<p>➀ The Ferdinand-Braun-Institut (FBH) showcases advancements in UV-C LEDs for medical disinfection and gas sensing, emphasizing efficiency and safety; </p><p>➁ Introduces miniaturized UV-C diode laser modules (UV-COLA project) for targeted disinfection in healthcare, developed with TU Chemnitz; </p><p>➂ Presents gallium arsenide (GaAs)-based photonic integrated circuits for quantum technologies, spectroscopy, and biosensing, enabled by silicon nitride PIC integration.</p>