Charge-injection-induced optical nonlinearity in in-plane poled polymer films: enhanced temporal stability and effect of different polymeric matrices and substrates

Garry Berkovic; Rami Cohen; Valeri Krongauz

doi:10.1117/12.165245

16 December 1993 Charge-injection-induced optical nonlinearity in in-plane poled polymer films: enhanced temporal stability and effect of different polymeric matrices and substrates

Garry Berkovic, Rami Cohen, Valeri Krongauz

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Proceedings Volume 2025, Nonlinear Optical Properties of Organic Materials VI; (1993) https://doi.org/10.1117/12.165245
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

Significant asymmetry and optical nonlinearity (second harmonic generation) can be produced by injection of electric charge into dye/polymer blends. The strength of the nonlinearity and its temporal stability depend on the electrical properties of the polymer and the polymer interface. It is shown conclusively that the mechanism for producing the nonlinearity does not arise from dipolar alignment of the dye in an electrostatic field; we even demonstrate production of nonlinearity under conditions of alternating current injection i.e. zero electrostatic field.

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Garry Berkovic, Rami Cohen, and Valeri Krongauz "Charge-injection-induced optical nonlinearity in in-plane poled polymer films: enhanced temporal stability and effect of different polymeric matrices and substrates", Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); https://doi.org/10.1117/12.165245

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