Nonlinear compression of picosecond chirped pulse from thin-disk amplifier system through a gas-filled hollow-core fiber

Lu Jun^{1, 2, 3}, Huang Zhi-Yuan^{2, 4}, Wang Ding², Xu Yi², Liu Yan-Qi², Guo Xiao-Yang², Li Wen-Kai², Wu Fen-Xiang², Liu Zheng-Zheng², Leng Yu-Xin²

(a) Variation of FTL duration of the output pulse with gas pressure for a fiber length of 1m and inner diameter of 600 μm, and (b) fiber length for gas pressure of 6 bar and inner diameter of 600 μm.