Polarization insensitivity in epsilon-near-zero metamaterial from plasmonic aluminum-doped zinc oxide nanoparticles

Hossein Alisafaee; Michael A. Fiddy

doi:10.1117/1.JNP.8.083898

6 January 2014 Polarization insensitivity in epsilon-near-zero metamaterial from plasmonic aluminum-doped zinc oxide nanoparticles

Hossein Alisafaee, Michael A. Fiddy

Author Affiliations +

Journal of Nanophotonics, Vol. 8, Issue 1, 083898 (January 2014). https://doi.org/10.1117/1.JNP.8.083898

Abstract

We investigated the optical characteristics and polarization insensitivity of an epsilon-near-zero metamaterial structure comprising aluminum-doped zinc oxide nanoparticles (NPs) hosted by a medium of ligands. By the use of an equivalent circuit model for the pairs of NPs, or dimers, and also of fullwave simulations, we studied the response of this self-assembled metamaterial for near-infrared applications. Considering the coupling of localized surface plasmons, we demonstrated the dominance of a certain dimer configuration and then applied this result to the whole medium as a simplifying approximation for a random structure. The consequent results showed a polarization insensitivity and also a general redshift in the plasmon resonance of the structure.

Citation Download Citation

Hossein Alisafaee and Michael A. Fiddy "Polarization insensitivity in epsilon-near-zero metamaterial from plasmonic aluminum-doped zinc oxide nanoparticles," Journal of Nanophotonics 8(1), 083898 (6 January 2014). https://doi.org/10.1117/1.JNP.8.083898

Published: 6 January 2014

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