Lectures (128)

• Koos, C.
  Photonic-Electronic Ultra-Broadband Signal Processing: Devices, Concepts, and Applications
  Workshop ‘Broadband and Microwave Signal Processing Using Electronic-Photonic Integration’, 26th European Microwave Week, Berlin, Germany, September 17-22 (2023) (invited)


• Koos, C.
  Photonic-Electronic Ultra-Broadband Signal Processing: Concepts, Devices, and Applications
  Integrated Photonics for Next-Generation Technologies (INGEN 2023), Saanen, Switzerland, July 26-29 (2023) (invited)


• Koos, C.
  Integrated Photonics and Photonic-Electronic Signal Processing: Enabling Technologies for Future ICT Infrastructures
  Berlin 6G Conference, Berlin, Germany, June 27-29 (2023) (invited)


• Koos, C.
  Silizium-Photonik und optische Hybrid-Integration – Schlüsseltechnologien für Kommunikationstechnik und Sensorik
  microTEC Südwest Clusterkonferenz 2023, May 15-16 (2023) (invited)


• Krimmer, J.; Stohr, S.; Dietrich, P.-I.; Schmidt, S.; Kapim, H.; Henniger-Ludwig, A.; Randel, S.
  Space-Division Multiplexing for the Fiber-Optic Networking Infrastructure of Datacenters
  Photonic Networks; 24th ITG Symposium, May 09-10 , Leipzig, Germany (2023)


• Koos, C.
  3D Nanoprinting and Hybrid Photonic Integration - Technologies and Applications Beyond Telecommunications
  ams-OSRAM International GmbH, 15. September (2022)


• Koos, C.
  3D-Nanoprinting and Hybrid Photonic Integration - Technologies and Applications
  Huawei Technology Saloon by Distinguished Professors, 1. September (2022) (invited)


• Koos, C.
  Integrierte Photonik - eine Schlüsseltechnik für Sensorik und Kommunikationstechnik
  Universität Stuttgart, Germany, July 19 (2022) (invited)


• Fuellner, C.; Duenkel, O.; Marin-Palomo, P.; Kemal, J. N.; Freude, W.; Koos, C.; Randel, S.
  Performance Requirements for Optical Frequency Comb Generators as Optical Power Supplies in Coherent SDM/DWDM Links
  IEEE Summer Topicals Meeting Series (SUM’22), Cabo San Lucas, Mexico, Jul 11-13 (2022) (invited)


• Koos, C.
  Hybrid Integration, Organic Electro-Optic Devices and Frequency Combs: Technologies for Optical Communications and Beyond
  University of Washington, Seattle, WA, USA, March 8 (2022) (invited)


• Koos, C.
  Hybrid Photonic Integration, Organic-Electro-Optic Devices and Frequency Combs: Technologies for Massively Parallel Optical Communications
  Huawei Strategy and Technology Workshop, online event, October 24 (2021) (invited)


• Koos, C.; Kippenberg, T. J.; 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.; Fuellner, C.; Billah, M. R.; Blaicher, M.; Xu, Y.; Lauermann, M.; Skacel, S.; Lihachev, G.; Schaefer, J.; Gudyriev, S.; Zazzi, A.; Mueller, J.
  Terahertz Analogue-to-Digital Conversion Using Soliton Frequency Combs and Massively Parallel Spectrally Sliced Detection (TeraSlice)
  International Workshop on Mobile THz Systems (IWMTS), online event, Duisburg, Germany, July 5 – 7 (2021) (invited)


• Koos, C.
  Hybrid photonic integration and plasmonic devices - new perspectives for high-speed communications and signal processing
  Conf. on Lasers and Electro-Optics (CLEO'21), Washington, DC, USA, May 9–14, paper SF2B.6 (2021) (invited)


• Koos, C.
  Integrierte Photonik – eine Schlüsseltechnologie für Sensorik und Kommunikationstechnik
  KIT Business Club, Karlsruhe Institute of Technology (KIT), online event, 21. April (2021) (invited)


• Koos, C.
  Photonic-Electronic THz Signal Processing: Concepts, Devices, and Applications
  Unconference “Smart Farming MEETS Photonic Integrated Circuits”, organized by Carl Zeiss AG, online event, 14. April (2021) (invited)


• Koos, C.
  Photonic-Electronic THz Signal Processing: Concepts, Devices, and Applications
  Huawei Snow Mountain Summit 2021, online event, January 28 – 29 (2021) (invited)


• Koos, C.
  Enabling Technologies for Hyperscale Networks
  BCICTS2020IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, Virtual Event, Nov. 16 -19 (2020) (invited)


• Koos, C.; Randel, S.; Freude, W.; Yokoyama, S.; Dalton, L. R.; Zwickel, H.; Kieninger, C.; Wolf, S.; Kutuvantavida, Y.; Lauermann, M.; Miura, H.; Qiu, F.; Elder, D. L.; Ummethala, S.; Billah, M. R.; Blaicher, M.; Dietrich, P.-I.; Trappen, M.; Hoose, T.
  Hybrid Photonic Integration and 3D Nano-Printing: Combining Silicon Photonics with Organic Materials
  IEEE CPMT Symposium Japan (ICSJ 2019); Kyoto, Japan, November 18-20 (2019) (invited)


• Koos, C.
  Hybrid silicon photonics and plasmonics: From optical communications to THz signal processing
  Workshop on Hybrid PICs; 45th European Conference on Optical Communication (ECOC'19), Dublin, Ireland, September 22-26 (2019) (invited)


• Koos, C.
  Hybrid Silicon Photonics and Frequency Combs: Technologies for Optical Communications and Wireless THz Transmission
  Huawei Workshop on Novel Photonic Technologies, Munich, Germany, September 20 (2019)


• 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.
  Wireless THz-to-optical conversion with an electro-optic plasmonic modulator
  Light: Science & Applications, Light Conference (Light Conference'19), Changchun, China, July 16-18 (2019) (invited)


• Koos, C.
  Photonic Wire Bonding and Hybrid Integration on the Silicon Platform: From High-Speed Communications to THz Signal Processing
  4th ePIXfab Silicon Photonics Summer School; Sant' Anna School of Advanced Studies; Pisa, Italy, July 1 – 5 (2019) (invited)


• Koos, C.
  Hybrid Silicon Photonics, Plasmonics, and 3D Nano-Printing: From High-Speed Communications to THz Signal Processing
  Huawei Workshop on Novel Photonic Technologies, Dublin, Ireland, June 26 (2019) (invited)


• Koos, C.
  Photonic Wire Bonding and 3D Nano-Printing in Photonics: From Lab Demonstrations to Production
  9th International Symposium on Ultrafast Photonic Technologies (ISUPT 2019); Napa, California, June 17-19 (2019) (invited)


• Koos, C.
  Photonic Wirebonding and 3D Nanoprinting for Optical Packaging and Assembly
  6th OFC PIC Workshop, Optical Fiber Communication Conference (OFC'19), San Diego (CA), USA, March 3–7 (2019)


• Freude, W.
  Wireless THz communications
  Jaypee Institute of Information Technology, JIIT Noida, India, December 11 (2018) (invited)


• Adib, M. M. H.; Kemal, J. N.; Fuellner, C.; Mahmud, M. S.; Koos, C.; Freude, W.
  Colorless Coherent TWDM-PON Architecture Based on a Frequency-Comb Local Oscillator
  Bell Labs Student Day, Stuttgart, Germany, November 13 (2018) (invited)


• Koos, C.
  Silicon Photonics, Hybrid Integration, and Frequency Combs: Enabling Technologies for Hyperscale Networks
  Workshop “Keysight in Network Data Center – European Seminar”; Keysight Technologies GmbH, Boeblingen, Germany, October 23 (2018) (invited)


• Zwickel, H.; Kutuvantavida, Y.; Kieninger, C.; Freude, W.; Randel, S.; Koos, C.
  Silicon-organic hybrid integration – efficient devices for high-speed communications
  Huawei Workshop on Novel Photonics Technologies, Rome, Italy, September 21 (2018) (invited)


• Koos, C.; Randel, S.; Freude, W.; Kippenberg, T. J.; Marin-Palomo, P.; Kemal, J. N.; Trocha, P.; Ganin, D.; Weimann, C.; Wolf, S.; Pfeifle, J.; Karpov, M.; Kordts, A.; Vujicic, V.
  Optical Frequency Combs: Tools for High-Speed Communications and Optical Distance Metrology
  10th Sino-German Joint Symposium on Opto- and Microelectronic Devices and Circuits (SODC 2018), Aachen, Germany, September 16 – 20 (2018) (invited)


• Koos, C.
  Photonic Wirebonding and 3D Nanoprinting for Optical Packaging and Assembly
  TechWatch at the China International Optoelectronic Exposition (CIOE 2018), organized by the European Photonics Industry Consortium (EPIC), September 5 (2018) (invited)


• 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.
  Wireless terahertz communications using optoelectronic techniques
  40th Progress In Electromagnetics Research Symposium (PIERS 2018), Toyama, Japan, 01.08.2018 – 04.08.2018 (2018)


• Freude, W.; Harter, T.; Ummethala, S.; Muehlbrandt, S.; Blaicher, M.; Wolf, S.; Weber, M.; Boes, F.; Massler, H.; Tessmann, A.; Kutuvantavida, Y.; Kemal, J. N.; Nellen, S.; Hahn, L.; Goebel, T.; Walther, M.; Zwick, T.; Randel, S.; Koos, C.
  Wireless THz communications using optoelectronic techniques
  Light: Science & Applications, Light Conference (Light Conference'18), Changchun, China, July 16-18 (2018) (invited)


• Koos, C.; Dietrich, P.-I.; Billah, M. R.; Hoose, T.; Xu, Y.; Trappen, M.; Nesic, A.; Hofmann, A.
  Photonic Wirebonding - from Lab to Fab
  OptecNet Jahrestagung, Berlin, Germany, June 20 – 21 (2018) (invited)


• Koos, C.
  Silicon Photonics, Hybrid Integration, and Frequency Combs - Technologies for Terabit Communications and Ultra-Fast Signal Processing
  Annual meeting of the Helmholtz Programme "Matter and Technologies", Helmholtz Zentrum Berlin, June 12 – 14 (2018) (invited)


• Koos, C.
  Photonic Wirebonding and 3D Nanoprinting in Optical Packaging – from Research to Manufacturing
  Workshop ‘Photonic Packaging and Sub-Micron Assembly’; Fraunhofer Institute for Reliability and Microintegration (IZM); June 12 – 13 (2018) (invited)


• Koos, C.
  Photonic Wirebonding and 3D Nanoprinting in Optical Packaging – from Research to Manufacturing
  EPIC Meeting “Automation Tools for Packaging and Testing”; organized by the European Photonic Industry Consortium (EPIC), Physik Instrumente (PI); Karlsruhe, Germany, May 22 – 23 (2018) (invited)


• Koos, C.
  Optical Frequency Combs - Tools for High-Speed Communications and Advanced Distance Metrology
  Workshop ‘Progress in Nonlinear Photonics: Waveguides and Resonators’, Bath, UK, March 28 - 29 (2018) (invited)


• Koos, C.
  Photonic Wire Bonding and Hybrid Photonic Integration: Technologies for Optical Communications and Beyond
  Finisar Corporation, Sunnyvale, CA, USA, February 2 (2018) (invited)


• Koos, C.
  3D Nano-Printing for Advanced Photonic Integration and Assembly
  Seminar “Photonic Integrated Circuits (PIC)”, organized by Bayern Photonics e.V., Nurnberg, November 14 (2017) (invited)


• Koos, C.
  3D Nano-Printing and Hybrid Photonic Integration - Technologies for Optical Metrology and Communications
  Optics Colloquium, Universität Freiburg, Institut für Mikrosystemtechnik (IMTEK), November 8 (2017) (invited)


• Koos, C.
  Integrierte Photonik - optische Schaltkreise in zwei und drei Dimensionen
  Seminar talk at the Corporate Research Department of Schott AG, Mainz, Germany, April 7 (2017) (invited)


• Blaicher, M.; Billah, M. R.; Hoose, T.; Dietrich, P.-I.; Hofmann, A.; Freude, W.; Koos, C.
  Multi-Chip Integration by Photonic Wire Bonding
  634. WE-Heraeus-Seminar "Merging Micro- and Nano-Optics: 3D Printing for Advanced and Functional Optics", Bad Honnef, Germany, January 9-11 (2017)


• Koos, C.; Freude, W.; Billah, M. R.; Hoose, T.; Dietrich, P.-I.; Nesic, A.; Lindenmann, N.; Hofmann, A.
  3D Printing for Advanced Photonic Integration
  634. WE-Heraeus-Seminar "Merging Micro- and Nano-Optics: 3D Printing for Advanced and Functional Optics", Bad Honnef, Germany, January 9-11 (2017) (invited)


• Koos, C.
  Optische Terabit-Kommunikation:Schnelle und effiziente Datenübertragung mit Licht
  erc = science² | Europäische Spitzenforschung am KIT, Karlsruhe Institute of Technology (KIT), March 16 (2017) (invited)


• Wolf, S.; Hartmann, W.; Lauermann, M.; Zwickel, H.; Kutuvantavida, Y.; Kieninger, C.; Freude, W.; Koos, C.
  High-speed silicon-organic hybrid (SOH) modulators
  42nd European Conf. Opt. Commun. (ECOC'16), Düsseldorf, Germany, Sept. 18–22 (2016) (invited)


• Nesic, A.; Blaicher, M.; Hoose, T.; Lauermann, M.; Kutuvantavida, Y.; Freude, W.; Koos, C.
  Hybrid 2D/3D photonic integration for non-planar circuit topologies
  42nd European Conf. Opt. Commun. (ECOC'16), Düsseldorf, Germany, Sept. 18–22 (2016)


• Marin-Palomo, P.; Kemal, J. N.; Trocha, P.; Wolf, S.; Kordts, A.; Karpov, M.; Pfeiffer, M.; Brasch, V.; Freude, W.; Kippenberg, T. J.; Koos, C.
  34.6 Tbit/s WDM transmission using soliton Kerr frequency combs as optical source and local oscillator
  42nd European Conf. Opt. Commun. (ECOC'16), Düsseldorf, Germany, Sept. 18–22 (2016)


• Ramdane, A.; Panapakkam, V.; Gaimard, Q.; Merghem, K.; Aubin, G.; Chimot, N.; Lelarge, F.; Vujicic, V.; Anthur, A.; Zhou, R.; Barry, L. P.; Marin-Palomo, P.; Kemal, J. N.; Pfeifle, J.; Koos, C.
  Frequency comb generation using QD-based mode locked lasers: application to multi-Terabit/s optical fiber transmission
  International Nano-Optoelectronics Workshop iNOW-2016, 26 July - 5 August, Munich, Würzburg, Germany (2016)


• Freude, W.; Schneider, S.; Weimann, C.; Hoeller, F.; Lauermann, M.; Dietrich, P.-I.; Koos, C.
  Integrated optics for optical coherence tomography and surface topography characterization
  Light: Science & Applications, Light Conference (Light Conference'16, Speakers), Changchun, China, July 4-8 (2016) (invited)


• Freude, W.
  Optical modulators, network monitors, and high-speed wireless links: Towards OpEx and CapEx saving networks
  3rd Green Photonics Symposium at Technion (Russell Berrie Nanotechnology Institute), March 29- 30 , Haifa, Israel (2016) (invited)


• Freude, W.; Koos, C.
  Silicon-organic hybrid (SOH) integration and multi-chip systems: Extending the capabilities of the silicon photonic platform
  Workshop "Silicon & Diamond Photonics", PhotonicNet GmbH, Haus der Kulturen, March 8- 9 , Braunschweig, Germany (2016) more (invited)


• Koos, C.
  Silicon Photonics, Hybrid Integration, and Frequency Combs: Technologies for Terabit/s Communications
  18th International Workshop on Physics of Semiconductor Devices (IPWSD-2015), Bangalore, India, December 7-10 (2015) (invited)


• Koos, C.
  Silicon Photonics, Hybrid Integration, and Frequency Combs: Technologies for Terabit/s Communications
  Seminar of the Institute of Semiconductor Science, Universität Stuttgart, November 2 (2015) (invited)


• Mai, C.; Lischke, S.; Kroh, M.; Hoose, T.; Lindenmann, N.; Koos, C.; Mai, A.; Zimmermann, L.
  Optische Schnittstelle für photonische Wirebonds in photonischer BiCMOS-Technologie
  MikroSystemTechnik-Kongress 2015, Karlsruhe, Germany, Oct. 26–28 (2015)


• Koos, C.
  Silicon Photonics and Hybrid Integration: Technology and Applications
  Seminar Talk at corporate research department of BASF SE, Ludwigshafen, Germany, July 14 (2015) (invited)


• Koos, C.
  Terabit Communications Using Optical Frequency Combs
  The 3rd International Workshop on Ultrafast Laser Optoelectronics (ULO 2015), July 9 (2015) (invited)


• Koos, C.
  Silicon Photonics, Hybrid Integration, and Frequency Combs: Technologies for Terabit/s Communications
  Light Conference: International Conference on Micro/Nano Optical Engineering (ICOME2015), July 7-8, Changchun, China (2015) (invited)


• Koos, C.
  Photonic wire bonding, multi-chip integration, and wafer-level micro-optics enabled by 3D laser lithography
  Sino-German Workshop on Photonic Manufacturing, Manipulation and Measurement （PMMM2015）, July 2-7, Changchun, China (2015) (invited)


• Weimann, C.; Hoeller, F.; Freude, W.; Koos, C.
  High-precision laser ranging for industrial metrology with dual-color electro-optic frequency combs
  116th Annual DGaO Conference (DGaO'15), 26-29 May, Brno, Czech Republic (2015)


• Freude, W.
  Wissen schaffen – Anspruch und Wirklichkeit
  Vortrag im Rahmen der 'Kamingespräche' auf Einladung des Young Investigator Network (YIN) am Karlsruher Institut für Technologie (KIT), Heinrich-Hertz-Haus, Karlsruhe, April 24 (2015) (invited)


• Koos, C.
  Integrated Photonics and Terabit Communications
  4th Europhotonics Spring School, April 13-16 (2015) (invited)


• Koos, C.
  Silicon Photonics and Integrated Optics: Technologies and Applications
  442. Carl-Zeiss-Optikkolloquium, Carl Zeiss AG, Jena, Germany, April 7 (2015) (invited)


• Koos, C.
  Silicon Photonics, Hybrid Integration, and Frequency Combs: Technologies for Terabit/s Communications
  Infinera Corporation, Sunnyvale, CA, USA, Feb. 10 (2015) (invited)


• Koos, C.
  Integrated Photonics and Advanced Communications
  Colloquium of the Department of Physics, Karlsruhe Institute of Technology, Germany, Dec. 4 (2014) (invited)


• Koos, C.
  Silicon Photonics and Hybrid Photonic Integration
  Seminar talk, Osram AG, Regensburg, Germany, Nov. 6 (2014) (invited)


• Koos, C.
  Silicon photonics, hybrid integration and photonic multi-chip systems: Enabling technologies for terabit communications
  International Seminar on Photonics, Optics, and its Applications (ISPhOA 2014), Denpasaar, Bail, Indonesia, October 14 - 15 (2014) (invited)


• Meder, L.; Schindler, P. C.; Agmon, A.; Meltsin, M.; Bonk, R.; Meyer, J.; Dreschmann, M.; Tolmachev, A.; Hilgendorf, R.; Nazarathy, M.; Ben-Ezra, S.; Pfeiffer, T.; Freude, W.; Leuthold, J.; Koos, C.; Becker, J.
  Flexible real-time transmitter at 10 Gbit/s for SCFDMA PONs focusing on low-cost ONUs
  Conference on Design & Architectures for Signal & Image Processing (DASIP'14), Madrid, Spain, October 8–10 (2014)


• Koos, C.; Freude, W.; Lindenmann, N.; Hoose, T.; Billah, M. R.
  Photonic wire bonding: Level-1 packaging and multi-chip integration enabled by 3D laser lithography
  Workshop “Photonic Packaging”, Fraunhofer IZM, Berlin, Germany, Sept. 10 – 11 (2014) (invited)


• Koos, C.
  Electro-Optic Devices on the Silicon-Organic Hybrid (SOH) Platform
  8th Joint Symposium on Opto- & Micro-electronic Devices and Circuits (SODC ’14), Frankfurt (Oder), Germany, Sep. 8-11 (2014) (invited)


• Koos, C.
  Photonic wire bonding: Level-1 packaging and multi-chip integration enabled by 3D laser lithography
  Seminar talk, Oclaro Inc., Caswell, UK, August 14 (2014) (invited)


• Koos, C.; Freude, W.; Kippenberg, T. J.; Pfeifle, J.; Weimann, C.; Lauermann, M.; Brasch, V.; Herr, T.
  Terabit Communications Using Optical Frequency Combs
  SIAM Conference on Nonlinear Waves and Coherent Structures, Churchill College, University of Cambridge, UK, August 11-14 (2014) (invited)


• Koos, C.; Freude, W.; Lindenmann, N.; Hoose, T.; Billah, M. R.
  Photonic Wire Bonding: Optical die packages and multi-chip modules enabled by 3D laser lithography
  EPIC Technology Workshop “Photonic Integrated Circuits Packaging Standardization”; organized by the European Photonic Industry Consortium (EPIC), TE Connectivity, s’Hertogenbosch, Netherlands, June 18– 19 (2014) (invited)


• Koos, C.; Freude, W.; Palmer, R.; Lauermann, M.; Koeber, S.; Pfeifle, J.; Weimann, C.; Schindler, P. C.; Lindenmann, N.; Hoose, T.; Billah, M. R.
  Silicon Photonics, Hybrid Integration, and Frequency Combs: Technologies for Terabit/s Communications, Teratronics, and Optical Metrology
  115th Annual DGaO Conference (DGaO'14), June 10 - 14, Karlsruhe, Germany (2014)


• Schneider, S.; Kramer, A.; Eppler, F.; Alemye, H.; Hubner, C.; Mikonsaari, I.; Freude, W.; Koos, C.
  Polarization-Sensitive Optical Coherence Tomography for Characterization of Size and Shape of Nano-Particles
  115th Annual DGaO Conference (DGaO'14), June 10 - 14, Karlsruhe, Germany (2014)


• Koeber, S.; Bog, U.; Wienhold, T.; Wondimu, S. F.; Mappes, T.; Brinkmann, F.; Hirtz, M.; Wiegele, S.; Kalt, H.; Koos, C.
  Lasing goblet resonators – active microstructures for integrated biosensors
  115th Annual DGaO Conference (DGaO'14), June 10 - 14, Karlsruhe, Germany (2014)


• Pfeifle, J.; Brasch, V.; Schindler, P. C.; Weimann, C.; Yu, Y.; Freude, W.; Kippenberg, T. J.; Koos, C.
  Kerr-Frequenzkämme und deren Stabilisierung für die Terabit-Kommunikation
  115th Annual DGaO Conference (DGaO'14), June 10 - 14, Karlsruhe, Germany (2014)


• Weimann, C.; Wolf, S.; Meier, D.; Schleitzer, Y.; Totzeck, M.; Heinrich, A.; Hoeller, F.; Freude, W.; Koos, C.
  Fast high-precision distance measurements with electro-optic frequency combs
  115th Annual DGaO Conference (DGaO'14), June 10 - 14, Karlsruhe, Germany (2014)


• Palmer, R.; Lauermann, M.; Koos, C.
  Silicon-Organic Hybrid (SOH) Devices for Applications in Optical Communications, Metrology, and Sensing
  Photonic Integrated Circuits: Technology and Applications, Joint Symposium of the German Association of Applied Optics (DGaO) and the Helmholtz International Research School of Teratronics (HIRST) supported by the Alfried Krupp von Bohlen und Halbach-S (2014)


• Lindenmann, N.; Hoose, T.; Steenhusen, S.; Billah, M. R.; Koeber, S.; Houbertz-Krauss, R.; Koos, C.
  Photonic wire bonding as an enabling technology for multi-chip photonic system
  OPTO SPIE Photonics West (OPTO-SPIE'14) , San Francisco (CA), USA, Feb. 1-6 (2014)


• Koos, C.
  Silicon photonics and photonic wire bonding - technologies for terabit/s optical interconnects
  Research Seminar, Carl Zeiss Semiconductor Manufacturing Technology (SMT) AG; 6. December (2013) (invited)


• Koos, C.
  Nanophotonik, Terabits und Teratronik: Energieeffiziente Hochgeschwindigkeits-Kommunikation mit Licht
  Uni-für-Einsteiger-Tag, Karlsruhe Institute of Technology (KIT), 20.November (2013)


• Koos, C.
  Hybrid photonic integration: an enabling technology for terabit/s communications and teratronics
  4th Karlsruhe Days of Optics & Photonics, Karlsruhe Institute of Technology (KIT), 6. November (2013)


• Koos, C.
  Silicon-organic hybrid integration, photonic wire bonding, and frequency combs: Technologies for Tbit/s interconnects
  Seminar of the Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), 30. October (2013) (invited)


• Meyer, M.; Dreschmann, M.; Karnick, D.; Schindler, P. C.; Freude, W.; Leuthold, J.; Becker, J.
  A novel system on chip for software-defined, high-speed OFDM signal processing
  26th Symposium on Integrated Circuits and Systems Design (SBBCCI'13), Curitiba, Brazil, Sept 18-24 (2013)


• Koos, C.; Freude, W.; Leuthold, J.; Alloatti, L.; Palmer, R.; Korn, D.; Lauermann, M.; Koeber, S.; Pfeifle, J.; Schindler, P. C.
  Silicon-organic hybrid (SOH) integration: Extending the capabilities of silicon photonics
  Information Photonics 2013 Conference; University of Warsaw, September 16-19 (2013) (invited)


• O'Duill, S.; Marazzi, L.; Parolari, P.; Koos, C.; Freude, W.; Leuthold, J.
  Simulating Self-Seeded Sources for WDM PON
  Photonics Ireland 2013, Belfast, Ireland, September 04-06 (2013)


• Nesic, A.; Alloatti, L.; Pfeifle, J.; Lindenmann, N.; Leuthold, J.; Freude, W.; Koos, C.
  Highly Efficient Silicon-Organic Hybrid (SOH) Phase Shifters for Reconfigurable Ultra-Fast Signal Processing
  International Nano-Optoelectronics Workshop iNOW-2013, August 19-30 , Cargèse, France (2013)


• Koos, C.; Leuthold, J.; Freude, W.; Alloatti, L.; Korn, D.; Palmer, R.; Lauermann, M.; Pfeifle, J.; Lindenmann, N.; Koeber, S.; Hillerkuss, D.; Schmogrow, R.
  Silicon photonics, hybrid integration and photonic wire bonding – enablers for energy-efficient terabit/s interconnects
  13th FIBER OPTICS EXPO Technical Conference, Tokyo, Japan, April 10-12 (2013) (invited)


• Koeber, S.; Mappes, T.; Koos, C.
  Label-free sensing with lasing microgoblets
  Roche-Helmholtz Research Day, Penzberg, Germany, Nov. 28 (2012)


• Koos, C.
  Silicon-organic hybrid integration, photonic wire bonding, and frequency combs: Technologies for Tbit/s interconnects
  Colloquium of the Inter-University Research School on Communication Technologies, Basic Research and Applications (COBRA), Eindhoven Unversity, The Netherlands, Oct. 12 (2012) (invited)


• Koos, C.
  Silicon Nanophotonics and Photonic Wire Bonding: Technologies for Terabit/s Interconnects
  Seminar talk at the University of Posts and Telecommunications, Nanjing, China, Sept. 28 (2012) (invited)


• Koos, C.; Leuthold, J.; Freude, W.; Alloatti, L.; Korn, D.; Palmer, R.; Lauermann, M.; Lindenmann, N.; Koeber, S.; Pfeifle, J.; Schindler, P. C.; Hillerkuss, D.; Schmogrow, R.
  Silicon-Organic Hybrid Integration and Photonic Wire Bonding: Technologies for Terabit/s Interconnects
  Joint Symposium on Opto- and Microelectronic Dvices and Circuits (SODC2012), Hangzhou, China, Sept. 24-27 (2012) (invited)


• Freude, W.; Schmogrow, R.; Josten, A.; Hillerkuss, D.; Koenig, S.; Meyer, J.; Dreschmann, M.; Koos, C.; Leuthold, J.; Nebendahl, B.; Winter, M.; Hubner, M.
  Quality metrics for optical transmission
  International Conference on Photonics in Switching (PS'12), Ajaccio (Corsica), France, 11-14 September (2012) (invited)


• Koos, C.; Leuthold, J.; Freude, W.; Alloatti, L.; Korn, D.; Lindenmann, N.; Palmer, R.; Pfeifle, J.; Hillerkuss, D.; Schmogrow, R.
  Silicon Nanophotonics and Photonic Wire Bonding: Technologies for Terabit/s Interconnects
  6th ITG Workshop on Photonic Integration, Laser Optics Berlin, March 20 (2012) (invited)


• Koos, C.
  Silicon photonics and hybrid integration: Technologies for multi-Tbit/s interconnects
  Technologies for multi-Tbit/s interconnects’; seminar talk, Universität Duisburg-Essen, December (2011) (invited)


• Koos, C.
  Das Internet und das Klima: Energieeffizienz in der Informationstechnik
  Rotary Club Karlsruhe-Albtal, November (2011) (invited)


• Koos, C.
  Optical Interconnects
  Forum Photonics BW, Nanoscribe GmbH, Karlsruhe, Germany, November 11 (2011) (invited)


• Koos, C.
  Silicon photonics and hybrid integration: Technologies for multi-Tbit/s interconnects
  Elektrotechnisches Kolloquium, Universität Ulm, June (2011) (invited)


• Koos, C.
  Nanophotonic integration: Silicon and beyond
  Seminar of the Institute for Data Processing and Electronics (IPE), Karlsruhe Institute of Technology, Germany, May 24 (2011) (invited)


• Koos, C.
  Nanophotonic integration: Silicon and beyond
  Physikalisches Kolloquium, Technische Universität Kaiserslautern, May (2011) (invited)


• Koos, C.
  Silicon nanophotonics and silicon-organic hybrid (SOH) integration
  Seminar of the Leibniz Institute IHP - Innovations for High-Performance Microelectronics, Frankfurt (Oder), Germany, February (2011) (invited)


• Freude, W.; Roeger, M.; Dreschmann, M.; Hehmann, J.; Pfeiffer, T.; Klamouris, C.; Hubner, M.; Bett, A. W.; Becker, J.; Leuthold, J.
  Optically powered fibre networks
  10th Intern. Conf. on Fiber Optics & Photonics (Photonics'08), Indian Institute of Technology Guwahati (IIT Guwahati), Guwahati, Assam, India, December 11–15 (2010)


• Freude, W.; Alloatti, L.; Vallaitis, T.; Korn, D.; Hillerkuss, D.; Bonk, R.; Palmer, R.; Li, J.; Schellinger, T.; Fournier, M.; Fedeli, J.-M.; Bogaerts, W.; Dumon, P.; Baets, R.; Barklund, A.; Dinu, R.; Wieland, J.; Scimeca, M. L.
  High-speed signal processing with silicon-organic hybrid devices
  European Optical Society Annual Meeting (EOS’10), Parc Floral De Paris, France, October (2010)


• Koos, C.
  Opportunities in Silicon Integrated Optics
  7th International ICST Conference on Broadband Communications, Networks, and Systems (BROADNETS 2010)Workshop on Next-Generation Optical Access Networks (NGOA), Athens, Greece, October (2010) (invited)


• Koos, C.
  Silicon Nanophotonics and Silicon-Organic Hybrid (SOH) Integration
  Seminar of the Fraunhofer Institute for Applied Solid State Physics (IAF), Freiburg, Germany, July (2010)


• Koos, C.
  Das Internet und das Klima: Energieeffizienz in der Informationstechnik
  Ceremonial lecture at the graduation ceremony of the Department of Electrical Engineering and Information Technology, Karlsruhe Institute of Technology, Germany, July (2010)


• Koos, C.
  Silicon Nanophotonics: An Emerging Toolbox for Optical Communications
  Seminar of the Institute for Applied Physics, Karlsruhe Institute of Technology, Germany, June (2010) (invited)


• Koos, C.
  Silicon Nanophotonics and Silicon-Organic Hybrid Integration (SOH)
  Fachbereich "Mikrosystemtechnik und Nanotechnologie" der VDE-Gesellschaft Mikroelektronik, Mikrosystem- und Feinwerktechnik, Karlsruhe, Germany, June (2010) (invited)


• Koos, C.
  Silicon Nanophotonics: Device Principles and Applications
  Seminar of the Research Training Group 'Analysis, Simulation and Design of Nanotechnological Processes', Karlsruhe Institute of Technology, Germany, June (2010) (invited)


• Freude, W.
  Optically powered fibre networks
  Winter College on Optics and Energy, The Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy, February (2010) (invited)


• Koos, C.; Vorreau, P.; Vallaitis, T.; Dumon, P.; Bogaerts, W.; Esembeson, B.; Biaggio, I.; Michinobu, T.; Diederich, F.; Freude, W.; Leuthold, J.
  Beyond Silicon Photonics: Silicon-Organic Hybrid (SOH) Integration
  Tyndall National Institute, Cork, Ireland, November (2009) (invited)


• Koos, C.; Vallaitis, T.; Dumon, P.; Bogaerts, W.; Baets, R.; Freude, W.; Leuthold, J.
  Silicon Nanophotonics: An Emerging Toolbox for Optical Communications
  Eurofos Summer School, Athens Information Technology, Athens, Greece, June/July (2009) (invited)


• Freude, W.; Koos, C.; Brosi, J.-M.; Vorreau, P.; Dumon, P.; Baets, R.; Esembeson, B.; Biaggio, I.; Michinobu, T.; Diederich, F.; Leuthold, J.
  Silicon-organic hybrid photonics
  Seminar Photonics RoadMap for SMEs (FP7 Project PhotonicRoadSME), Oulu, Finland, May (2009) more (invited)


• Vallaitis, T.; Heine, C.; Bonk, R.; Freude, W.; Leuthold, J.; Koos, C.; Esembeson, B.; Biaggio, I.; Michinobu, T.; Diederich, F.; Dumon, P.; Baets, R.
  All-optical wavelength conversion at 42.7 Gbit/s in a 4 mm long silicon-organic hybrid waveguide
  Optical Fiber Communication Conference (OFC'09), San Diego (CA), USA, March 22–26 (2009)


• Freude, W.; Koos, C.; Brosi, J.-M.; Vorreau, P.; Dumon, P.; Baets, R.; Esembeson, B.; Biaggio, I.; Michinobu, T.; Diederich, F.; Leuthold, J.
  Silicon photonics: The impact of silicon-organic hybrid systems
  9th Intern. Conf. on Fiber Optics & Photonics (Photonics'08), New Delhi, India, December 13–17 (2008) (invited)


• Koos, C.
  Silizium-Nanophotonik: Neue Bauelemente für die Kommunikationstechnik
  Kolloquium der Fakultät für Elektrotechnik und Informationstechnik, Universität Karlsruhe (TH), Germany, Sept. (2008) (invited)


• Brosi, J.-M.; Koos, C.; Andreani, L. C.; Waldow, M.; Leuthold, J.; Freude, W.
  High-speed low-voltage electro-optic modulator with a polymer-infiltrated silicon photonic crystal waveguide
  Workshop der ITG Fachgruppe 5.3.1 Modellierung photonischer Komponenten und Systeme, Universität Kiel, 12.–13.06.2008 (2008)


• Koos, C.; Poulton, C.; Jacome, L.; Zimmermann, L.; Leuthold, J.; Freude, W.
  Ideal Contour Trajectories for Low-Loss Waveguide Bends
  ePIXnet, Winterschool, Pontresina, Schweiz, March (2007)


• Freude, W.; Fujii, M.; Koos, C.; Brosi, J.-M.; Poulton, C.; Maitra, A.; Wang, J.; Leuthold, J.
  Wavelet FDTD methods and applications in nano-photonics
  386th WE Heraeus Seminar 'Computational Nano-Photonics', Bad Honnef, Feb. (2007) (invited)


• Freude, W.; Poulton, C.; Koos, C.; Brosi, J.-M.; Fujii, M.; Pfrang, A.; Schimmel, T.; Mueller, M.; Leuthold, J.
  Nanostrip and photonic crystal waveguides: The modelling of imperfections
  15th International Workshop on Optical Waveguide Theory and Numerical Modelling (OWTNM'06), Varese, Italy, April 20–21 (2006) (invited)


• Fujii, M.; Koos, C.; Poulton, C.; Leuthold, J.; Freude, W.
  FDTD modelling and experimental verification of FWM in semiconductor micro-resonators
  15th International Workshop on Optical Waveguide Theory and Numerical Modelling (OWTNM'06), Varese, Italy, April 20-21 (2006)


• Poulton, C.; Koos, C.; Fujii, M.; Pfrang, A.; Schimmel, T.; Leuthold, J.; Freude, W.
  Roughness in high index-contrast waveguides
  European Cooperation in the Field of Scientific and Technical Research (COST), COST P11 Workshop and WG Meeting, Twente, October 2–4 (2005)


• Freude, W.; Poulton, C.; Brosi, J.-M.; Koos, C.; Fujii, M.
  Nanophotonic high-index waveguides
  Seminar on Recent Advances in Optics and Photonics, Physics Department IIT Delhi and Delhi Section of the OSA, December 20–21 (2004) (invited)


• Freude, W.; Poulton, C.; Brosi, J.-M.; Koos, C.; Glockler, F.; Wang, J.; Fujii, M.
  Integrated optical waveguide devices: Design, modeling and fabrication
  16th Asia Pacific Microwave Conference (APMC’04), New Delhi, India, December 15–18 (2004) (invited)


• Poulton, C.; Brosi, J.-M.; Koos, C.; Glockler, F.; Wang, J.; Fujii, M.; Freude, W.
  Simulation, Design and Fabrication of Integrated Optical Devices
  Third Joint Symposium on Opto- and Microelectronic Devices and Circuits (SODC 2004), Wuhan, China, March (2004)


• Freude, W.; Brosi, J.-M.; Chakam, G.-A.; Glockler, F.; Koos, C.; Poulton, C.; Wang, J.
  Modelling and design of nanophotonic devices
  URSI – Kleinheubacher Tagung, Miltenberg, Germany, 29 September–02 October (2003) (invited)


• Poulton, C.; Brosi, J.-M.; Glockler, F.; Koos, C.; Wang, J.; Freude, W.; Ilin, K.; Siegel, M.; Fujii, M.
  Modelling, design and realisation of SOI-based nanophotonic devices
  Conference on Functional Nanostructures 2003 (CFN03), Karlsruhe, Germany; September - October (2003)

2009 - 2000

2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 2010

1999 - 1990

1999 | 1998 | 1997 | 1996 | 1995 | 1994 | 1993 | 1992 | 1991 | 1990