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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. 6 — Jun. 1, 2000
  • pp: 973–976

Interference effects in time-delayed degenerate four-wave mixing with broadband noisy light

Valery Kozich, Leonardo de S. Menezes, and Cid B. de Araújo  »View Author Affiliations


JOSA B, Vol. 17, Issue 6, pp. 973-976 (2000)
http://dx.doi.org/10.1364/JOSAB.17.000973


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Abstract

Femtosecond beats in time-delayed forward degenerate four-wave mixing (DFWM) with incoherent light in liquid and solid materials have been observed, and their origin is discussed. It is shown that the oscillations are due to the interference between pure DFWM signal and Rayleigh scattering from the excitation beams. It is also shown that, if this effect is not taken into account, incorrect conclusions can be reached.

© 2000 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7120) Ultrafast optics : Ultrafast phenomena
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

Citation
Valery Kozich, Leonardo de S. Menezes, and Cid B. de Araújo, "Interference effects in time-delayed degenerate four-wave mixing with broadband noisy light," J. Opt. Soc. Am. B 17, 973-976 (2000)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-17-6-973


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References

  1. V. L. Bogdanov, A. B. Evdokimov, G. L. Lukomskii, and B. D. Fainberg, “Subfemtosecond beats in an interference of the fields of Rayleigh scattering and four-wave mixing,” JETP Lett. 49, 157–161 (1989).
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  6. This statement is based on Eq. (2), which was obtained through consideration of a two-level system with the density-matrix relaxation described by the parameters T1 and T2. However, more-complex nonlinear response functions appropriate for other particular systems might yield oscillations.
  7. L. H. Acioli, A. S. L. Gomes, J. M. Hickmann, and C. B. de Araújo, “Femtosecond dynamics of semiconductor-doped glasses using a new source of incoherent light,” Appl. Phys. Lett. 56, 2279–2281 (1990).

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