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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)

Nonlinear Interactions of Space Charge Waves in Photorefractive Sillenites

M. P. Petrov, V. V. Bryksin, F. Rahe, H. Vogt, C. E. Rüter, and E. Krätzig

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The effects of overall recti?cation and second harmonic generation of space charge waves (SCW) were reliably detected in photorefractive sillenites. Overall rectification causes variations of the DC current flowing in a circuit containing a photorefractive crystal and a voltage source when space charge waves are excited in the crystal. In the experiments, the variations in the DC current reached up to 25 %. Second-harmonic generation is detected by diffraction of a probe beam from the grating with doubled spatial frequency.

© 2003 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(090.2900) Holography : Optical storage materials
(350.7420) Other areas of optics : Waves

M. P. Petrov, V. V. Bryksin, F. Rahe, H. Vogt, C. E. Rüter, and E. Krätzig, "Nonlinear Interactions of Space Charge Waves in Photorefractive Sillenites," 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 268.

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