Abstract

The propagation behavior of bright spatial solitons in periodically poled photovoltaic (PV) photorefractive (PR) crystals is investigated by considering the diffusion effect. Our analysis indicates that the diffusion effect is modulated by the periodic domain inversion structure (PDIS) of PV PR crystal and therefore can be managed by designing PDIS. By employing numerical integration and perturbation analysis, we find that the self-deflection of the bright soliton beam arising from diffusion effect can be suppressed in PV PR crystals with an appropriate PDIS.

© 2008 Optical Society of America

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