Generation of few-cycle radially-polarized infrared pulses in a gas-filled hollow-core fiber*

Project supported by the National Natural Science Foundation of China (Grant No. 61521093), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB16), the International S & T Cooperation Program of China (Grant No. 2016YFE0119300), and the Program of Shanghai Academic/Technology Research Leader, China (Grant No. 18XD1404200).

Zhao Rui-Rui1, 2, Huang Zhi-Yuan1, Wang Ding1, †, Zhao Yu1, 2, Leng Yu-Xin1, ‡, Li Ru-Xin1
       

(color online) (a) Energy transmission along the propagation; (b) output-pulse broadening factor at different wavelengths; (c)–(e) total temporal intensity profiles for RP 3.1-μm, 4.0-μm, and 5.0-μm pulses.