Implementation of a 84 Mbit/s visible-light link based on discrete-multitone modulation and LED room lighting. - Klaus-Dieter Langer; Luz Fernandez del Rosal; Christoph Kottke; Joachim W. Walewski; Stefan Nerreter; Kai Habel; Jelena Vucic (CSNDSP, 2010)

Coherent Subcarrier-WDM-PON system with SSB modulation and wavelength reuse. - Christoph Kottke; Kai Habel; Michael Eiselt; Helmut Griesser; Jörg-Peter Elbers (OFC/NFOEC, 2013)

High-speed visible light communication systems. - Liane Grobe; Anagnostis Paraskevopoulos; Jonas Hilt; Dominic Schulz; Friedrich Lassak; Florian Hartlieb; Christoph Kottke; Volker Jungnickel; Klaus-Dieter Langer (IEEE Commun. Mag., 2013)

Efficient real-time implementation of a channelizer filter with a weighted overlap-add approach. - Felix Frey; Robert Elschner; Christoph Kottke; Colja Schubert; Johannes K. Fischer (ECOC, 2014)

SDN-enabled sliceable BVT based on multicarrier technology for multi-flow rate/distance and grid adaptation. - Michela Svaluto Moreolo; Josep M. Fabrega; Laia Nadal; F. Javier Vilchez; Arturo Mayoral; Ricard Vilalta; Raul Muñoz 001; Ramon Casellas; Ricardo Martínez 001; Masato Nishihara; Toshiki Tanaka; Tomoo Takahara; et al. (ECOC, 2015)

100G beyond Ethernet transport for inter- and intra-DCN communication with solutions and optical enabling technologies in the ICT STRAUSS project. - Shuangyi Yan; Shuping Peng 001; Yan Yan 019; Bijan Rahimzadeh Rofoee; Yi Shu; Emilio Hugues-Salas; Georgios Zervas; Dimitra Simeonidou; Michela Svaluto Moreolo; Josep M. Fabrega; Laia Nadal; Yuki Yoshida; et al. (EuCNC, 2015)

Digital signal splitting among multiple DACs for analog bandwidth interleaving (ABI). - Christian Schmidt 001; Vicky H. Tanzil; Christoph Kottke; Ronald Freund; Volker Jungnickel (ICECS, 2016)

154.9 Gb/s OFDM transmission using IM-DD, electrical IQ-mixing and signal combining. - Christoph Kottke; Kai Habel; Christian Schmidt 001; Volker Jungnickel (OFC, 2016)

100G OFDM-PON for converged 5G networks: From concept to real-time prototype. - Kai Habel; Matthias Koepp; Stefan Weide; Luz Fernandez del Rosal; Christoph Kottke; Volker Jungnickel (OFC, 2017)

High speed 160 Gb/s DMT VCSEL transmission using pre-equalization. - Christoph Kottke; Christoph Caspar; Volker Jungnickel; Ronald Freund; Mikel Agustin; Nikolay N. Ledentsov (OFC, 2017)

Analog vs. next-generation digital fronthaul: How to minimize optical bandwidth utilization. - Malte Hinrichs; Luz Fernandez del Rosal; Christoph Kottke; Volker Jungnickel (ONDM, 2017)

Bandwidth Enhancement for an Optical Access Link by using a Frequency Interleaved DAC. - Christian Schmidt 001; Christoph Kottke; Ronald Freund; Volker Jungnickel (OFC, 2018)

Bandwidth Extension Techniques for High-Speed Access Networks. - Christoph Kottke; Christian Schmidt 001; Ronald Freund; Volker Jungnickel (OFC, 2018)

Digital-to-Analog Converters Using Frequency Interleaving: Mathematical Framework and Experimental Verification. - Christian Schmidt 001; Christoph Kottke; Vicky H. Tanzil; Ronald Freund; Volker Jungnickel; Friedel Gerfers (Circuits Syst. Signal Process., 2018)

Integration of Optical Wireless Communication with 5G Systems. - Taner Metin; Marc Emmelmann; Marius Corici; Volker Jungnickel; Christoph Kottke; Marcel Müller (GLOBECOM (Workshops), 2020)

Leverage LiFi in Smart Manufacturing. - Marcel Müller; Daniel Behnke; Patrick-Benjamin Bök; Christoph Kottke; Kai Lennert Bober; Volker Jungnickel (GLOBECOM (Workshops), 2020)

LiFi for Industrial Wireless Applications. - Volker Jungnickel; Pablo Wilke Berenguer; Sreelal Maravanchery Mana; Malte Hinrichs; Sepideh Mohammadi Kouhini; Kai Lennert Bober; Christoph Kottke (OFC, 2020)

ELIoT: New Features in LiFi for Next-Generation IoT. - Jean-Paul M. G. Linnartz; C. R. B. Corrêa; T. E. Bitencourt Cunha; Eduward Tangdiongga; Ton Koonen; Xiong Deng; M. Wendt; A. Abbo; Pieter J. Stobbelaar; Marcel Müller; Daniel Behnke; M. M. Vazquez; et al. (EuCNC/6G Summit, 2021)

LiFi based Positioning for Indoor Scenarios. - Sepideh Mohammadi Kouhini; Ziyan Ma; Christoph Kottke; Sreelal Maravanchery Mana; Ronald Freund; Volker Jungnickel (ISWCS, 2021)

Fiber-based Frequency Modulated LiDAR With MEMS Scanning Capability for Long-range Sensing in Automotive Applications. - Sarah Cwalina; Christoph Kottke; Volker Jungnickel; Ronald Freund; Patrick Runge; Pascal Rustige; Thomas Knieling; Shanshan Gu-Stoppel; Jörg Albers; Norman Laske; Frank Senger; Lianzhi Wen; et al. (MetroAutomotive, 2021)

All-Indoor Optical Customer Premises Equipment for Fixed Wireless Access. - Dominic Schulz; Julian Hohmann; Peter Hellwig; Christoph Kottke; Ronald Freund; Volker Jungnickel; Ralf-Peter Braun; Frank Geilhardt (OFC, 2021)

Object Tracking in an Indoor Scenario: Potential for Centimeter Accuracy with LiFi. - Sepideh Mohammadi Kouhini; Ziyan Ma; Christoph Kottke; Sreelal Maravanchery Mana; Ronald Freund; Volker Jungnickel (CSNDSP, 2022)

LiFi Positioning and Optimization in an Indoor Factory Environment. - Ziyan Ma; Sepideh Mohammadi Kouhini; Christoph Kottke; Ronald Freund; Volker Jungnickel; Marcel Müller; Daniel Behnke (IECON, 2022)

Up to 600 Gbit/s data transmission over 100 m of single multi-mode fiber using 4×λ 850-940 nm VCSELs. - Nikolay Ledentsov Jr.; Christoph Kottke; Lukasz Chorchos; Vitaly A. Shchukin; Oleg Y. Makarov; M. Bou Sanayeh; Vladimir P. Kalosha; Volker Jungnickel; Ronald Freund; Jaroslaw P. Turkiewicz; Nikolay N. Ledentsov (OFC, 2022)

LiFi with 5G for the Smart Factory. - Marcel Müller; Marc Emmelmann; Daniel Behnke; Dominic Schulz; Kai Lennert Bober; Christoph Kottke; Volker Jungnickel; Taner Metin (WCNC, 2022)

ELIoT: enhancing LiFi for next-generation Internet of things. - Jean-Paul M. G. Linnartz; C. R. B. Corrêa; T. E. Bitencourt Cunha; Eduward Tangdiongga; Antonius M. J. Koonen; Xiong Deng; M. Wendt; A. Abbo; Pieter J. Stobbelaar; P. Polak; Marcel Müller; Daniel Behnke; et al. (EURASIP J. Wirel. Commun. Netw., 2022)

56 GBaud PAM-4 Direct Detection with High-Speed Avalanche Photodiodes. - Tobias Beckerwerth; Christoph Kottke; Volker Jungnickel; Ute Troppenz; Martin Möhrle; Patrick Runge; Martin Schell (OFC, 2023)

Coherent LiDAR Prototype Based on 2D MEMS Mirror Scanning. - Sarah Cwalina; Christoph Kottke; Norman Laske; Volker Jungnickel; Ronald Freund (OFC, 2023)

In-building Optical Wireless Positioning Using Time of Flight. - Christoph Kottke; Ziyan Ma; Sepideh Mohammadi Kouhini; Volker Jungnickel (OFC, 2023)

4 x 200 Gb/s EML-Array with a Single MQW Layer Stack. - Michael Theurer; Christoph Kottke; Ronald Freund; Felix Ganzer; Patrick Runge; Martin Moehrle; Ute Troppenz; Ariane Sigmund; Martin Schell (OFC, 2023)

Investigating Temperature Effects in Directly Modulated Laser-Diodes in Coherent FMCW-LiDAR Systems. - Max Julius Bode; Sarah Cwalina; Markus Nölle; Christoph Kottke; Volker Jungnickel; Ronald Freund (MetroAutomotive, 2025)