Journal Articles (5)

• Wang, C.; Fang, D.; Zhang, J.; Kotz, A.; Lihachev, G.; Churaev, M.; Li, Z.; Schwarzenberger, A.; Ou, X.; Koos, C.; Kippenberg, T. J.
  Ultrabroadband thin-film lithium tantalate modulator for high-speed communications
  Optica 11, 1614-1620 (2024) [DOI] more


• Adib, M. M. H.; Fuellner, C.; Peng, H.; Koos, C.; Freude, W.; Randel, S.
  Coherent time- and wavelength-division multiplexed point-to-multipoint optical access network using low-cost DFB lasers enabled by a frequency comb
  Opt. Express 32, 38516-38530 (2024) [DOI] more


• Dittmer, J.; Tebart, J.; Matalla, P.; Wagner, S.; Tessmann, A.; Bhutani, A.; Koos, C.; Stohr, A.; Randel, S.
  Comparison of electronic and optoelectronic signal generation for (sub-)THz communications
  Int. J. Microw. Wirel. Technol., 1-11 (2024) [DOI] more


• Freude, W.; Kotz, A.; Kholeif, H.; Schwarzenberger, A.; Kuzmin, A.; Eschenbaum, C.; Mertens, A.; Sarwar, S.; Erk, P.; Braese, S.; Koos, C.
  High-Performance Modulators Employing Organic Electro-Optic Materials on the Silicon Platform
  IEEE J. Sel. Top. Quantum Electron. 30, 1-22, Number: 3400222, (2024). Corrections to Table II: IEEE J. Sel. Topics Quantum Electron. 31, 18 March 2025, Number: 9800101 (2024) [DOI] more


• Drayss, D.; Fang, D.; Fuellner, C.; Freude, W.; Randel, S.; Koos, C.
  Non-sliced Optical Arbitrary Waveform Measurement (OAWM) Using a Silicon Photonic Receiver Chip.
  J. Light. Technol. 42, 4733 – 4750 (2024) [DOI] more

Conference Contributions (21)

• Freude, W.
  Communication with light
  Conf. on Lasers and Electro-Optics (CLEO'24), Charlotte (NC), USA, May 5–10, Short Course SC518 (2024)


• Schwarzenberger, A.; Singer, S.; Eschenbaum, C.; Martens, M.; Mertens, A.; Dagher, G.; Valenziano, L.; Sarwar, S.; Kholeif, H.; Kotz, A.; Zwick, T.; Braese, S.; Freude, W.; Randel, S.; Koos, C.
  Linear-drive amplifier-less 112 Gbit/s PAM4 operation of a silicon-organic hybrid (SOH) Mach-Zehnder modulator at 265 mVpp
  Optical Fiber Communication Conference (OFC), San Diego (CA), USA, March 24–28 , Paper M3K.6 (2024) [DOI] more


• Koos, C.; Freude, W.; Randel, S.; Braese, S.; Erk, P.; Eschenbaum, C.; Kuzmin, A.; Mertens, A.; Schwarzenberger, A.; Kholeif, H.; Kotz, A.; Sarwar, S.; Singer, S.
  Silicon-organic hybrid (SOH) integration - from lab to fab
  Optical Fiber Communication Conference (OFC), San Diego (CA), USA, March 24–28 , Paper M3K.1 (2024) [DOI] more


• 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.
  3D freeform millimeter-wave and THz structures based on multi-photon lithography
  Optical Fiber Communication Conference (OFC), San Diego (CA), USA, March 24–28, Poster W2A (2024)


• Schwaab, P.; Maier, P.; Bao, Y.; Singer, S.; Worgull, M.; Freude, W.; Koos, C.
  Pluggable Single-Mode Chip-Chip Connections Using Facet-Attached Microlenses and Passive Mechanical Joints.
  Conference on Lasers and Electro-Optics (CLEO), Charlotte, USA, May 5–10, paper SM1D.5. (2024) [DOI] more


• 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.
  3D free-form millimeter-wave and THz structures based on multiphoton lithography
  Optical Fiber Communications Conference (OFC 2024), San Diego, USA, March 26-12, 2024, paper W2A.5 (2024)


• 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.
  'Spectrally sliced optical arbitrary waveform measurement (OAWM) using a photonic multi-chip receiver assembly
  Optical Fiber Communication Conference (OFC'24), San Diego (CA), USA, March 24–28, 2024, Paper Tu2A.4 (2024)


• Matalla, P.; Koos, C.; Randel, S.
  Comparison of Feedback and Feedforward Clock Recoveries for Ultra-Fast Synchronization in Passive Optical Networks
  Optical Fiber Communication Conference (OFC'24), San Diego (CA), USA, March 24–28, 2024, Paper W2A.36 (2024)


• Peng, H.; Chen, Y.; Robles Lopez, 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.
  Low-Phase-Noise Frequency-Agile Hybrid Integrated Laser Offering Highly Linear Tuning for FMCW LiDAR
  Conference on Lasers and Electro-Optics (CLEO 2024), Charlotte, NC, USA, May 5-10, 2024, paper SM2M.1. (2024) (invited)


• 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.
  ’Wireless THz Communications at 250 Gbit/s Using Self-Injection-Locked Kerr Soliton Microcombs as Photonic-Electronic Oscillators at the Transmitter and Receiver
  European Conference on Optical Communications (ECOC), Frankfurt, Germany, Sept. 22-26, 2024, Paper Tu3F.3 (2024)


• Singer, S.; Xu, Y.; Skacel, S. T.; Menzel, C.; Baldischweiler, B.; Ringwald, S.; Caspers, J. N.; Schneider, S.; Krayl, O.; Reichenbacher, D.; Randel, S.; Freude, W.; Koos, C.
  'LiDAR demonstration using an InP optical phased array (OPA) with a 3D-printed optical beam-shaping element
  European Conference on Optical Communication (ECOC'24), Frankfurt, Germany, Sept. 22-26, 2024; Paper W1F.2 (2024)


• Matalla, P.; Schmitz, L.; Krimmer, J.; Fang, D.; Koos, C.; Randel, S.
  Demonstration of Blind Joint Clock Recovery in a 1.92 Tbit/s Transmission Over 50 km Randomly-Coupled Four-Core Fiber
  European Conference on Optical Communication (ECOC'24), Frankfurt, Germany, Sept. 22-26, 2024; Paper W4C.6 (2024)


• Mardoyan, H.; Drayss, D.; Almonacil, S.; Fang, D.; Sherifaj, A.; Ghazisaeidi, A.; Kelany, M.; Castineiras-Carrero, C.; Koos, C.
  First Single-Carrier Transmission at Net Data Rates of 1.6 Tb/s over 9075 km and 2.4 Tb/s over 1210 km Using 300 GBd Dual-Polarization Signals and Probabilistic Constellation Shaping
  European Conference on Optical Communication (ECOC'24), Frankfurt, Germany, Sept. 22-26; Paper Th2B.2 (2024)


• Mahmud, M. S.; Matalla, P.; Dittmer, J.; Schindler, A.; Runge, P.; Koos, C.; Randel, S.
  Optic-Electronic-Optic Interferometer on an Indium Phosphide Platform
  Conference on Lasers and Electro-Optics (CLEO), Charlotte, USA, May 05-10, 2024, paper STh1Q.6 (2024)


• Schwaab, P.; Maier, P.; Bao, Y.; Singer, S.; Worgull, M.; Freude, W.; Koos, C.
  Pluggable Single-Mode Chip-Chip Connections Using Facet-Attached Microlenses and Passive Mechanical Joints
  Conference on Lasers and Electro-Optics (CLEO), Charlotte, USA, May 05-10, 2024, paper SM1D.5 (2024)


• 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.
  Integrated non-sliced OAWM engine enabling 320 GHz photonic-electronic analog-to-digital conversion
  Optical Fiber Communication Conference (OFC'24), San Diego (CA), USA, March 24–28, 2024, Paper W3B.4 (2024) more


• Foroutan-Barenji, S.; Krimmer, J.; Freude, W.; Koos, C.
  Efficient Modelling of 3D-Printed Freeform Waveguides by a Dedicated Beam-Propagation Method (BPM) Based on Transformation Optics
  European Conference on Integrated Optics (ECIO), Aachen, Germany, June 17-19, Springer Proceedings in Physics (SPPHY), Vol. 402 (2024) [DOI] more


• Peng, H.; Chen, Y.; Robles Lopez, 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.
  Low-Phase-Noise Frequency-Agile Hybrid Integrated Lasers Offering Highly Linear Tuning for FMCW LiDAR
  Conference on Lasers and Electro-Optics (CLEO), Charlotte, USA, May 5-10, SM2M.1, Optica Publishing Group (OSA) (2024)


• Bao, Y.; Paszkiewicz, M.; Krimmer, J.; Freude, W.; Randel, S.; Rockstuhl, C.; Koos, C.
  Loss Prediction and 3D Trajectory Design of Photonic Wire Bonds using Artificial Neural Networks (ANN)
  Conference on Lasers and Electro-Optics (CLEO), Charlotte, USA, May 5-10 , Paper SM1I.3 (2024)


• Fang, D.; Drayss, D.; Chen, Y.; Fuellner, C.; Peng, H.; Quint, A.; Valenziano, L.; Randel, S.; Zwick, T.; Freude, W.; Kippenberg, T. J.; Koos, C.
  Spectrally Sliced Optical Arbitrary Waveform Measurement (OAWM) Using a Photonic Multi-Chip Receiver Assembly
  Optical Fiber Communication Conference (OFC), Technical Digest Series (Opt. Express), March 24-28, Paper Tu2A.4. (2024) more


• 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.
  O-Band SOH Mach-Zehnder Modulator Operating at a PAM4 Line Rate of 384 Gbit/s with Sub-Volt Drive Voltage
  Optical Fiber Communication Conference (OFC), San Diego (CA), USA, March 24–28 , Paper Th4B.6 (2024) more

Workshops (1)

• Krimmer, J.; Randel, S.
  Simulation of Terrestrial Free-Space Optical Communication Links under Atmospheric Turbulence
  ITG Workshop Fachgruppe KT 3.1 Modellierung und Simulation photonischer Komponenten und Systeme, Stuttgart, Germany, Feb. 20 – 21 (2024)

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