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Proceedings Paper

Creation of second-order optical nonlinearity in polymer films by photochemical charge injection
Author(s): Garry Berkovic; Rami Cohen; Ariela Donval
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Paper Abstract

Significant asymmetry and optical nonlinearity (second harmonic generation) can be produced by injection of electric charge into dye/polymer blends. The mechanism for producing the nonlinearity is different from the usual dipolar alignment of the dye in an electrostatic field. Charge injection has been achieved by purely electrical means using `in-plane' electrodes, or photochemically, by irradiating a bilayer structure comprising a photoconductive layer and the polymer/dye layer. This latter technique allows spatial modulation by light of nonlinear optical coefficients.

Paper Details

Date Published: 23 September 1994
PDF: 6 pages
Proc. SPIE 2285, Nonlinear Optical Properties of Organic Materials VII, (23 September 1994); doi: 10.1117/12.187503
Show Author Affiliations
Garry Berkovic, Weizmann Institute of Science (Israel)
Rami Cohen, Weizmann Institute of Science (Israel)
Ariela Donval, Weizmann Institute of Science (Israel)


Published in SPIE Proceedings Vol. 2285:
Nonlinear Optical Properties of Organic Materials VII
Gustaaf R. Moehlmann, Editor(s)

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