Enhanced photorefractive performance in a photorefractive polymeric composite

We characterize the photorefractive behavior of a photorefractive multicomponent polymer composite of PVK-TCP:C60:DEANST. Efficient plasticization of the host polymeric matrix and utilization of a nonlinear chromophore with a large dipole moment provide a large poling-induced electro-optic coefficie...

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Bibliographic Details
Published in:Journal of applied physics 1994-11, Vol.76 (9), p.4995-4998
Main Authors: Orczyk, Maciek E., Swedek, Bogdan, Zieba, Jaroslaw, Prasad, Paras N.
Format: Article
Language:English
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Summary:We characterize the photorefractive behavior of a photorefractive multicomponent polymer composite of PVK-TCP:C60:DEANST. Efficient plasticization of the host polymeric matrix and utilization of a nonlinear chromophore with a large dipole moment provide a large poling-induced electro-optic coefficient. Diffraction efficiencies as high as 40% and asymmetric net two-beam coupling gain coefficients in excess of 130 cm−1, surpassing those of known inorganic single-crystalline photorefractive media, are reported.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.357210