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Proceedings Paper

Stochastic characteristics of stimulated Brillouin scattering in Q-switched fiber lasers
Author(s): Yong Wang; Chang-Qing Xu
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Paper 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.

Paper Details

Date Published: 8 September 2006
PDF: 9 pages
Proc. SPIE 6343, Photonics North 2006, 63430W (8 September 2006); doi: 10.1117/12.707711
Show Author Affiliations
Yong Wang, McMaster Univ. (Canada)
Chang-Qing Xu, McMaster Univ. (Canada)

Published in SPIE Proceedings Vol. 6343:
Photonics North 2006
Pierre Mathieu, Editor(s)

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