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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. 29, Iss. 7 — Jul. 1, 2012
  • pp: 1631–1640

Second harmonic generation of a single centrosymmetric nanosphere illuminated by tightly focused cylindrical vector beams

Bingzhong Huo, Xianghui Wang, Shengjiang Chang, and Ming Zeng  »View Author Affiliations


JOSA B, Vol. 29, Issue 7, pp. 1631-1640 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001631


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Abstract

Both the surface and bulk nonlinear responses of a single centrosymmetric nanosphere excited by tightly focused cylindrical vector beams with different polarization rotation angles are investigated theoretically. The numerical results show that a distinctive feature of the calculated surface second harmonic (SH) radiation angular patterns is the possibility of strong scattering in the backward direction. In addition, when the polarization rotation angle takes a larger value, there is a distinct difference between the bulk SH responses stemming from different bulk nonlinear parameters. Those properties are in contrast to what was found in previous theories of SH light scattering from centrosymmetric nanospheres excited by tightly focused linearly polarized beams.

© 2012 Optical Society of America

OCIS Codes
(000.3860) General : Mathematical methods in physics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.3970) Nonlinear optics : Microparticle nonlinear optics
(240.4350) Optics at surfaces : Nonlinear optics at surfaces
(260.1960) Physical optics : Diffraction theory
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: December 19, 2011
Revised Manuscript: March 30, 2012
Manuscript Accepted: March 30, 2012
Published: June 13, 2012

Citation
Bingzhong Huo, Xianghui Wang, Shengjiang Chang, and Ming Zeng, "Second harmonic generation of a single centrosymmetric nanosphere illuminated by tightly focused cylindrical vector beams," J. Opt. Soc. Am. B 29, 1631-1640 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-7-1631

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