonic-Electronic Circuits

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Publications

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
DOI: 10.1364/ofc.2020.m4h.6

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
DOI: 10.1364/cleo_si.2020.sm2j.4

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
DOI: 10.1364/cleo_si.2020.sm2n.7

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
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
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
DOI: 10.1109/ecoc.2018.8535490

110-m THz Wireless Transmission at 100 Gbit/s Using a Kramers-Kronig Schottky Barrier Diode Receiver

Author(s): Tobias Harter, Christoph Fullner, Juned N. Kemal, Sandeep Ummethala, Miriam Brosi, Erik Brundermann, Wolfgang Freude, Sebastian Randel, Christian Koos
Published in: 2018 European Conference on Optical Communication (ECOC), 2018, Page(s) 1-3
DOI: 10.1109/ecoc.2018.8535174

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
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
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
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.)
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
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
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
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
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
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
DOI: 10.1364/cleo_si.2018.sm3b.1

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, 2019

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
DOI: 10.1109/cleoe-eqec.2019.8873098

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

Author(s): Christian v. Vangerow, Christian Bohn, Heiner Zwickel, Christian Koos, Thomas Zwick
Published in: 2019 IEEE 19th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2019, Page(s) 1-3
DOI: 10.1109/sirf.2019.8709086

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
DOI: 10.5445/ir/1000129769

High-speed optical devices and multiplexing techniques

Author(s): Koos, C.
Published in: Workshop “Super DACs and ADCs - To Interleave or not to Interleave” Optical Fiber Communication Conference (OFC'19), San Diego (CA), USA, March 3–7, 2019

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

Author(s): Koos, C.
Published in: Optical Fiber Communication Conference (OFC'19), San Diego (CA), USA, March 3–7, 2019, Page(s) tutorial D1

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

Author(s): Koos, C.
Published in: 9th International Symposium on Ultrafast Photonic Technologies (ISUPT 2019); Napa, California, June 17-19, 2019

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
DOI: 10.1364/cleo_at.2019.jth5b.2

110-m THz Wireless Transmission at 100 Gbit/s Using a Kramers-Kronig Schottky Barrier Diode Receiver

Author(s): Tobias Harter, Christoph Fullner, Juned N. Kemal, Sandeep Ummethala, Miriam Brosi, Erik Brundermann, Wolfgang Freude, Sebastian Randel, Christian Koos
Published in: 2018 European Conference on Optical Communication (ECOC), Issue September 23-27, 2018, 2018, Page(s) 1-3
DOI: 10.1109/ecoc.2018.8535174

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

Author(s): T. Harter, S. Muehlbrandt, S. Ummethala, A. Schmid, S. Nellen, L. Hahn, W. Freude, C. Koos
Published in: Nature Photonics, Issue 12/10, 2018, Page(s) 625-633, ISSN 1749-4885
DOI: 10.1038/s41566-018-0237-x

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
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
DOI: 10.1364/oe.26.027955

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

Author(s): Philipp‐Immanuel Dietrich, Gerald Göring, Mareike Trappen, Matthias Blaicher, Wolfgang Freude, Thomas Schimmel, Hendrik Hölscher, Christian Koos
Published in: Small, 2019, Page(s) 1904695, ISSN 1613-6810
DOI: 10.1002/smll.201904695

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
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
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
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
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
DOI: 10.1364/optica.5.000739

In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration

Author(s): P.-I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, C. Koos
Published in: Nature Photonics, Issue 12/4, 2018, Page(s) 241-247, ISSN 1749-4885
DOI: 10.1038/s41566-018-0133-4

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
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
DOI: 10.1364/oe.27.017402