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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 5 — Mar. 2, 2009
  • pp: 3603–3609

Tailored second harmonic generation from self-organized metal nano-wires arrays

Alessandro Belardini, Maria Cristina Larciprete, Marco Centini, Eugenio Fazio, Concita Sibilia, Mario Bertolotti, Andrea Toma, Daniele Chiappe, and Francesco Buatier de Mongeot  »View Author Affiliations

Optics Express, Vol. 17, Issue 5, pp. 3603-3609 (2009)

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Here we report the second harmonic emission properties of self-organized gold nanowires arrays supported on dielectric substrates with a sub-wavelength periodic pattern. The peculiar morphology of the nanowires, which are locally tilted with respect to the average plane of the substrate, allows to generate maximum second harmonic signal at normal incidence with a polarization direction driven by the orientation of the wires (perpendicular to the wires). The generation efficiency was increased by tailoring the growth process in order to tune the metal plasmon resonance close to the pump field frequency and also by increasing the local tilt of the nanowires.

© 2009 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials
(240.4350) Optics at surfaces : Nonlinear optics at surfaces
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Nonlinear Optics

Original Manuscript: December 19, 2008
Revised Manuscript: January 29, 2009
Manuscript Accepted: January 29, 2009
Published: February 23, 2009

Alessandro Belardini, Maria C. Larciprete, Marco Centini, Eugenio Fazio, Concita Sibilia, Mario Bertolotti, Andrea Toma, Daniele Chiappe, and Francesco Buatier de Mongeot, "Tailored second harmonic generation from self-organized metal nano-wires arrays," Opt. Express 17, 3603-3609 (2009)

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