Contribution of dipolar interactions to third-order nonlinear dielectric susceptibility of nanocomposites
Optics Letters, Vol. 35, Issue 11, pp. 1831-1833 (2010)
http://dx.doi.org/10.1364/OL.35.001831
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Abstract
We consider an ensemble of identical semiconductor nanoparticles randomly embedded into dielectric matrix. The nanoparticles are polarized by the laser irradiation having linear polarization. The contribution of dipole–dipole interactions to third-order dielectric susceptibility is calculated by using mean random field method. It is shown that this contribution always has a negative sign, and it can be comparable with the values of optical nonlinearity observed experimentally.
© 2010 Optical Society of America
OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(190.4400) Nonlinear optics : Nonlinear optics, materials
(350.4990) Other areas of optics : Particles
(160.4236) Materials : Nanomaterials
(260.2710) Physical optics : Inhomogeneous optical media
ToC Category:
Materials
History
Original Manuscript: February 19, 2010
Revised Manuscript: April 21, 2010
Manuscript Accepted: April 30, 2010
Published: May 24, 2010
Citation
Andrey V. Panov, "Contribution of dipolar interactions to third-order nonlinear dielectric susceptibility of nanocomposites," Opt. Lett. 35, 1831-1833 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-11-1831
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