Hybrid FSO/mmWave Industry 5.0 System Enabled by Ultra-Fast Tunable PZT-Based External Cavity Laser. - Evrydiki Kyriazi; Ilka Visscher; Panagiotis Toumasis; Georgios Megas; E. Loukisa; Georgios Syriopoulos; M. Zafar; Roelof Bernardus Timens; Argiris Ntanos; Aristeidis Stathis; Giannis Giannoulis; Giannis Poulopoulos; et al. (ECOC, 2025)