Generation of few-cycle laser pulses: Comparison between atomic and molecular gases in a hollow-core fiber

Huang Zhi-Yuan^{1, 2}, Dai Ye¹, Zhao Rui-Rui², Wang Ding^{2, †,}, Leng Yu-Xin^{2, ‡,}

(a) The probe pulses FWHM with various GDD compensation. (b) The temporal profiles of the compressed pulses. Blue solid lines and red dotted lines, represent different time delays 4.27 ps and 8.34 ps, respectively.