Journal
CHINESE PHYSICS B
Volume 26, Issue 10, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/26/10/104206
Keywords
spatiotemporal dynamics; self-compression; mid-infrared pulses; hollow-core fibers
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Funding
- National Natural Science Foundation of China [61475169, 61521093, 11127901]
- Chinese Academy of Sciences [XDB16]
- International Science and Technology Cooperation Program of China [2016YFE0119300]
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We numerically study the self-compression of the optical pulses centered at 1.8-mu 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-mJ 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.
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