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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 17, Iss. 8 — Aug. 1, 2000
  • pp: 1354–1359

Broadband degenerate four-wave-mixing measurements

Stanislav Rozouvan  »View Author Affiliations


JOSA B, Vol. 17, Issue 8, pp. 1354-1359 (2000)
http://dx.doi.org/10.1364/JOSAB.17.001354


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Abstract

The nonlinear signal in a degenerate four-wave mixing experiment as a result of diffraction of a spatially distributed third-order nonlinearity is studied theoretically. The approach has been applied for the case of monochromatic and ultrashort pulses. As a consequence, the degenerate four-wave mixing signal is found to be independent of light-coherence parameters and cannot be explained as a product of diffraction on a dynamic grating. In this model only the fast component of the signal (the coherent artifact) is related directly to third-order nonlinear processes. The main features (the origins, temporal shapes, dependencies of pump intensity, and modulation effects) of the coherent artifact and a slow-decay component are discussed theoretically and experimentally.

© 2000 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials

Citation
Stanislav Rozouvan, "Broadband degenerate four-wave-mixing measurements," J. Opt. Soc. Am. B 17, 1354-1359 (2000)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-17-8-1354


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