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Femtosecond Pulse Compression With Pedestal Suppression in a Sagnac Interferometer Constructed of Anti-Resonant Hollow Core Fiber
IEEE Photonics Journal ( IF 2.4 ) Pub Date : 2021-03-23 , DOI: 10.1109/jphot.2021.3067891
Taoying Yu , Xuesong Liu , Andrey Pryamikov , Alexey Kosolapov , Zhongwei Fan

In this paper, compression of high-power femtosecond pulses in Sagnac interferometers constructed of anti-resonant hollow core fibers (ARHCF) is investigated numerically and experimentally. By varying the types and pressures of gas filled in the hollow core fiber, the group velocity dispersion and the nonlinear pulse phase accumulation difference between clockwise and counterclockwise propagations could be tuned conveniently. In experiment, we demonstrate the pedestal suppression temporal pulse compression of 800 nm, 160 fs, 10 μJ pulses from a Ti: Sapphire laser at 1 kHz to 20 fs with maximum compression efficiency of 25% nearly and compression ratio of eight.

中文翻译:

反共振空心纤芯Sagnac干涉仪中具有基座抑制功能的飞秒脉冲压缩

本文通过反共振空心光纤(ARHCF)构造的Sagnac干涉仪对高功率飞秒脉冲的压缩进行了数值和实验研究。通过改变空心纤维中填充气体的种类和压力,可以方便地调节群速度色散和顺时针和逆时针传播之间的非线性脉冲相位累积差。在实验中,我们演示了从Ti:蓝宝石激光器以1 kHz至20 fs的频率对800 nm,160 fs,10μJ脉冲进行的基座抑制时间脉冲压缩,最大压缩效率接近25%,压缩比为8。
更新日期:2021-04-16
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