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Article Dans Une Revue Physical Review Letters Année : 1991

Observation of dissipative superluminous solitons in a Brillouin fiber ring laser

Résumé

Nonstationary stimulated Brillouin backscattering in a large-gain optical-fiber ring-cavity laser exhibits superluminous Stokes pulses of quasisoliton type and partial self-induced transparency for the pump. Experimental evidences, comforted by numerical simulation of the three-wave coherent model taking the acoustic-wave dynamics into account, show that this class of long transients occurs even with a cw-coupled pump wave. Generation of large-scale coherent structures in a non-linear optical medium caused by the action of parametric instabilities is one of the most interesting chapters in nonlinear optics. We report in this Letter the prediction and the first experimental observation of superluminous quasisolitons propagating along an optical fiber in a self-induced transparency regime. Following our interpretation , this eAect is related to the coherent behavior of the stimulated Brillouin backscattering (SBS) in a ring cavity .

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hal-01363621 , version 1 (10-09-2016)

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Eric Picholle, Carlos Montes, Claude Leycuras, Olivier Legrand, Jean Botineau. Observation of dissipative superluminous solitons in a Brillouin fiber ring laser. Physical Review Letters, 1991, 66 (11), pp.1454. ⟨10.1103/PhysRevLett.66.1454⟩. ⟨hal-01363621⟩
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