Im$\{{\chi }^{(3)}\}$ spectra of 110-cut GaAs, GaP, and Si near the two-photon absorption band edge

Brandon J Furey, Rodrigo M. Barba-Barba, Ramon Carriles +3

Spectra of the degenerate two-photon absorption coefficient $\beta (\omega )$, anisotropy parameter $\sigma (\omega )$, and dichroism parameter $\delta (\omega )=[\sigma (\omega )+2\eta (\omega )]/2$ of crystalline 110-cut Ga…