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Proceedings Paper

Propagation properties of silver nanowires embedded in a substrate with gain
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Paper Abstract

The transmittance, reflectance and absorption of silver nanowires metamaterial embedded into a semiconductor matrix with optical gain are numerically investigated. Metamaterials may suffer from appreciable dissipative losses which are inherent for all plasmonic structures. The losses can significantly be reduced by introducing optical gain in the dielectric matrix by placing atomic or molecular impurities which are pumped by an external light source to create a population inversion. We numerically analyzed the optical properties when the semiconductor host material represents a gain medium. We calculate the transmittance, reflectance and absorption at normal incidence in the visible and near infrared ranges. We observed a peculiar behavior of their optical coefficients that can be explained by observing the field redistribution on the metamaterial.

Paper Details

Date Published: 16 September 2016
PDF: 5 pages
Proc. SPIE 9918, Metamaterials, Metadevices, and Metasystems 2016, 99182Q (16 September 2016); doi: 10.1117/12.2239005
Show Author Affiliations
Joaquim Lima, Federal Univ. of Bahia (Brazil)
Univ. of Southern Denmark (Denmark)
Jost Adam, Univ. of Southern Denmark (Denmark)
Davi Rego, Federal Univ. of Bahia (Brazil)
Federal Institute of Bahia (Brazil)
Vitaly Esquerre, Federal Univ. of Bahia (Brazil)
Vladimir Bordo, Univ. of Southern Denmark (Denmark)

Published in SPIE Proceedings Vol. 9918:
Metamaterials, Metadevices, and Metasystems 2016
Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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