Coupled longitudinal and transverse stimulated Brillouin scattering in single-mode optical fibers |
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Authors: | I Bongrand É Picholle C Montes |
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Institution: | (1) CNRS, Laboratoire de Physique de la Matière Condensée, Université de Nice-Sophia Antipolis, Parc Valrose, 06108 Nice Cedex, France, FR |
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Abstract: | Due to their finite numerical aperture, both longitudinal and transverse stimulated Brillouin scattering can occur in single-mode
fibers. We discuss the role of the fiber structure and propose a coherent model accounting for both effects. We show experimentally
and numerically that, in some cases, the perturbative cladding Brillouin scattering (CBS) can severely affect the dynamics
of SBS Brillouin fiber lasers. New dynamical regimes of long-fiber Brillouin ring lasers are presented, including stable trains
of modulated pulses.
Received 17 September 2001 / Received in final form 5 March 2002 Published online 28 June 2002 |
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Keywords: | PACS 42 65 Es Stimulated Brillouin and Rayleigh scattering – 42 81 Dp Propagation scattering and losses solitons – 42 25 Gy Edge and boundary effects reflection and refraction |
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