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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 7 — Jul. 1, 1998
  • pp: 2132–2142

Orthogonally polarized four-wave mixing involving two noncoupling waves in a photorefractive crystal

Imtiaz Ahmad Taj and Teruhito Mishima  »View Author Affiliations


JOSA B, Vol. 15, Issue 7, pp. 2132-2142 (1998)
http://dx.doi.org/10.1364/JOSAB.15.002132


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Abstract

Orthogonally polarized four-wave mixing is studied theoretically in a configuration involving two coupling coefficients with different magnitudes, one of which is effectively zero. The configuration is studied to reduce the complexity of the feedback and to achieve a unidirectional power flow from one of the pumps to the diffracted wave. The analytical solution of the coupled-wave equations is derived for both a transmission-type grating and a reflection-type grating. The solution clearly explains the relative phases between the two components of a grating and its effect on the performance of the system. Phase matching is also studied. For characterization of its operation, diffraction efficiency and diffracted-beam reflectivity are calculated, plotted, and analyzed as functions of different quantities, such as coupling strength, probe ratio, pump ratio, and angular difference of the waves. A signal distributor as a possible application is also discussed.

[Optical Society of America ]

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.5040) Nonlinear optics : Phase conjugation
(190.5330) Nonlinear optics : Photorefractive optics

Citation
Imtiaz Ahmad Taj and Teruhito Mishima, "Orthogonally polarized four-wave mixing involving two noncoupling waves in a photorefractive crystal," J. Opt. Soc. Am. B 15, 2132-2142 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-7-2132

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