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Switching-induced perturbation and influence on actively Q-switched fiber lasers

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2 Author(s)
Yong Wang ; Dept. of Eng. Phys., McMaster Univ., Hamilton, Ont., Canada ; Chang-Qing Xu

Dynamic characteristics of typical actively Q-switched fiber lasers are numerically investigated by using the traveling-wave method. The multipeak phenomena of output pulses are analyzed, and the mechanism for these phenomena is detailed. In particular, the switching-induced perturbation and its influence are emphasized under different conditions. A quantitative analysis shows that under certain conditions of cavity, pump and switching, a split-pulse output can turn to a single-pulse output. Then how to realize the single-pulse output is systematically illustrated, and some experimental results are shown for comparison.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:40 ,  Issue: 11 )