W. He

Direct evidence of Kerr-like nonlinearity by femtosecond Z-scan technique.

W. Shen, W. He, C. Gu, 2006, Optics express.

Determination of the third- and fifth-order nonlinear refractive indices in InN thin films

Hiroshi Ogawa, Qixin Guo, Wenzhong Shen, 2007 .