Interaction of optical beams and space-charge waves (SCW) in photorefractive crystals in the presence of ac electric field

Victor A. Kalinin

doi:10.1117/12.165932

21 January 1994 Interaction of optical beams and space-charge waves (SCW) in photorefractive crystals in the presence of ac electric field

Victor A. Kalinin

Author Affiliations +

Proceedings Volume 2051, International Conference on Optical Information Processing; (1994) https://doi.org/10.1117/12.165932
Event: Optical Information Processing: International Conference, 1993, St. Petersburg, Russian Federation

Abstract

Excitation of SCW in photorefractive crystals by two-wave mixing in the presence of both dc and ac electric fields is analyzed. It is shown that an optical grating can be recorded in the crystal in the absence of a detuning between the beams as effectively as in the presence of the optimum detuning. It is also shown that SCW spatial subharmonic instability is possible in this case, and a threshold condition for subharmonic generation is derived.

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Victor A. Kalinin "Interaction of optical beams and space-charge waves (SCW) in photorefractive crystals in the presence of ac electric field", Proc. SPIE 2051, International Conference on Optical Information Processing, (21 January 1994); https://doi.org/10.1117/12.165932

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