We show how photorefractive two wave mixing allows a nonlinear input-output response
providing compational abilities of decision. Particularly, we investigate the realization of a …

We show how photorefractive two-wave mixing allows a nonlinear input-output response
providing computational abilities of decision. Particularly, we investigate the realization of a …

It is remarkable that photorefractive crystals, such as barium titanate, display such enormous
optical nonlinearities with the minimum of optical intensity levels, typically no more than that …

Current interest in the nonlinear optical properties of photorefractive materials stems from
the fact that they are potential components in the design of parallel optical logic architecture …

CURRENT ADVANCES IN INFORMATION TECHNOLOGIES HAVE STIMULATED A
PROGRESSIVE INTERACTION BETWEEN" OPTICS" AND" INFORMATION". IN THIS …

The nonlinear phenomena of signal beam saturation, pump beam depletion, and optically
controlled coupling coefficient of two-beam interaction in photorefractive materials are …

Theoretical and experimental results are presented for simultaneous multibeam coupling in
photorefractive BaTiO3. Within a single crystal, multiple signals are amplified through a …

Landmark Papers on Photorefractive Nonlinear Optics : Real-time image processing via four-wave
mixing in a photorefractive mediu Page 1 Real-time image processing via four-wave mixing in …

Incoherent optical pattern recognition has been demonstrated with a simple setup using
photorefractive BaTiO 3 crystal. The input patterns to be identified can be transmitted into the …

Advances in photonic systems rely heavily on the development of nonlinear processing
devices for manipulating laser beams and complex coherent wavefronts. A highly non linear …