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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 14 — Jul. 2, 2012
  • pp: 16104–16112

Enhancement of radiation from dielectric waveguides using resonant plasmonic coreshells

Uday K. Chettiar, Roberto Fernandez Garcia, Stefan A. Maier, and Nader Engheta  »View Author Affiliations


Optics Express, Vol. 20, Issue 14, pp. 16104-16112 (2012)
http://dx.doi.org/10.1364/OE.20.016104


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Abstract

Here, we present parametric studies of a method for enhancing radiation from a dielectric waveguide through the use of resonant coreshells. These coreshells act as a compact impedance matching element between the guided modes of the waveguide and radiation modes in free space. Furthermore, we also show that we can sense the distance between the waveguide end and the coreshell by monitoring the reflectance of the waveguide mode. Coreshell decoupled radiation from dielectric waveguides could hence find use for highly integrated optical coupling elements or nanometric distance sensors.

© 2012 OSA

OCIS Codes
(230.7370) Optical devices : Waveguides
(260.3910) Physical optics : Metal optics
(160.3918) Materials : Metamaterials

ToC Category:
Metamaterials

History
Original Manuscript: May 22, 2012
Manuscript Accepted: June 9, 2012
Published: June 29, 2012

Citation
Uday K. Chettiar, Roberto Fernandez Garcia, Stefan A. Maier, and Nader Engheta, "Enhancement of radiation from dielectric waveguides using resonant plasmonic coreshells," Opt. Express 20, 16104-16112 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-14-16104


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