Stochastic characteristics of stimulated Brillouin scattering in Q-switched fiber lasers

Yong Wang; Chang-Qing Xu

doi:10.1117/12.707711

8 September 2006 Stochastic characteristics of stimulated Brillouin scattering in Q-switched fiber lasers

Yong Wang, Chang-Qing Xu

Proceedings Volume 6343, Photonics North 2006; 63430W (2006) https://doi.org/10.1117/12.707711
Event: Photonics North 2006, 2006, Quebec City, Canada

Abstract

The stimulated Brillouin scattering (SBS) is a major limitation of maximum output power extracted from a high-power fiber laser. Compared with the SBS in passive optical fibers, the formation and evolution of the Brillouin-Stokes waves in Q-switched fiber lasers are more complicated. In this work, the stochastic characteristics of the SBS pulses generated in Q-switching processes were investigated experimentally and theoretically. In the experiments, we measured the temporal and spectral outputs of a Q-switched ytterbium-doped double-clad fiber laser; while in the theory, using the proposed theoretical model of the Q-switched fiber laser in conjunction with the SBS, we investigated the stochastic characteristics of the signal and Stokes pulses and showed their mutual conversions in Q-switching processes. The experimental and theoretical results are consistent with each other.

Citation Download Citation

Yong Wang and Chang-Qing Xu "Stochastic characteristics of stimulated Brillouin scattering in Q-switched fiber lasers", Proc. SPIE 6343, Photonics North 2006, 63430W (8 September 2006); https://doi.org/10.1117/12.707711

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