Abstract

Harmonic injection locking can generate pulse trains at high repetition rates from passively mode-locked lasers. We have examined experimentally the mutual interaction of noise with the locking process. For injected signals with large timing and amplitude noise, the mode-locked fiber laser generated a pulse train with reduced noise. Injected signals with low timing and amplitude noise were employed for the reduction of the internal noise of the passively mode-locked laser. The achieved output pulse-to-pulse timing jitter in the range of 20–2500 Hz was ~0.6 ps, comparable with that of actively stabilized fiber lasers.

© 1995 Optical Society of America

High-repetition-rate mode-locked Er-doped fiber lasers by harmonic injection locking

M. Margalit, M. Orenstein, and G. Eisenstein
Opt. Lett. 20(17) 1791-1793 (1995)

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