Near-zero-index materials for photonics

N Kinsey, C DeVault, A Boltasseva… - Nature Reviews …, 2019 - nature.com
The discovery, design and development of materials are critically linked to advances in
many areas of research, and optics is no exception. Recently, the spectral region in which …

Epsilon‐near‐zero photonics: a new platform for integrated devices

X Niu, X Hu, S Chu, Q Gong - Advanced Optical Materials, 2018 - Wiley Online Library
Abstract Epsilon‐near‐zero (ENZ) photonics is the study of light–matter interactions in the
presence of structures with near‐zero permittivity and has been emerging as an important …

Leaky-wave antennas

DR Jackson, C Caloz, T Itoh - Proceedings of the IEEE, 2012 - ieeexplore.ieee.org
This paper gives a basic review and a summary of recent developments for leaky-wave
antennas (LWAs). An LWA uses a guiding structure that supports wave propagation along …

Wire metamaterials: physics and applications

CR Simovski, PA Belov, AV Atrashchenko… - Advanced …, 2012 - Wiley Online Library
The physics and applications of a broad class of artificial electromagnetic materials
composed of lattices of aligned metal rods embedded in a dielectric matrix are reviewed …

Epsilon-near-zero metamaterials and electromagnetic sources: Tailoring the radiation phase pattern

A Alu, MG Silveirinha, A Salandrino, N Engheta - Physical Review B …, 2007 - APS
In this work, we investigate the response of epsilon-near-zero metamaterials and plasmonic
materials to electromagnetic source excitation. The use of these media for tailoring the …

Leaky-wave theory, techniques, and applications: From microwaves to visible frequencies

F Monticone, A Alu - Proceedings of the IEEE, 2015 - ieeexplore.ieee.org
Leaky waves have been among the most active areas of research in microwave engineering
over the second half of the 20th century. They have been shown to dominate the near-field …

Wave–matter interactions in epsilon-and-mu-near-zero structures

AM Mahmoud, N Engheta - Nature communications, 2014 - nature.com
In recent years, the concept of metamaterials has offered platforms for unconventional
tailoring and manipulation of the light–matter interaction. Here we explore the notion of …

Cavity-excited Huygens' metasurface antennas for near-unity aperture illumination efficiency from arbitrarily large apertures

A Epstein, JPS Wong, GV Eleftheriades - Nature communications, 2016 - nature.com
One of the long-standing problems in antenna engineering is the realization of highly
directive beams using low-profile devices. In this paper, we provide a solution to this …

Array thinning by using antennas in a Fabry–Perot cavity for gain enhancement

R Gardelli, M Albani, F Capolino - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
A Fabry–Perot cavity (FPC) between a ground plane and a partially reflective surface (PRS)
is used here to design array antennas with large distance between the radiating elements …

Passive lossless Huygens metasurfaces for conversion of arbitrary source field to directive radiation

A Epstein, GV Eleftheriades - IEEE Transactions on Antennas …, 2014 - ieeexplore.ieee.org
We present a semianalytical formulation of the interaction between a given source field and
a scalar Huygens metasurface (HMS), a recently introduced promising concept for wavefront …