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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 2 — Jan. 17, 2011
  • pp: 1000–1006

Broadband plasmonic nanoantenna with an adjustable spectral response

Eren Seydi Ünlü, Rüştü Umut Tok, and Kürşat Şendur  »View Author Affiliations

Optics Express, Vol. 19, Issue 2, pp. 1000-1006 (2011)

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Six-particle and eight-particle common-gap plasmonic nanoantennas are utilized to obtain a broadband spectral response when illuminated with circular and elliptical polarization. Due to the insensitivity of dipole antennas to circular polarization, the resonant structures are brought together around the common-gap to expand the spectrum of the whole system. Their ability to focus light at different frequencies is demonstrated. The spectral response is manipulated by geometrical parameters and the strength of the spectral peaks is tailored through the ellipticity of the elliptically polarized light.

© 2011 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optics at Surfaces

Original Manuscript: November 18, 2010
Revised Manuscript: December 17, 2010
Manuscript Accepted: December 28, 2010
Published: January 7, 2011

Virtual Issues
Vol. 6, Iss. 2 Virtual Journal for Biomedical Optics

Eren Seydi Ünlü, Rüştü Umut Tok, and Kürşat Şendur, "Broadband plasmonic nanoantenna with an adjustable spectral response," Opt. Express 19, 1000-1006 (2011)

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