High-Energy Passive Mode-Locking of Fiber Lasers

Abstract EN

Mode-locking refers to the generation of ultrashort optical pulses in laser systems.

A comprehensive study of achieving high-energy pulses in a ring cavity fiber laser that is passively mode-locked by a series of waveplates and a polarizer is presented in this paper.

Specifically, it is shown that the multipulsing instability can be circumvented in favor of bifurcating to higher-energy single pulses by appropriately adjusting the group velocity dispersion in the fiber and the waveplate/polarizer settings in the saturable absorber.

The findings may be used as practical guidelines for designing high-power lasers since the theoretical model relates directly to the experimental settings.