Keyvaninia, ShahramShahramKeyvaniniaBoerma, HendrikHendrikBoermaTran, Trung ThanhTrung ThanhTranSchindler, AlexanderAlexanderSchindlerRunge, PatrickPatrickRungeKaiser, RonaldRonaldKaiserSchell, MartinMartinSchell2023-06-222023-06-222022https://publica.fraunhofer.de/handle/publica/4433092-s2.0-851367876142-s2.0-85139911160A record low repetition rate monolithic InP mode-locked laser is experimentally reported. Under passive mode-locking, an electrical beat tone at 670 MHz with an electrical linewidth of sub-kHz and a signal-to-noise ratio > 40 dB is measured.enMonolithic InP extended cavity mode-locked laser with a record low 670 MHz repetition rateconference paper