The prediction of a critical slowing down effect in four wave mixing has been made which
leads to the concept of a constant gain-bandwidth product for four wave mixing. The effects …

Consideration of the coupled wave equations governing three wave mixing in
photorefractives and nematic liquid crystals, when both are exhibiting a local response …

The authors analyze the problem of determining the influence of four index grating types,
namely, transmission, reflection, pump and signal with arbitrary relationships of their …

The nonlinear theory of photorefractive materials is used to analyze beam fanning, two-wave
coupling and subharmonic generation. Novel applications based on the nonlinear behavior …

The author reports the use of phase modulation techniques in two-wave mixing (2WM)
experiments for measuring the phase shift psi between the interference pattern projected …

The authors report the detailed study of salient features of an adaptive interferometer
operating via dynamic two-wave mixing in a cubic photorefractive Bi/sub 12/SiO/sub …

Photorefractive two wave mixing has many potential applications in the areas of optical
image processing, optical interconnection, and optical computing. However, because of the …

抄録 Introduction Four-wave mixing with a photorefractive crystal have been studied actively
and their bistable properties have been reported. But no idea to control the bistability have …

The physics of the photorefractive effect is briefly discussed. A coupled-mode theory is then
developed to analyze the coupling of two coherent electromagnetic waves inside a …

In photorefractive two wave mixing (TWM) using a BaTiO 3, output power of amplified signal
beam is often fluctuating. The amplification factor is very sensitive to disturbances such as …