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Propagation of incoherently soliton pairs in photorefractive crystals under steady-state conditions is studied. These soliton states can be generated when the two mutually incoherent optical beams with the same polarization and wavelength incident on the biased photorefractive crystal. Such soliton pairs can exist in bright-bright, dark-dark, gray-gray as well as in bright-dark types. In this paper the stability against small perturbation in amplitude is investigated while they do not break up, and instead oscillates around the soliton solution. Results show that the bright-bright pairs can travel a longer distance without broadening in comparison with the other types. Finally the effect of self-deflection is simulated numerically.

Keywords: Nonlinear optics, Photorefractive soliton, Soliton pairs, Incoherently coupled soliton, Self-deflectionPropagation of Incoherently Coupled Soliton Pairs in Photorefractive Crystals and their Self-DeflectionPropagation of incoherently soliton pairs in phot

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