Graphene-based tunable hyperbolic metamaterials and enhanced near-field absorption

MAK Othman, C Guclu, F Capolino - Optics express, 2013 - opg.optica.org
We investigate a novel implementation of hyperbolic metamaterial (HM) at far-infrared
frequencies composed of stacked graphene sheets separated by thin dielectric layers. Using …

Parity-time-symmetric plasmonic metamaterials

H Alaeian, JA Dionne - Physical Review A, 2014 - APS
We theoretically investigate the optical properties of parity-time (PT)-symmetric three-
dimensional metamaterials composed of strongly coupled planar plasmonic waveguides. By …

Hyperbolic metamaterial as super absorber for scattered fields generated at its surface

C Guclu, S Campione, F Capolino - Physical Review B—Condensed Matter …, 2012 - APS
We show that hyperbolic metamaterials (HMs) that exhibit hyperbolic wave-vector dispersion
diagrams possess two important features related to super absorption: The total power …

Negative refraction and sub-wavelength focusing in the visible range using transparent metallo-dielectric stacks

M Scalora, G D'Aguanno, N Mattiucci, MJ Bloemer… - Optics …, 2007 - opg.optica.org
We numerically demonstrate negative refraction of the Poynting vector and sub-wavelength
focusing in the visible part of the spectrum using a transparent multilayer, metallo-dielectric …

Graphene–dielectric composite metamaterials: evolution from elliptic to hyperbolic wavevector dispersion and the transverse epsilon-near-zero condition

MAK Othman, C Guclu… - Journal of Nanophotonics, 2013 - spiedigitallibrary.org
We investigated a multilayer graphene–dielectric composite material, comprising graphene
sheets separated by subwavelength-thick dielectric spacer, and found it to exhibit hyperbolic …

Uniaxial metallo-dielectric metamaterials with scalar positive permeability

J Schilling - Physical Review E—Statistical, Nonlinear, and Soft …, 2006 - APS
The dispersion relation for plane waves in uniaxial metamaterials with indefinite dielectric
tensors and scalar positive permeability is theoretically investigated. It is found, that the …

Slow light and 3D imaging with non-magnetic negative index systems

LV Alekseyev, E Narimanov - Optics Express, 2006 - opg.optica.org
We demonstrate that strongly anisotropic planar dielectric systems can be used to create
waveguides supporting modes with extremely slow group velocity. Furthermore, we show …

Metalenses for subwavelength imaging

KV Baryshnikova, SS Kharintsev, PA Belov… - Physics …, 2022 - iopscience.iop.org
Devices that form an optical image with a subwavelength resolution in real time–metalenses–
are considered. Such devices either operate with near optical fields or convert near fields …

[图书][B] Diffractive optics and nanophotonics

VA Soifer - 2017 - taylorfrancis.com
Diffractive Optics and Nanophotonics is devoted to achievements in diffractive optics,
focusing on the creation of new nanophotonic components and devices, as well as …

Subwavelength imaging with anisotropic structure comprising alternately layered metal and dielectric films

C Wang, Y Zhao, D Gan, C Du, X Luo - optics express, 2008 - opg.optica.org
Subwavelength imaging can be obtained with alternately layered metallodielectric films
structure, even when the permittivity of metal and dielectric are not matched. This occurs as …