Research progress of third-order optical nonlinearity of chalcogenide glasses*

Project supported by the National Natural Science Foundation of China (Grant No. 61675106), the National Key Research and Development Program of China (Grant No. 2016YFB0303803), and the K C Wong Magna Fund in Ningbo University.

Zhang Xiao-Yu1, 2, 3, Chen Fei-Fei1, 2, †, Zhang Xiang-Hua4, Ji Wei5
       

Nonlinear refractive index (n2) and nonlinear absorption coefficient (β) of As2S3 versus laser intensity at wavelength of 1.064 μm. Curves are for guiding the eye and correspond to simple interpolation between the experimental data (Smektala F et al. 2000).[53]