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Conference Paper
Photorefractive Effects, Materials, and Devices
La Colle sur Loup France
June 17, 2003
ISBN: 1-55752-755-5
Modelling (M)

Analytical Solution for Nonlinear Dynamics of Photorefractive Gratings

M.R. Sayeh and A. Siahmakoun

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We present a closed-form solution for the two-wave coupling process, resulting in a periodic solution with respect to time that describes a moving grating. In the photorefractive medium, it has been shown that a moving grating will produce in a phase shift in the coupling constant. To our knowledge, this has not been derived directly from the grating dynamic equations. We will also show that the temporal dynamics does not have any asymptotically stable equilibrium points of an exponential form. As an example, we have developed resonance conditions resulting in a new expression for the frequency detuning of a resonator with photorefractive gain medium.

© 2003 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.5330) Nonlinear optics : Photorefractive optics
(190.7070) Nonlinear optics : Two-wave mixing
(210.0210) Optical data storage : Optical data storage
(210.2860) Optical data storage : Holographic and volume memories

M. R. Sayeh and A. Siahmakoun, "Analytical Solution for Nonlinear Dynamics of Photorefractive Gratings," in Photorefractive Effects, Materials, and Devices, P. Delaye, C. Denz, L. Mager, and G. Montemezzani, eds., Vol. 87 of OSA Trends in Optics and Photonics (Optical Society of America, 2003), paper 306.

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