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
收藏
页码：1328 / 1332
页数：5
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