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Proceedings Paper

High-fringe-contrast effects in moving-fringe experiments with InP:Fe photoreractive crystals
Author(s): Valerie Dupray; Marc Brunel; Cafer Ozkul
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Paper Abstract

Two-wave mixing in photorefractive InP:Fe crystals is revisited considering an externally applied dc field combined with the moving grating technique. We show that the disagreement previously observed in the literature between theory and experiments finds an explanation in the influence of both the absorption along the propagation axis and the nonlinearities occurring at relatively large fringe modulations. A finite difference method is used to demonstrate the dependence of these nonlinearities on the average incident intensity.

Paper Details

Date Published: 29 December 1999
PDF: 6 pages
Proc. SPIE 4016, Photonics, Devices, and Systems, (29 December 1999); doi: 10.1117/12.373660
Show Author Affiliations
Valerie Dupray, Univ. de Rouen (France)
Marc Brunel, Univ. de Rouen (France)
Cafer Ozkul, Univ. de Rouen (France)

Published in SPIE Proceedings Vol. 4016:
Photonics, Devices, and Systems
Miroslav Hrabovsky; Pavel Tomanek; Miroslav Miler, Editor(s)

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