Signal-to-noise ratio of ultrashort pulses enhanced by a fiber Sagnac loop

被引：0

作者：

Sun, Qibing ^{[1
]}

Liu, Hongjun ^{[1
]}

Huang, Nan ^{[1
]}

Zhao, Wei ^{[1
]}

机构：

[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2012年 / 44卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Signal-to-noise ratio; A fiber Sagnac loop; OPCPA; MULTI-TERAWATT; SUPPRESSION; REDUCTION;

D O I：

10.1016/j.optlastec.2011.12.035

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A method to enhance the signal-to-noise ratio of ultrashort pulses is presented with picosecond pulses as an example. Numerical simulation and analysis show that the signal-to-noise ratio can be improved by four orders of magnitude using a fiber Sagnac loop with two different fibers. It is also found that there is an optimal length of the fiber for improving the signal-to-noise ratio. This is a useful method for improving the signal-to-noise ratio of the seed light in the chirped pulse amplification (CPA) or optical parametric chirped pulse amplification (OPCPA) systems. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1328 / 1332

页数：5

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