Enhancement of laser noise image based on stochastic resonance process in lithium
niobate crystals is studied theoretically and experimentally in this paper. A noise function …

Phase-conjugate (PC) reflectivity is one of the most important parameters that characterize
the four-wave mixing process in photorefractive (PR) materials. In this paper, the effect of the …

The intensity of oscillation and the oscillation frequency shift are two most important
parameters that characterize the performance of a photorefractive ring oscillator. In this …

Stochastic resonance processes based on optical nonlinearity of lithium niobate crystals is
investigated theoretically and experimentally in this paper for noise image processing. A …

Refractive index of the photorefractive material varies with illumination due to spatial
variation in light intensity is of great interest because of its potential application in …