Second harmonic generation and rectification of space-charge waves in photorefractive crystals

被引：12
|
作者：
Bryksin, VV [1 ]
Petrov, MP [1 ]
机构：
[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
来源：
PHYSICS OF THE SOLID STATE | 2002年 / 44卷 / 10期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.1514775
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A theory explaining the effects of second harmonic generation and rectification of space-charge waves (SCWs) in both space and time in photorefractive crystals and semi-insulating semiconductors is formulated for the first time. The theory predicts two mechanisms of SCW second harmonic excitation. An experimental technique is proposed for second harmonic detection, and the formulas required for interpreting the experimental results are derived. It is found that the effect of complete rectification of SCWs may lead to a change in the current passing through the sample by tens of percent. The results of calculations are in qualitative agreement with preliminary experimental results. (C) 2002 MAIK "Nauka/Interperiodica".
引用
收藏
页码：1869 / 1879
页数：11
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