3 December 2003 Wave-mixing solitons in bulk photorefractive crystals
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Instead of unstable solutions for conventional four-wave mixing equation set, we obtain the stationary soliton solution for the dynamic grating amplitude and stable auto-oscillations of the dynamic grating. The dynamics of grating recording is described by the sine-Gordon equations in transmission four-wave mixing with non-local grating. The method to calculate the grating amplitude profile and the both steady state and oscillation regimes is developed.
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S. A. Bugaychuk, Laszlo Kovács, Gabor Mandula, Katalin Polgár, Romano A. Rupp, "Wave-mixing solitons in bulk photorefractive crystals", Proc. SPIE 5257, Ninth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, (3 December 2003); doi: 10.1117/12.545772; https://doi.org/10.1117/12.545772

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