SEARCH Articles Figures Tables Anils Nonlinear anils Nonlinear optical , second Nonlinear optical response Nonlinear optics response Nonlinear response Nonlinear second order Nonlinear second-order optical nonlinearity Nonlinear second-order responses Optical nonlinearity second-order Optical response Response Nonlinearity Second nonlinear optics Second-order nonlinear optical Second-order nonlinear optics Second-order response