On the study of the enhanced nanowire metamaterial structure

Abstract

Recent advances in nanotechnology enabled the effective fabrication of artificially engineered composites with customized physical properties called metamaterials. Such nonnatural behavior gave rise to many physical phenomena such as negative refraction, deep subwavelength imaging or cloaking. This paper presents the theoretical characterization of enhanced nanowire metamaterial structure consisting of anisotropic semiconductor nanowires. By changing the semiconductor’s parameters such as doping results in effective tuning of the hyperbolic dispersion of the metamaterial, which is not possible with noble metals. At last, the effects of the nanowire’s diameter, spacing and structure symmetry on hyperbolic dispersion were analytically investigated.