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) and (c) The temporal intensities of compressed pulses. (b) and (d) The spectral intensities (green solid lines), the phase before (blue and red solid lines) and after (yellow-dotted lines) compensation. Panels (a)–(b) and (c)–(d) correspond to argon and neon gases, respectively.