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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 10 — Oct. 1, 2011
  • pp: 2448–2455

Origin and time dependence of higher-order nonlinearities in metal nanocomposites

J. Jayabalan  »View Author Affiliations


JOSA B, Vol. 28, Issue 10, pp. 2448-2455 (2011)
http://dx.doi.org/10.1364/JOSAB.28.002448


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Abstract

The higher-order nonlinear optical response of a composite medium having metal nanoparticles is usually attributed to that originating from the third-order nonlinearity of the metal. In this article, the time dependence of hot-electron contribution to the third-, fifth-, and seventh-order nonlinear absorption coefficients of the composite medium has been studied. By comparing the results of the calculation with that of the experiments, it has been shown that the higher-order nonlinearities originating from the hot electrons of metal do contribute to the measured higher-order nonlinear absorption coefficients of the composite material.

© 2011 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4870) Nonlinear optics : Photothermal effects
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: March 18, 2011
Revised Manuscript: August 23, 2011
Manuscript Accepted: August 24, 2011
Published: September 22, 2011

Citation
J. Jayabalan, "Origin and time dependence of higher-order nonlinearities in metal nanocomposites," J. Opt. Soc. Am. B 28, 2448-2455 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-10-2448

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