Abstract
We consider spatiotemporal dynamics in an optical system containing a thin film of nonlinear medium having binary-type refractive nonlinear response and a feedback mirror. Steady-state output transverse patterns consist of a set of localized states, and strongly depend on the initial spatial phase modulation (seeded phase image). These steady-state solution properties can be used for nonlinear image processing and edge detection. System dynamics are studied both theoretically and through numerical simulation.
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