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Proceedings Paper

In-plane poling of doped-polymer films: creation of two asymmetric directions for second-order optical nonlinearity
Author(s): Garry Berkovic; Shlomo Yitzchaik; Valeri Krongauz
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Paper Abstract

We report second harmonic generation studies of an amorphous polymer (polymethylmethacrylate) containing hyperpolarizable dye species poled in an in-plane geometry where the electrodes are thinner than the polymer film. It is found that polymers poled in this geometry exhibit optical nonlinearity both parallel and perpendicular to the direction of the poling field. It is determined that charge injection into the film is responsible for the nonlinearity in the perpendicular direction. This nonlinearity is much stronger than that predicted solely on the basis of dipole moment -- poling field interactions.

Paper Details

Date Published: 1 December 1991
PDF: 5 pages
Proc. SPIE 1560, Nonlinear Optical Properties of Organic Materials IV, (1 December 1991); doi: 10.1117/12.50721
Show Author Affiliations
Garry Berkovic, Weizmann Institute of Science (Israel)
Shlomo Yitzchaik, Weizmann Institute of Science (Israel)
Valeri Krongauz, Weizmann Institute of Science (Israel)

Published in SPIE Proceedings Vol. 1560:
Nonlinear Optical Properties of Organic Materials IV
Kenneth D. Singer, Editor(s)

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