Abstract

A passive harmonically mode-locked fiber laser cladding pumped by a broad-area diode-laser array is described. Harmonic mode locking is obtained in a frequency range from 33.3 to 128.6 MHz, where the higher frequency limit is imposed because of insufficient available pump power. The maximum pulse jitter in one cavity round-trip time is between 300 and 50 ps in the whole frequency range, and the sidebands in the frequency domain are suppressed by as much as 50 dB. 600-fs bandwidth-limited pulses with pulse energies of as much as 20 pJ are obtained, giving rise to an average output power as great as 2.5 mW.

© 1996 Optical Society of America

Cladding-pumped passively mode-locked fiber laser generating femtosecond and picosecond pulses

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Passively mode-locked erbium-doped double-clad fiber laser operating at the 322nd harmonic

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190-fs passively mode-locked thulium fiber laser with a low threshold

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Dispersion-tuned harmonically mode-locked fiber ring laser for self-synchronization to an external clock

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Opt. Lett. 21(24) 1984-1986 (1996)