Identical dual-wavelength fiber Bragg Gratings

被引：19

作者：

Liu, Xueming ^{[1
]}

Gong, Yongkang ^{[1
]}

Wang, Leiran ^{[1
]}

Wang, Tao ^{[1
]}

Zhang, Tongyi ^{[1
]}

Lu, Keqing ^{[1
]}

Zhao, Wei ^{[1
]}

机构：

[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710068, Peoples R China

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2007年 / 25卷 / 09期

基金：

中国国家自然科学基金;

关键词：

coupled-mode theory; fiber Bragg grating (FBG); Fourier transform (FT);

D O I：

10.1109/JLT.2007.902101

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：

In this paper, identical dual-wavelength fiber Bragg, gratings (FBGs) are theoretically proposed and experimentally demonstrated. On the assistance of the Fourier theory, the gratings with symmetrical spectrum are designed in the case of weak refractive-index modulations. With the. perturbation technique, the results achieved in the previous step are modified to meet the strong refractive-index modulation gratings. Based on the coupled-mode theory, we have optimized and achieved the identical dual-wavelength FBGs with two channels that have equal bandwidth and even strength. We have also experimentally demonstrated the proposed FBGs, and the experimental results are compared with theoretical predictions with good agreement.

引用

页码：2706 / 2710

页数：5

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