Introducing Advanced Freeform Optic Design to Li-Fi Technology. - René Kirrbach; Benjamin Jakob; Alexander Noack (PHOTOPTICS, 2019)

High Power Eye-Safe Optical Wireless Gigabit Link Employing a Freeform Multipath Lens. - René Kirrbach; Michael Faulwasser; Mira Stephan; Tobias Schneider; Frank Deicke (IEEE Commun. Lett., 2022)

Adaptive Transmitter Regulation for Linear Optical Wireless Communications. - René Kirrbach; Mira Stephan; Mehrzad Firoozi; Alexander Noack; Katarzyna Zielant; Frank Deicke (GLOBECOM, 2023)

Time Sensitive Networking Testbed with Wireless Real-Time Connectivity via Li-Fi and Energy Efficiency Analysis. - Philipp Meißner; René Kirrbach; Frank Bär (WFCS, 2025)