SEARCH Articles Figures Tables Coordination nonlinear optical activities Electrically active polymers nonlinear optics Molecular mechanics nonlinear optical activity Nonlinear activation Nonlinear activity Nonlinear optical activities redox switching Nonlinear optical activities responses Nonlinear optical activity Nonlinear optical activity and second harmonic generation Nonlinear optically active dyes Nonlinear optically active polymer Nonlinear optics , electrically active Nonlinearities activities Quadratic nonlinearities optical activities Second order nonlinear optically active Second order nonlinear optically active materials