Phase-shifted Bragg grating filters with symmetrical structures

被引：98

作者：

Wei, L ^{[1
]}

Lit, JWY ^{[1
]}

机构：

[1] WILFRID LAURIER UNIV,DEPT PHYS & COMP,WATERLOO,ON N2L 3C5,CANADA

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1997年 / 15卷 / 08期

基金：

加拿大自然科学与工程研究理事会;

关键词：

fiber Bragg grating; optical bandpass filter; phase-shifted grating;

D O I：

10.1109/50.618363

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A comprehensive theoretical analysis of the compound phase-shifted uniform fiber Bragg grating (FBG) filter is presented. The transmission characteristics are examined by a transfer matrix formulation. It is shown that the transmission spectrum of such a filter is significantly controlled by the ratio of the grating lengths. By suitably choosing the ratio, a quasi-flat-top spectrum may be obtained. The general condition for the optimum case is derived. This characteristic makes the compound phase-shifted uniform FBG filter particularly advantageous for applications in wavelength-multiplexed optic-fiber communication systems.

引用

页码：1405 / 1410

页数：6

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