A novel method of chirp elimination using reconstruction equivalent chirp superstructured fiber Bragg grating

被引：2

作者：

Zheng Ji-Lin ^{[1
]}

Wang Rong ^{[1
]}

Fang Tao ^{[1
]}

Li Lin ^{[1
]}

Pu Tao ^{[1
]}

Chen Xiang-Fei ^{[2
]}

机构：

[1] PLA Univ Sci & Technol, Inst Commun Engn, Photan Informat Technol Lab, Nanjing 210007, Peoples R China

[2] Nanjing Univ, Natl Lab Microstruct, Nanjing 210093, Peoples R China

来源：

ACTA PHYSICA SINICA | 2009年 / 58卷 / 10期

基金：

中国国家自然科学基金;

关键词：

reconstruction equivalent chirp; fiber Bragg grating; chirp; gain-switched distributed feedback laser diode; PULSE SOURCE; PERFORMANCE; MODULATOR;

D O I：

10.7498/aps.58.7017

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A novel chirp elimination and pulse compression method is firstly proposed using reconstruction equivalent chirp superstructured fiber Bragg grating(REC-SSFBG). Based on the feasibility of REC technology for any physical realizable target response, this novel chirp elimination method is suited for any model of chirped pulse. The simulation results show that the time bandwidth product decrease from 2.25, 2.65 and 2.50 to 0.458, 0.636 and 0.73 for linearly chirped, Gauss chirped and Lorentz chirped pulses, respectively. The original pulsewidth is 20 ps and the chirp coefficients is -5 for all the three cases. Further experiment is performed with a fabricated REC-SSFBG to compress a chirped pulse generated from commercial software with model of gain-switched distributed feedback laser diode. The pulsewidth decreases from 25 ps to 5 ps, which agrees well with the simulation.

引用

页码：7017 / 7024

页数：8

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