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
       

(color online) Plots of nonlinear refractive index (n2) versus mean co-ordination numbers (MCN) of the Ge–Sb–Se and As2Se3 ChGs ( Dai S et al. 2015).[51]