Semiconductor optical amplifiers as an optical arbitrary waveform generator for high-energy laser systems

被引：0
|
作者：
Humblot, Raphael [1 ,2 ]
DE Sousa, Joanna [1 ]
Rapeneau, Cyril [1 ]
Baton, Sophie [1 ]
Audebert, Patrick [1 ]
Druon, Frederic [2 ]
Eignien, Loic [1 ]
机构：
[1] Sorbonne Univ, Ecole Polytech, Inst Polytech Paris, LULI,CNRS,CEA, F-91128 Paris, France
[2] Univ Paris Saclay, Inst Opt Grad Sch, CNRS, Lab Charles Fabry, F-91127 Palaiseau, France
来源：
OPTICS EXPRESS | 2024年 / 32卷 / 22期
关键词：
A: semiconductors - Arbitrary waveform generator - Essential characteristic - Front end - High-energy laser systems - Intensity modulators - Optical- - Simple++ - Straightforward techniques - Very high energies;
D O I：
10.1364/OE.530119
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple and straightforward technique is presented as a novel temporally controllable front-end for nanosecond very-high energy laser systems. It is based on an original utilization of a semiconductor optical amplifier (SOA) used as an intensity modulator. The essential characteristics of the component are analyzed in order to evaluate potential limitations. Various parameters of interest for standard operation are displayed, demonstrating its usability and its effectiveness. We demonstrate arbitrary and controllable pulse temporal profiles with duration ranging from 1 nanosecond to 100 nanoseconds and a temporal precision of 1.1 ns. A high extinction ratio is also achieved ensuring a modulation contrast up to 53 dB. The SOA is then integrated into an existing operating system in an ultra-compact, reliable all-fibered system. It is used to seed a 2*200 J laser system, exhibiting excellent performance, and validating its usability under operation conditions without any detrimental effects.
引用
收藏
页码：37959 / 37967
页数：9
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