Tunable all-optical delays in a fiber Bragg grating via the strain-tuning technique

被引：1

作者：

Wu, Zhijing ^{[1
]}

Yin, Cheng ^{[2
]}

Wang, Xianping ^{[3
]}

Wu, Jian ^{[3
]}

Liu, Yande ^{[1
]}

机构：

[1] E China Jiaotong Univ, Sch Mechatron Engn, Nanchang 330013, Jiangxi, Peoples R China

[2] Hohai Univ, Jiangsu Key Lab Power Transmiss & Distribut Equip, Changzhou 210098, Jiangsu, Peoples R China

[3] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Minist Educ, Key Lab Laser Plasmas,Dept Phys, Shanghai 200240, Peoples R China

来源：

JOURNAL OF MODERN OPTICS | 2012年 / 59卷 / 21期

基金：

中国国家自然科学基金;

关键词：

tunable slow light; fiber Bragg grating; strain tuning; SLOW-LIGHT;

D O I：

10.1080/09500340.2012.753477

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A simple and cost-effective technique for generating tunable all-optical delays in a fiber Bragg grating (FBG) by using the strain-tuning method is proposed and experimentally demonstrated. The FBG imprinted in a common single-mode fiber, which is fixed to a strain-tuning setup, is adopted to implement the slow light system, and tunable delays of 0.97?ns and 0.92?ns can be realized by changing the strain and the light wavelength, respectively. The minimum group velocity can be m/s in the FBG, which is 8% of the light speed in vacuum. Experimental results agree well with the theory. The technique provides a very feasible way to control the light group velocity in fiber systems.

引用

页码：1873 / 1878

页数：6

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