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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 16 — Jul. 30, 2012
  • pp: 18326–18335

Waveguide-fed optical hybrid plasmonic patch nano-antenna

Leila Yousefi and Amy C. Foster  »View Author Affiliations

Optics Express, Vol. 20, Issue 16, pp. 18326-18335 (2012)

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We propose a novel optical hybrid plasmonic patch nano-antenna for operation at the standard telecommunication wavelength of 1550 nm. The nano-antenna is designed to be compatible with a hybrid plasmonic waveguide through matching of both the operational mode and the wave impedance. The antenna is designed to receive the optical signal from a planar waveguide and redirect the signal out of plane, and is therefore useful for inter- or intra-chip optical communications and sensing. The transmission line model in conjunction with surface plasmon theory is used to develop analytical formulas for design and analysis, and a 3-dimensional full-wave numerical method is used to validate the design. The proposed device provides a bandwidth of more than 15 THz, a gain of 5.6 dB, and an efficiency of 87%. Furthermore, by designing an 8 × 8 array of the proposed antenna, a directivity of 20 dBi and steering of the beam angle are achieved by controlling the relative phase shift between elements of the array.

© 2012 OSA

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Integrated Optics

Original Manuscript: May 8, 2012
Revised Manuscript: July 14, 2012
Manuscript Accepted: July 18, 2012
Published: July 26, 2012

Leila Yousefi and Amy C. Foster, "Waveguide-fed optical hybrid plasmonic patch nano-antenna," Opt. Express 20, 18326-18335 (2012)

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