Spectral broadening induced by intense ultra-short pulse in 4H

Spectral broadening induced by intense ultra-short pulse in 4H–SiC crystals

Xu Chun-hua¹, Yan Teng-fei², Wang Gang¹, Wang Wen-jun¹, Liang Jing-kui¹, Chen Xiao-long^{1, 3, †,}

Schematic of the experimental setup. M₁ and M₂ are the beam splitter and the mirror, respectively, and f is a lens with a focal length of 50 cm.