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Proceedings Paper

Experimental validation of a new bianisotropic parameter retrieval technique using plasmonic metasurfaces made of V-shape antennas
Author(s): Jingjing Liu; Amr M. Shaltout; Xingjie Ni; Vladimir M. Shalaev; Alexander V. Kildishev
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Paper Abstract

We report on a numerical study of a new bianisotropic parameter retrieval technique for both regular and complementary V-shape antenna metasurfaces. Each antenna element with a discrete phase shift is modeled by a homogenous bianisotropic film to represent the optical response. For the complementary design, the retrieval implies a complementary behavior of effective material properties and predicts the analogous functionalities. Further, FDFD solver is developed to integrate the bianisotropic descriptions of each antenna and describes a fully functional metasurface. The computational burden is significantly reduced, because effective material properties replace the detailed meshing of the antennas. Experimentally, large dimension arrays of nano‐voids are fabricated using electron beam lithography. It is demonstrated that cross-polarized light is diffracted towards the same direction. Furthermore, the complementary design greatly increases the extinction ratio of functional fields to background fields.

Paper Details

Date Published: 11 September 2013
PDF: 10 pages
Proc. SPIE 8806, Metamaterials: Fundamentals and Applications VI, 88060F (11 September 2013);
Show Author Affiliations
Jingjing Liu, Purdue Univ. (United States)
Amr M. Shaltout, Purdue Univ. (United States)
Xingjie Ni, Purdue Univ. (United States)
Univ. of California, Berkeley (United States)
Vladimir M. Shalaev, Purdue Univ. (United States)
Alexander V. Kildishev, Purdue Univ. (United States)

Published in SPIE Proceedings Vol. 8806:
Metamaterials: Fundamentals and Applications VI
Allan D. Boardman; Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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