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Past achievements and future challenges in the development of three-dimensional photonic metamaterials

Past achievements and future challenges in the development of three-dimensional photonic metamaterials
Author: C.M. Soukoulis and M. Wegener
links:
Source: Nature Photon. 5, 523 (2011)
Date: 17.7.2011

Abstract:

Photonic metamaterials are man-made structures composed of tailored micro- or nanostructured metallodielectric subwavelength building blocks. This deceptively simple yet powerful concept allows the realization of many new and unusual optical properties, such as magnetism at optical frequencies, negative refractive index, large positive refractive index, zero reflection through impedance matching, perfect absorption, giant circular dichroism and enhanced nonlinear optical properties. Possible applications of metamaterials include ultrahigh-resolution imaging systems, compact polarization optics and cloaking devices. This Review describes recent progress in the fabrication of three-dimensional metamaterial structures and discusses some of the remaining challenges.