Abstract
Optical patterns generated in a nonlinear optical feedback system composed of an optically addressable spatial light modular and two-dimensional optical feedback contain many stable components of a spatial frequency. The spatial frequency components are supported by the Talbot effect model. We demonstrate that each component in the optical patterns is individually selected by a direct modulation method for a spatial frequency. From our findings, we discuss that the main spatial frequency of the generated optical pattern is decided by competition between the stable solutions, based on the modulation transfer functions of the spatial light modulator and the optical feedback with a spatial frequency filter.
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