All-fiber optical filter with an ultranarrow and rectangular spectral response

被引：49

作者：

Zou, Xihua ^{[1
,2
,3
,4
]}

Li, Ming ^{[2
,5
]}

Pan, Wei ^{[1
]}

Yan, Lianshan ^{[1
]}

Azana, Jose ^{[2
]}

Yao, Jianping ^{[4
]}

机构：

[1] Southwest Jiaotong Univ, Ctr Informat Photon & Commun, Chengdu 610031, Peoples R China

[2] INRS EMT, Quebec City, PQ, Canada

[3] Sci & Technol Elect Informat Control Lab, Chengdu 610036, Peoples R China

[4] Univ Ottawa, Microwave Photon Res Lab, Ottawa, ON K1N 6N5, Canada

[5] Chinese Acad Sci, State Key Lab Integrated Optoelect, Inst Semicond, Beijing, Peoples R China

来源：

OPTICS LETTERS | 2013年 / 38卷 / 16期

基金：

中国国家自然科学基金; 加拿大自然科学与工程研究理事会;

关键词：

BRAGG-GRATING FILTERS; RING LASER;

D O I：

10.1364/OL.38.003096

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical filters with an ultranarrow and rectangular spectral response are highly desired for high-resolution optical/electrical signal processing. An all-fiber optical filter based on a fiber Bragg grating with a large number of phase shifts is designed and fabricated. The measured spectral response shows a 3 dB bandwidth of 650 MHz and a rectangular shape factor of 0.513 at the 25 dB bandwidth. This is the narrowest rectangular bandpass response ever reported for an all-fiber filter, to the best of our knowledge. The filter has also the intrinsic advantages of an all- fiber implementation. (C) 2013 Optical Society of America

引用

页码：3096 / 3098

页数：3

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