SEARCH Articles Figures Tables Nonlinear optics third-order nonlinearity Nonlinear phenomena Nonlinear third order Nonlinear third-order optical nonlinearity Nonlinear third-order phenomena Optical phenomena Optical third-order Ordering phenomena Third-order Third-order nonlinear optical Third-order nonlinear optics Third-order nonlinearities Third-order optical nonlinearities Third-order optical nonlinearity