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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 17, Iss. 7 — Jul. 1, 2000
  • pp: 1182–1187

Origin of frequency shift and temporal instability in photorefractive self-pumped phase conjugators

Ping Xie, Peng-Ye Wang, and Jian-Hua Dai  »View Author Affiliations

JOSA B, Vol. 17, Issue 7, pp. 1182-1187 (2000)

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The physical origin of frequency shift and dynamic instability in a photorefractive self-pumped phase conjugator is analyzed by use of four-wave mixing and multi-four-wave mixing. We show that the frequency shift and the instability result from the requirement of the maximal energy transfer between the interacting beams. Two examples of numerical results in a cat self-pumped phase conjugator are given, which are in good agreement with previous experimental results. A simple method is proposed to change an unstable phase-conjugate output to a stable one.

© 2000 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.2640) Nonlinear optics : Stimulated scattering, modulation, etc.
(190.3100) Nonlinear optics : Instabilities and chaos
(190.5040) Nonlinear optics : Phase conjugation
(190.5330) Nonlinear optics : Photorefractive optics

Ping Xie, Peng-Ye Wang, and Jian-Hua Dai, "Origin of frequency shift and temporal instability in photorefractive self-pumped phase conjugators," J. Opt. Soc. Am. B 17, 1182-1187 (2000)

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