Continuously Tunable Time Delay Using an Optically Pumped Linear Chirped Fiber Bragg Grating

被引：49

作者：

Shahoei, Hiva ^{[1
]}

Li, Ming ^{[1
]}

Yao, Jianping ^{[1
]}

机构：

[1] Univ Ottawa, Microwave Photon Res Lab, Sch Informat Technol & Engn, Ottawa, ON K1N 6N5, Canada

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2011年 / 29卷 / 10期

关键词：

Linearly chirped fiber Bragg grating (LCFBG); microwave photonics; optical communications; time delay; SLOW LIGHT-PROPAGATION; REDUCTION;

D O I：

10.1109/JLT.2011.2132754

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 simple method to achieve a large and tunable time delay of an optical signal by using a linearly chirped fiber Bragg grating (LCFBG) written in an erbium-ytterbium (Er/Yb) codoped fiber is proposed and demonstrated. The group delay response of the LCFBG can be tuned by optically pumping the LCFBG with different pumping powers, which leads to the tuning of the time delay. An LCFBG written in an Er/Yb codoped fiber is fabricated. A continuously tunable time delay up to 200 ps for a Gaussian pulse with a full-width at half-maximum of 7.6 GHz is experimentally demonstrated. The influence of the dispersion, the magnitude and group delay ripples of the LCFBG on the time delay performance, and also the stability of operation are investigated.

引用

页码：1465 / 1472

页数：8

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