Bandwidth and gain of optical parametric chirped pulse amplification pumped by non-monochromatic light

被引：5

作者：

Liu Hua-Gang ^{[1
]}

Zhang Ruo-Bing ^{[1
]}

Zhu Chen ^{[1
]}

Chai Lu ^{[1
]}

Wang Qing-Yue ^{[1
]}

机构：

[1] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Minist Educ, Key Lab Optoelect Informat Sci & Technol, Tianjin 300072, Peoples R China

来源：

ACTA PHYSICA SINICA | 2008年 / 57卷 / 05期

关键词：

optical parametric chirped pulse amplification; non-monochromatic light; gain bandwidth; femto-second laser;

D O I：

10.7498/aps.57.2981

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Laser pulse was decomposed into components of different frequencies using Fourier transform, and the numerical calculation model was built up for coupled equations of optical parametric amplification pumped by non-monochromatic light. Effects of non-monochromatic light on small signal gain, large signal gain and gain bandwidth of optical parametric amplification were investigated. Though non-monochromatic pump light decreases the gain of optical parametric process, it can improve the gain bandwidth. The larger the bandwidth of the pump light, the wider the gain bandwidth. Reasons for parametric gain decrease and gain bandwidth improvement were analyzed with respect to the phase mismatch and the parametric bandwidth.

引用

页码：2981 / 2986

页数：6

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