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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 4 — Feb. 15, 2013
  • pp: 401–403

Design of broadband metal nanosphere antenna arrays with a hybrid evolutionary algorithm

Massimo Donelli  »View Author Affiliations

Optics Letters, Vol. 38, Issue 4, pp. 401-403 (2013)

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This Letter presents a method for the design of metal nanosphere antenna arrays with broadband plasmonic field enhancement over the whole visible spectra. In particular, thanks to a customized hybrid genetic algorithm (HGA), the plasmonic near-field enhancement and the sidelobe level are maximized and minimized, respectively, by thinning the nanoarray, optimizing the elements spacing and dimensions. In particular the problem is recast as an optimization one by defining a suitable cost function, which is then minimized with the HGA. The obtained preliminary results demonstrate the potentialities of the proposed approach.

© 2013 Optical Society of America

OCIS Codes
(350.4010) Other areas of optics : Microwaves
(350.5500) Other areas of optics : Propagation

ToC Category:

Original Manuscript: November 7, 2012
Revised Manuscript: December 10, 2012
Manuscript Accepted: December 14, 2012
Published: February 6, 2013

Massimo Donelli, "Design of broadband metal nanosphere antenna arrays with a hybrid evolutionary algorithm," Opt. Lett. 38, 401-403 (2013)

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