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25 April 2024

» arxiv » nlin.PS/0411021

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Coupled-mode theory for spatial gap solitons in optically-induced lattices
Boris A. Malomed ; Elena A. Ostrovskaya ; Yuri S. Kivshar ;
Date:	9 Nov 2004
Subject:	Pattern Formation and Solitons \| nlin.PS
Abstract:	We develop a coupled-mode theory for spatial gap solitons in the one-dimensional photonic lattices induced by interfering optical beams in a nonlinear photorefractive crystal. We derive a novel system of coupled-mode equations for two counter-propagating probe waves, and find its analytical solutions for stationary gap solitons. We also predict the existence of moving (or tilted) gap solitons and study numerically soliton collisions.
Source:	arXiv, nlin.PS/0411021
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