Abstract

Mode-locking in laser cavities has attracted great interest due to its wide range of applications in generating optical frequency combs and ultra-short pulse trains. Here, a mode-locked fiber laser with a distributed selectable wavelength feedback is proposed based on radio frequency maneuverability. The laser is capable of generating transform-limited pulses with a selectable wavelength and repetition rates by interrogating different reflectors through active modulation. Intriguing laser pulses were realized, which can have >930 times width compression ratio compared with the modulation signal and can be selectively locked to reflectors separated in centimeter scale.

© 2023 Optica Publishing Group

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