【摘要】：We numerically study the self-compression of the optical pulses centered at 1.8-μm in a hollow-core fiber(HCF) filled with argon. It is found that the pulse can be self-compressed to 2 optical cycles when the input pulse energy is 0.2-m J and the gas pressure is 500-mbar(1 bar = 10~5 Pa). Inducing a proper positive chirp into the input pulse can lead to a shorter temporal duration after self-compression. These results will benefit the generation of energetic few-cycle mid-infrared pulses.
[Abstract]:We numerically study the self-compression of the optical pulses centered at 1.8-渭 m in a hollow-core fiber (HCF) filled with argon. It is found that the pulse can be self-compressed to 2 optical cycles when the input pulse energy is 0.2 J and the gas pressure is 500-mbar (1 bar = 10 / 5 Pa). Inducing a proper positive chirp into the input pulse can lead to a shorter temporal duration after self-compression. These results will benefit the generation of energetic few-cycle mid-infrared pulses.
【作者單位】： State
【基金】：supported by the National Natural Science Foundation of China(Grant Nos.61475169,61521093,and 11127901) the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB16) the International Science and Technology Cooperation Program of China(Grant No.2016YFE0119300)
【分類號】：TN24

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