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, †,}

Spectral broadening Δω/ω versus the SiC crystal length. The experimental data (solid symbols) and data calculated based on Eq. (2) (solid line) with the pump peak power density of 60.1 GW/cm² are given. The inset is the amplified version of the experimental data.