Incoherently coupled spatial soliton families in centrosymmetric two-photon photorefractivecrystals

Abstract

It is shown theoretically that incoherently coupled dark, bright and bright–dark hybridsoliton families can exist in centrosymmetric two-photon photorefractive crystals understeady-state conditions. These soliton families can be established provided that theincident optical beams share the same polarization and frequency, and are mutuallyincoherent.