Kovalchuk, Oleksiy Lee, Sungjae Moon, Hyowon Armani, Andrea M. Song, Yong-Won 2025-05-19T06:00:22Z 2025-05-19T06:00:22Z 2025-05-07 2024-11 2374-0140 https://pubs.kist.re.kr/handle/201004/152440 We demonstrate tunable GHz-pulse fiber lasers by combining spectral filtering with conformal graphene. A microresonator filters modes, and graphene induces mode-locking, enabling pulses exceeding 150 GHz with up to 6.1 GHz tunability through graphene's photo-thermal effect. English IEEE Conformal graphene directly synthesized on intracavity whispering gallery mode microresonators for GHz repetition rate mode-locked lasers Conference 10.1109/IPC60965.2024.10799725 1 2024 IEEE Photonics Conference 2024 IEEE Photonics Conference IT Rome, ITALY 2024-11-10 2024 IEEE PHOTONICS CONFERENCE, IPC 2024 001446495300164 2-s2.0-85215510595