Abstract

We present a simple method for suppressing fluctuation of the space-charge field in a photorefractive wave-mixing system. The method can be applicable to any type of such a system, such as two-wave mixing and four-wave mixing. In this method an external illuminating intensity, which is incoherent with the interacting beams, is turned on or off according to the sign of the deviation of the photorefractive output from a set value. The set value can be chosen from a wide range.

© 2001 Optical Society of America

Origin of temporal fluctuation in the photorefractive effect

Ping Xie, Imtiaz A. Taj, and Teruhito Mishima
J. Opt. Soc. Am. B 18(4) 479-484 (2001)

Dynamics of transverse waves and zigzag instabilities in photorefractive two-wave mixing with a feedback mirror

O. Sandfuchs, F. Kaiser, and M. R. Belić
J. Opt. Soc. Am. B 18(4) 505-514 (2001)

Steady-state symmetric three-wave forward interaction in a cubic photorefractive crystal in an ac external electric field

R. V. Litvinov, A. N. Werenickin, and S. M. Shandarov
J. Opt. Soc. Am. B 18(1) 21-31 (2001)

Effect of the relative phase of grating components on the temporal behavior of photorefractive four-wave mixing

Imtiaz Ahmad Taj, Ping Xie, and Teruhito Mishima
J. Opt. Soc. Am. B 18(10) 1490-1496 (2001)

Stabilization of unstable steady states in photorefractive phase conjugators

Ping Xie, Peng-Ye Wang, and Jian-Hua Dai
J. Opt. Soc. Am. B 17(6) 1004-1007 (2000)