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Article
Polarization Conversion with Elliptical Patch Nanoantennas
Applied Physics Letters
  • Feng Wang, Kent State University - Kent Campus
  • Ayan Chakrabarty, Kent State University - Kent Campus
  • Fred Minkowski, Kent State University - Kent Campus
  • Kai Sun, University of Michigan - Ann Arbor
  • Qi-Huo Wei, Kent State University
Publication Date
7-9-2012
Document Type
Article
DOI
10.1063/1.4731792
Keywords
  • infrared perfect absorber,
  • optical activity,
  • metamaterials,
  • light
Disciplines
Abstract

In this paper, we demonstrate arrays of optical patch nanoantennas can convert light polarization through reflection. By breaking the azimuthal symmetry, elliptical plasmonic patch nanoantennas exhibit both even and odd cavity modes, which can be expressed by Mathieu functions. It is shown that by properly orienting the incident polarization, a linearly polarized light in resonance with one cavity mode can be converted into an elliptical or circular polarization after reflection. Since the major cavity modes can be excited at all incident angles, the polarization conversion by these elliptical patch nanoantennas can be realized with wide range of incident angles.

Comments

Copyright 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Appl. Phys. Lett. 101, 023101 (2012) and may be found at http://dx.doi.org/10.1063/1.4731792.

Citation Information
Feng Wang, Ayan Chakrabarty, Fred Minkowski, Kai Sun, et al.. "Polarization Conversion with Elliptical Patch Nanoantennas" Applied Physics Letters Vol. 101 Iss. 2 (2012)
Available at: http://works.bepress.com/qi-huo_wei/3/