… in a photorefractive crystal by an oscillating interference pattern have steady-state (stable)
and oscillating … When a photorefractive material is illuminated by two coherent plane waves, …

… (intensity) detection of the coherently combined pump and modulated signal beams, just as
… coherent optical communication systems in which a strong local-oscillator field is coherently …

… data storage, information processing, coherent image amplification, three-dimensional optical
… is mixed with a pump beam inside the photorefractive crystal, where the two beams can …

… electric-field grating by a pair of coherent light waves with equal or nearly equal frequencies.[1]
… But if we take these oscillations into account, we have the possibility of connecting the …

Optical processing with photorefractive polymers depends … new high-performance photorefractive
polymer composite, the … two concave mirrors, spontaneous oscillation due to two-beam …

… In all photorefractive oscillations, a short coherence length is preferred to ensure that … in the
crystaL 5.S To conclude, we have demonstrated a new type of photorefractive laser oscillator …

… photorefractive four-wave mixing in a ring cavity and its use as a new optical gyroscope. We
showed that frequency detuning of the oscillating … efficiency of the mixing crystal. In that study…

… through the crystal causes an additional enhancement of the backward-propagating waves,
corresponding to a feedback necessary for oscillation. As a result coherent output beams self…

… , they can, under the proper conditions, be made to oscillate coherently, there by locking
the frequency of the two la sers. With this scheme, workers hope that thousands of …

… Two coherent beams E (r, t) and E(r,t) interfere inside a photorefractive crystal: E is the
pump beam and E is the probe and also the oscillating field. The two beam directions are …