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Spatial extreme events in a photorefractive single-feedback system

Abstract : We analyze pattern formation in an optical system composed of a bulk photorefractive crystal subjected to a single optical feedback. Far above the modulational instability threshold, in a highly nonlinear regime we report on a turbulent spatio-temporal dynamics that leads to rare and intense localized optical peaks. We demonstrate that the statistics and features of those peaks correspond to two dimensional rogue events. These optical rogue waves arise erratically in space and time and live for a typical time of the same order of the response time of the photorefractive material.
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https://hal-supelec.archives-ouvertes.fr/hal-01060582
Contributor : Sébastien van Luchene <>
Submitted on : Thursday, September 4, 2014 - 9:20:03 AM
Last modification on : Wednesday, April 15, 2020 - 11:38:12 AM

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Nicolas Marsal, Vianney Caullet, Delphine Wolfersberger, Marc Sciamanna. Spatial extreme events in a photorefractive single-feedback system. SPIE Photonics Europe: Nonlinear Optics and Its Applications VIII, Apr 2014, Brussels, Belgium. pp.1-6, ⟨10.1117/12.2052344⟩. ⟨hal-01060582⟩

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