Adjustment of the chirp parameter of chirped fibre Bragg gratings

被引：0

作者：

Wei, Z ^{[1
]}

Qin, L ^{[1
]}

Wang, Q ^{[1
]}

Li, H ^{[1
]}

Zheng, W ^{[1
]}

Zhang, Y ^{[1
]}

机构：

[1] Jilin Univ, Dept Elect Engn, Changchun 130023, Peoples R China

来源：

IEE PROCEEDINGS-OPTOELECTRONICS | 1999年 / 146卷 / 06期

关键词：

D O I：

10.1049/ip-opt:19990868

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 method for accurately adjusting the chirp parameter of the fabricated chirped fibre Bragg gratings (CFBGs) is demonstrated experimentally. By establishing different strain gradients with proper profiles along the length of CFBGs, one can not only increase or decrease the chirp of the CFBG, but also change the sign of the chirp without exchanging the two ends of the grating. The variance of the chirp's amplitude can be accurately tuned through varying the amplitude of the strain gradient. Moreover, the grating's reflectivity hardly decreases and the shape of the reflection spectrum stays good during the adjustment of the chirp.

引用

页码：263 / 267

页数：5

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