Simulation of the temporal behavior of soliton propagation in photorefractive media

Jean Maufoy 1 Nicolas Fressengeas 1 Delphine Wolfersberger 1 Godefroy Kugel 1
1 LMOPS - Laboratoire Matériaux Optiques, Photonique et Systèmes
Abstract : We consider the propagation of light beams in photorefractive media in the framework of a (1+1)-dimensional model. The Kukhtarev band transport model is introduced both in a time-dependent differential equation describing the evolution of the space charge field and in a nonlinear wave propagation equation. This latter is then numerically solved with a beam propagation method routine. The evolution in time and space of an initially diffracting laser beam is simulated as a function of initial profiles and waists. The beam is shown to go through a transient overfocused state prior to relaxing to a steady state soliton. Additional features such as the stability condition of the system or effects such as optical branching and soliton interactions are studied.
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Journal articles
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https://hal.archives-ouvertes.fr/hal-00632984
Contributor : Nicolas Fressengeas <>
Submitted on : Monday, October 17, 2011 - 11:29:21 AM
Last modification on : Wednesday, October 10, 2018 - 3:44:02 PM

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Jean Maufoy, Nicolas Fressengeas, Delphine Wolfersberger, Godefroy Kugel. Simulation of the temporal behavior of soliton propagation in photorefractive media. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 1999, 59 (5), pp.6116-6121. ⟨10.1103/PhysRevE.59.6116⟩. ⟨hal-00632984⟩

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