Dual wavelength filtering properties of phase-shifted fiber Bragg grating and sampled fiber Bragg grating

被引：1
|
作者：
Tian L. [1 ]
Zhang A. [1 ]
机构：
[1] Ministry of Education Communication Device and Technology Engineering Research Center, School of Computer and Communication Engineering, Tianjin University of Technology
来源：
Zhongguo Jiguang/Chinese Journal of Lasers | 2010年 / 37卷 / 11期
关键词：
Dual wavelength filtering; Duty cycle; Fiber optics; Phase-shifted grating; Sampled grating;
D O I：
10.3788/CJL20103711.2896
中图分类号：
学科分类号：
摘要：
Phase-shifted fiber Bragg grating and sampled fiber Bragg grating with dual wavelength filtering properties are designed and their properties with transmission matrix method are studied. As a result, both multi- π phase-shifted grating and π phase-shifted sampled grating have dual wavelength reflective profile. Moreover, the side lobe of reflective profile of π phase-shifted sampled grating is lower than that of multi- π phase-shifted grating. By adjusting the duty cycle of π phase-shifted sampled grating in the range of 0.66-0.8, better dual wavelength filtering profile is obtained, especially the side lobe reflective index is lowest when the duty cycle is 0.75.
引用
收藏
页码：2896 / 2900
页数：4
相关论文
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