SPATIAL INTEGRATION OF OPTICAL BEAMS USING PHASE-SHIFTED BRAGG GRATING

被引：2
|
作者：
Golovastikov, N. V. [1 ]
Bykov, D. A. [1 ]
Doskolovich, L. L. [2 ]
机构：
[1] Russian Acad Sci, Samara State Aerosp Univ, Image Proc Syst Inst, Diffract Opt Lab, Samara, Russia
[2] Russian Acad Sci, Samara State Aerosp Univ, Image Proc Syst Inst, Samara, Russia
来源：
COMPUTER OPTICS | 2014年 / 38卷 / 03期
关键词：
phase-shifted Bragg grating; resonance; all-optical integration;
D O I：
10.18287/0134-2452-2014-38-3-372-376
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The diffraction of a 2D optical beam upon a multilayer Bragg structure is considered. It is shown that phase-shifted Bragg grating can perform spatial integration in transmission of a 2D incident beam in the vicinity of the angular frequency associated with the excitation of a quasiguided mode confined to the defect layer. The integration is fulfilled with an exponential weight function which fades away as the quality factor of the resonance increases. Beam propagation simulation results are in close agreement with provided theoretical description.
引用
收藏
页码：372 / 376
页数：5
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