Formation dynamics of nonvolatile crossed-beam photorefractive gratings in doubly doped LiNbO3 crystals: Theoretical investigation

被引：1
|
作者：
Wang, Xin [1 ]
Yan, Aimin [2 ]
Liu, De'an [2 ]
Li, Xiangyin [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Phys Expt Ctr, Nanjing 210094, Jiang Su, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
来源：
OPTIK | 2010年 / 121卷 / 05期
关键词：
Two-center holographic recording; Crossed-beam photorefractive gratings; Two-center band transport model; Two-dimensional coupled-wave theory; DIFFRACTION EFFICIENCY; BRAGG-DIFFRACTION; VOLUME GRATINGS; GAUSSIAN BEAMS; GEOMETRY;
D O I：
10.1016/j.ijleo.2008.08.006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The formation dynamics of crossed-beam photorefractive gratings formed by the method of two-center holographic recording in doubly doped LiNbO3 crystals is investigated in this paper based on the theoretical model combining the two-center band transport model with the two-dimensional coupled-wave theory. The numerical simulations are presented for two-center holographic recording crossed-beam photorefractive gratings in LiNbO3:Fe:Mn crystals. The temporal and spatial evolutions of the refractive index modulation and the diffraction efficiency are shown. The spatial variation of the wave intensity is also presented. (C) 2008 Elsevier GmbH. All rights reserved.
引用
收藏
页码：457 / 461
页数：5
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