Journal Articles (10)

• Haffert, S. Y.; Harris, R. J.; Zanutta, A.; Pike, F.; Bianco, A.; Redaelli, E. M. A.; Benoit, A.; MacLachlan, D.; Ross, C.; Maier, P.
  Diffraction-limited integral-field spectroscopy for extreme adaptive optics systems with the multicore fiber-fed integral-field unit
  J. Astron Telesc Instrum Syst 6, 045007 (2020) [DOI] more


• Trappen, M.; Blaicher, M.; Dietrich, P.-I.; Dankwart, C.; Xu, Y.; Hoose, T.; Billah, M. R.; Abbasi, A.; Baets, R.; Troppenz, U.; Theurer, A.; Woerhoff, K.; Seyfried, M.; Freude, W.; Koos, C.
  3D-printed optical probes for wafer-level testing of photonic integrated circuits
  Opt. Express 28, 37996-38007 (2020) [DOI]


• Harter, T.; Fuellner, C.; Kemal, J. N.; Ummethala, S.; Steinmann, J. L.; Brosi, J.-M.; Hesler, J. L.; Bruendermann, E.; Mueller, A.-S.; Freude, W.; Randel, S.; Koos, C.
  Generalized Kramers–Kronig receiver for coherent terahertz communications
  Nature Photonics 14, 601-606 (2020) more


• Kieninger, C.; Fuellner, C.; Zwickel, H.; Kutuvantavida, Y.; Kemal, J. N.; Eschenbaum, C.; Elder, D. L.; Dalton, L. R.; Freude, W.; Randel, S.
  Silicon-Organic Hybrid (SOH) Mach-Zehnder Modulators for 100 GBd PAM4 Signaling With Sub-1 dB Phase-Shifter Loss
  Opt. Express 28, 24693-24707 (2020) [DOI]


• Kemal, J. N.; Marin-Palomo, P.; Merghem, K.; Aubin, G.; Lelarge, F.; Ramdane, A.; Randel, S.; Freude, W.; Koos, C.
  32QAM WDM transmission at 12 Tbit/s using a quantum-dash mode-locked laser diode (QD-MLLD) with external-cavity feedback
  Opt. Express 28, 23594-23608 (2020) [DOI]


• Zazzi, A.; Mueller, J.; Gudyriev, S.; Marin-Palomo, P.; Fang, D.; Scheytt, J. C.; Koos, C.; Witzens, J.
  Fundamental limitations of spectrally-sliced optically enabled data converters arising from MLL timing jitter
  Opt. Express 28, 18790-18813 (2020) [DOI]


• Zwickel, H.; Singer, S.; Kieninger, C.; Kutuvantavida, Y.; Muradyan, N.; Wahlbrink, T.; Yokoyama, S.; Randel, S.; Freude, W.; Koos, C.
  Verified equivalent-circuit model for slot-waveguide modulators
  Opt. Express 28, 12951-12976 (2020) [DOI]


• Blaicher, M.; Billah, M. R.; Kemal, J. N.; Hoose, T.; Marin-Palomo, P.; Hofmann, A.; Kutuvantavida, Y.; Kieninger, C.; Dietrich, P.-I.; Lauermann, M.; Wolf, S.; Troppenz, U.; Moehrle, M.; Merget, F.; Skacel, S.; Witzens, J.; Randel, S.; Freude, W.; Koos, C.
  Hybrid multi-chip assembly of optical communication engines by in situ 3D nano-lithography
  Light Sci. Appl 9, 71 (2020) [DOI] more


• Marin-Palomo, P.; Kemal, J. N.; Kippenberg, T. J.; Freude, W.; Randel, S.; Koos, C.
  Performance of chip-scale optical frequency comb generators in coherent WDM communications
  Opt. Express 28, 12897--12910 (2020) [DOI]


• Kohler, D.; Allegro, I.; Wondimu, S. F.; Hahn, L.; Freude, W.; Koos, C.
  Lasing in Si3N4-organic hybrid (SiNOH) waveguides
  Opt. Express 28, 5085--5104 (2020) [DOI]

Conference Contributions (16)

• Harris, R. J.; Pike, F.; Trappen, M.; Haffert, S. Y.; Xu, Y.; Benoit, A.; Ross, C.; MacLachlan, D.; Barboza, S.; Maier, P.
  Multi-core fibre-fed integral field spectrograph (MCIFU) IV: the fiber link
  R. Geyl & R. Navarro (Eds.), Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, online, USA, Dec. 14-22 , 11451, 1145124 (2020) [DOI]


• Haffert, S. Y.; Harris, R. J.; Zanutta, A.; Pike, F.; Bianco, A.; Redaelli, E. M. A.; Benoit, A.; MacLachlan, D.; Ross, C.; Maier, P.
  Multi-core fibre-fed integral-field unit (MCIFU): overview and first-light
  D. Schmidt, L. Schreiber & E. Vernet (Eds.), Adaptive Optics Systems VI, online, USA, Dec. 14-22 , 11448 (2020) [DOI]


• Anagnos, T.; Maier, P.; Hottinger, P.; Betters, C. H.; Feger, T.; Leon-Saval, S. G.; Gris-Sanchez, I.; Yerolatsitis, S.; Lozi, J.; Birks, T. A.
  An innovative integral field unit upgrade with 3D-printed micro-lenses for the RHEA at Subaru
  R. Geyl & R. Navarro (Eds.), Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, 263, online, SPIE, Dec. 13 , 114516Y (2020) [DOI]


• Krimmer, J.; Fuellner, C.; Randel, S.
  A New Approach to Nonuniform Sampling of Bounded Atmospheric Turbulence Spectra
  46th European Conference on Optical Communication (ECOC), Brussels, Belgium, Dec.06-10 , paper We1G-6 (2020) [DOI]


• 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.; Fuellner, C.; Schaefer, J.; Gudyriev, S.; Zazzi, A.; Mueller, J.; Tessmann, A.
  Photonic-Electronic Ultra-Broadband Signal Processing: Concepts, Devices, and Applications
  IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS), Monterey (CA) USA, Nov. 16-19 (2020) [DOI]


• Krimmer, J.; Fuellner, C.; Freude, W.; Koos, C.; Randel, S.
  Statistical Analysis of Free-Space-to-Fiber Coupling Under Atmospheric Turbulence
  Advanced Photonics Congress (Networks 2020), Washington, DC (D.C.), USA, July 13-16 , paper NeTu2B.5 (2020) [DOI] more


• Adib, M. M. H.; Marin-Palomo, P.; Kemal, J. N.; Fuellner, C.; Mahmud, M. S.; Ramdane, A.; Koos, C.; Freude, W.; Randel, S.
  Coherent TWDM-PON Downstream Architecture Based on a Chip-Scale QD-MLLD
  Advanced Photonics Congress (Networks), Optical Society of America, Washington, DC, USA, July 13-16 , paper NeM4B.3 (2020) [DOI] more


• Trappen, M.; Dietrich, P.-I.; Burger, P.; Blaicher, M.; Goering, G.; Schimmel, T.; Freude, W.; Hoelscher, H.; Koos, C.
  AFM engine with optical actuation and readout printed on the facet of a multi-core fiber
  Conference on Lasers and Electro-Optics (CLEO), San Jose (CA), USA, May 10-15 , paper SM2N.7 (2020) more


• Mahmud, M. S.; Kemal, J. N.; Adib, M. M. H.; Fuellner, C.; Schindler, A.; Runge, P.; Schell, M.; Freude, W.; Koos, C.; Randel, S.
  Optic-Electronic-Optic Interferometer: A First Experimental Demonstration
  Confference on Lasers and Electro-Optics (CLEO), Washington, DC (D.C.), USA, May 10–15 , paper SF1L.1 (2020) more


• Ummethala, S.; Pammi, V. A.; Uddin, A. H. M.; Hahn, L.; Freude, W.; Koos, C.
  Horizontal-Slot Plasmonic-Organic Hybrid (POH) Modulator
  Conference on Lasers and Electro-Optics (CLEO), San Jose (CA), USA, May 10-15 , paper SM2J.4 (2020) [DOI] more


• Zazzi, A.; Fang, D.; Scheytt, J. C.; Gudyriev, S.; Koos, C.; Marin-Palomo, P.; Witzens, J.
  Mode-locked Laser Timing Jitter Limitation in Optically Enabled, Spectrally Sliced ADCs
  21th ITG-Symposium on Photonic Networks, Online, Nov- 24-25 VDE ITG Fachberichte 294, 114-118 VDE Verlag (2020) [DOI] more


• Randel, S.; Harter, T.; Fuellner, C.; Ummethala, S.; Koos, C.; Freude, W.
  Opto-Electronic Terahertz Transceivers for Wireless 5G Backhaul
  Optical Fiber Communication Conference (OFC), San Diego (CA), USA, March 08–12 , paper M4I.6 (2020) (invited)


• Xu, Y.; Maier, P.; Blaicher, M.; Dietrich, P.-I.; Billah, M. R.; Marin-Palomo, P.; Hartmann, W.; Troppenz, U.; Moehrle, M.; Randel, S.; Freude, W.; Koos, C.
  InP/Silicon Hybrid External-Cavity Lasers (ECL) Using Photonic Wirebonds as Coupling Elements
  Optical Fiber Communication Conference (OFC), San Diego (CA), USA, March 08–12, paper M4H.6 (2020) more


• Kieninger, C.; Fuellner, C.; Zwickel, H.; Kutuvantavida, Y.; Kemal, J. N.; Eschenbaum, C.; Freude, W.; Randel, S.; Koos, C.
  SOH Mach-Zehnder Modulators for 100 GBd PAM4 Signaling With Sub-1 dB Phase-Shifter Loss
  Optical Fiber Communication Conference (OFC'20), San Diego (CA), USA, March 08–12 , paper Th3C.3 (2020) more


• Krimmer, J.; Fuellner, C.; Freude, W.; Koos, C.; Randel, S.
  Statistical Modelling of Free-Space to Multi-Mode-Fiber Coupling Under Atmospheric Turbulence
  ITG Workshop KT31 „Modellierung photonischer Komponenten und Systeme”, KIT, IPQ, Karlsruhe, Germany, Feb. 18-19 , paper NeM4B.3 (2020) [DOI]


• Su, Y.; Trappen, M.; Blaicher, M.; Koos, C.; Nahm, W.
  A 3D resolution and aberration test target for confocal laser endomicroscopy
  SPIE BiOS 2020, San Francisco (CA), USA, Feb. 01-03 , 11229 (2020) [DOI]

Books (1)

• Kemal, J. N.; Marin-Palomo, P.; Karpov, M.; Anderson, M. H.; Freude, W.; Kippenberg, T. J.; Koos, C.
  Chapter 2 - Chip-based frequency combs for wavelength-division multiplexing applications
  In: Willner, A. E. (Ed): Optical Fiber Telecommunications VII, Academic Press, ISBN 978-0-12-816502-7, pp. 51 - 102, (2020) [DOI],

Lectures (1)

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

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