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) FTL pulse (black dash curve) and temporal profile (blue solid curve) of the compressed pulse. (b) The spectra intensity profile (blue solid curve) and phase distribution (green dotted curve) of the compressed pulse, with the fiber inner diameter being 600 μm, fiber length being 1.8 m, and gas pressure being 6 bar.