Abstract

The poling of polymers leads in general to inhomogeneous polarization distributions within the polymer film. These polarization distributions affect any nonlinear-optic experiment based on second-order nonlinearities. Second-harmonic generation measurements are presented for a partially poled ferroelectric polyvinylidene fluoride film. By partial poling, we mean that the film is polarized only within a part of the film thickness. The measured angle-dependent second-harmonic signal is explained only if the polarization distribution as measured by the piezoelectric pressure pulse technique is taken into account.

© 1993 Optical Society of America

Normal-mode analysis of noncollinearly phase-matched second-harmonic generation in poled-polymer thin-film waveguides

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