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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 13, Iss. 11 — Nov. 1, 1996
  • pp: 2595–2601

Dynamic spatial structure of spontaneous beams in photorefractive bismuth silicon oxide

Preben Buchhave, Sergei Lyuksyutov, Mikhail Vasnetsov, and Carsten Heyde  »View Author Affiliations

JOSA B, Vol. 13, Issue 11, pp. 2595-2601 (1996)

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We report the domain structure of spontaneously occurring beams (subharmonics) in photorefractive bismuth silicon oxide with an applied electric field from 1 to 6 kV/cm and a running grating. The subharmonic beams are generated in a pattern of domains that evolve dynamically as they move through the crystal. We find that the domains move as a whole with a speed approximately equal to that of the primary grating, but in the opposite direction. The domains are separated by narrow boundary regions, where the phase of the subharmonic waves changes by π. The domain motion is consistent with the group velocity for running space-charge waves.

© 1996 Optical Society of America

Preben Buchhave, Sergei Lyuksyutov, Mikhail Vasnetsov, and Carsten Heyde, "Dynamic spatial structure of spontaneous beams in photorefractive bismuth silicon oxide," J. Opt. Soc. Am. B 13, 2595-2601 (1996)

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