Threshold for spontaneous pattern formation in reflection-grating-dominated photorefractive media with mirror feedback

被引：39

作者：

Honda, T ^{[1
]}

Banerjee, PP ^{[1
]}

机构：

[1] UNIV ALABAMA,DEPT ELECT & COMP ENGN,HUNTSVILLE,AL 35899

来源：

OPTICS LETTERS | 1996年 / 21卷 / 11期

关键词：

D O I：

10.1364/OL.21.000779

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A theoretical analysis is presented of spontaneous pattern formation in a system consisting of a photorefractive medium and a feedback. mirror. A threshold condition for the pattern formation is derived hom a new set of coupling equations with the assumption that reflection gratings are dominant. It is shown that the pattern formation can occur with only energy coupling. The direction of the sideband beams is calculated as a function of the mirror position, and the result is compared with that of an experiment with a KNbO3 crystal. (C) 1996 Optical Society of America

引用

页码：779 / 781

页数：3

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