Coherent femtosecond pulse combining of multiple parallel chirped pulse fiber amplifiers

被引：61

作者：

Siiman, Leo A. ^{[1
]}

Chang, Wei-zung ^{[1
]}

Zhou, Tong ^{[1
]}

Galvanauskas, Almantas ^{[1
]}

机构：

[1] Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 16期

关键词：

ULTRASHORT LASER-PULSES; HIGH-POWER; BEAM COMBINATION; ARRAYS; SYSTEMS;

D O I：

10.1364/OE.20.018097

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on femtosecond pulse combining with up to four parallel chirped-pulse fiber amplifier channels. Active phase locking is implemented using the LOCSET (Locking of Optical Coherence by Single-detector Electronic-frequency Tagging) single detector feedback technique, resulting in 96.4%, 94.0%, and 93.9% relative combining efficiency with two, three, and four channels respectively. Theoretical and experimental analysis of combining efficiency dependence on amplitude and phase noise shows convergence to a fixed value with increasing number of channels, indicating that multi-channel pulse combining with LOCSET feedback should be scalable to very large numbers of channels. (C) 2012 Optical Society of America

引用

页码：18097 / 18116

页数：20

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