Investigation on the bistability of linearly chirped nonlinear Bragg gratings

被引：3
|
作者：
Tian, Jian-Feng [1 ]
机构：
[1] Taiyuan Normal Univ, Dept Phys, Taiyuan 030031, Peoples R China
来源：
OPTIK | 2011年 / 122卷 / 15期
关键词：
Nonlinear Bragg grating; Spatial chirp; Bistability; DISTRIBUTED-FEEDBACK STRUCTURES; PERIODIC STRUCTURES; PULSE-COMPRESSION;
D O I：
10.1016/j.ijleo.2010.09.014
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on the nonlinear coupled mode theory, by using the reversely recursive transmission matrix method, the switching characteristics of linearly chirped nonlinear Bragg gratings (LC-NLBG) have been investigated numerically. The results show that, introducing spatial chirp in fiber gratings is helpful to widen the bistable wavelength range, and the influence of the chirp on the switching-on threshold and the on-off ratio of the bistable switching are obvious, the chirp-dependent bistability is due to the difference of the axial distribution of forward wave intensity in the gratings. (C) 2010 Elsevier GmbH. All rights reserved.
引用
收藏
页码：1381 / 1383
页数：3
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