Influence of refractive index modulation on fiber Bragg grating characteristics

Li Songbai1; Deng Tao2; Wu Jiagui2

doi:10.13756/j.gtxyj.2009.05.001

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Influence of refractive index modulation on fiber Bragg grating characteristics

- Influence of refractive index modulation on fiber Bragg grating characteristics
- Study on Optical communication Issue 5, Pages: 60-62(2009)
- 作者机构：
  
  1. 长江师范学院物理学及电子信息工程系
  2. 西南大学物理学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2009.05.001
  CLC： TN253
- Published：2009，
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[1]李松柏,邓涛,吴加贵.光栅折射率调制对光纤Bragg光栅特性的影响[J].光通信研究,2009(05):60-62+70.

Li Songbai1, Deng Tao2, Wu Jiagui2. Influence of refractive index modulation on fiber Bragg grating characteristics. [J]. (5):60-62(2009)
[1]李松柏,邓涛,吴加贵.光栅折射率调制对光纤Bragg光栅特性的影响[J].光通信研究,2009(05):60-62+70. DOI： 10.13756/j.gtxyj.2009.05.001.

Li Songbai1, Deng Tao2, Wu Jiagui2. Influence of refractive index modulation on fiber Bragg grating characteristics. [J]. (5):60-62(2009) DOI： 10.13756/j.gtxyj.2009.05.001.

摘要

文章基于耦合模理论

采用传输矩阵法数值分析了光栅折射率调制对光纤Bragg光栅（FBG）特性的影响。结果表明:随着折射率调制深度的加深

光栅的反射谱峰值波长发生蓝移

峰顶变得平坦;光栅时延的最小值发生在光栅的Bragg波长处;峰值反射率增大

峰值半宽（FWHM）呈线性变化。

Abstract

On the basis of the coupled mode theory

this paper numerically analyzes the effects of refractive index modulation on Fibre Bragg Grating（FBG） characteristics by using the transfer matrix method.The results show that

with the deepening of the refractive index modulation

the peak wavelength of the reflection spectrum is blue-shifted and the peak top becomes flattened

the minimum value of the grating delay occurs at the Bragg wavelength

the peak refractive rate increases and the Full Width Half Maximum（FWHM） of the peak varies linearly.

关键词

光纤Bragg光栅传输矩阵折射率调制

Keywords

FBGtransfer matrixrefractive index modulation

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