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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 22, Iss. 8 — Aug. 1, 2005
  • pp: 1648–1653

Temperature-dependent coherent oscillation in photorefractive relaxor strontium barium niobate

M. Goulkov, O. Fedorenko, L. Ivleva, Th. Woike, T. Granzow, M. Imlau, and M. Wöhlecke  »View Author Affiliations


JOSA B, Vol. 22, Issue 8, pp. 1648-1653 (2005)
http://dx.doi.org/10.1364/JOSAB.22.001648


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Abstract

A temperature study of a photorefractive coherent oscillation in a ring-loop resonator with the relaxor ferroelectric Sr 0.61 Ba 0.39 Nb 2 O 6 : Ce as a nonlinear element is presented. It is shown that the oscillation intensity as well as the oscillation onset time strongly depend on the crystal temperature. Strong influence of a resonator loop angle on the temperature dependence of coherent oscillation is reported and discussed via the dispersion of thermal spatial disorder and thermal decay versus various scales in the polar structure. Optimization of the output of a photorefractive oscillator via thermal tuning of material parameters of the crystal is shown.

© 2005 Optical Society of America

OCIS Codes
(160.2260) Materials : Ferroelectrics
(160.5320) Materials : Photorefractive materials
(190.5330) Nonlinear optics : Photorefractive optics

Citation
M. Goulkov, O. Fedorenko, L. Ivleva, Th. Woike, T. Granzow, M. Imlau, and M. Wöhlecke, "Temperature-dependent coherent oscillation in photorefractive relaxor strontium barium niobate," J. Opt. Soc. Am. B 22, 1648-1653 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-8-1648

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