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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 12 — Apr. 20, 2010
  • pp: 2347–2351

Second-harmonic generation from metal-film nanohole arrays

Hua Lu, Xueming Liu, Renlong Zhou, Yongkang Gong, and Dong Mao  »View Author Affiliations


Applied Optics, Vol. 49, Issue 12, pp. 2347-2351 (2010)
http://dx.doi.org/10.1364/AO.49.002347


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Abstract

The roles of surface plasmon resonance and localized resonances in second-harmonic generation are investigated in a noncentrosymmetrical metallic film with a periodic subwavelength nanohole array. By using a recently developed microscopic classical theory and a three-dimensional finite-difference time-domain algorithm, numerical results show that the second-harmonic intensity is a function of the polarization and wavelength of incident waves. A peak of the second-harmonic intensity is achieved when the incident wave is along the direction perpendicular to the x-axis of nanoholes, which corresponds to the maximal extraordinary optical transmission. Meanwhile, the second harmonic is found to correlate with the group delay of incident waves.

© 2010 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(240.6680) Optics at surfaces : Surface plasmons
(260.5740) Physical optics : Resonance

ToC Category:
Physical Optics

History
Original Manuscript: January 11, 2010
Manuscript Accepted: March 22, 2010
Published: April 14, 2010

Citation
Hua Lu, Xueming Liu, Renlong Zhou, Yongkang Gong, and Dong Mao, "Second-harmonic generation from metal-film nanohole arrays," Appl. Opt. 49, 2347-2351 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-12-2347

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