The influence of nonlinear electron transport on photorefractive properties of semi-insulating multiple quantum well structure

Ewa Weinert-Raczka; Marek Wichtowski

doi:10.1117/12.626095

5 October 2005 The influence of nonlinear electron transport on photorefractive properties of semi-insulating multiple quantum well structure

Ewa Weinert-Raczka, Marek Wichtowski

Author Affiliations +

Proceedings Volume 5949, Nonlinear Optics Applications; 594904 (2005) https://doi.org/10.1117/12.626095
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

Stationary and transient behaviour of photorefractive multiple quantum well structure illuminated by interfering plane waves of near resonant frequency was investigated in frames of photogeneration, diffusion, drift and trapping (PDDT) model. The influence of high intensity electric field applied along the quantum wells planes was considered and an effect of a nonlinear transport of electrons, characteristic for GaAs/AlGaAs samples, was included. An analytical expression for the fundamental amplitude of space-charge field in the sample and the dependence of the photorefractive grating response time on material parameters in the case of low interference pattern contrast is presented and compared with the earlier results.

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Ewa Weinert-Raczka and Marek Wichtowski "The influence of nonlinear electron transport on photorefractive properties of semi-insulating multiple quantum well structure", Proc. SPIE 5949, Nonlinear Optics Applications, 594904 (5 October 2005); https://doi.org/10.1117/12.626095

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