Graphene-coated nanowire waveguides and their applications

D Teng, K Wang, Z Li - Nanomaterials, 2020 - mdpi.com
In recent years, graphene-coated nanowires (GCNWs) have attracted considerable research
interest due to the unprecedented optical properties of graphene in terahertz (THz) and mid …

[HTML][HTML] 3D POSS cages decorated 2D graphenic sheets: A versatile platform for silicon-carbonaceous nano-additives design

A Lungu, AI Cernencu, GM Vlasceanu… - Composites Part B …, 2021 - Elsevier
This review paper provides the basic knowledge for fundamental understanding of the
covalent intercalation of graphenic materials with polyhedral oligosilsesquioxanes (POSS) …

Threshold conditions for transversal modes of tunable plasmonic nanolasers shaped as single and twin graphene-covered circular quantum wires

DO Herasymova, SV Dukhopelnykov… - …, 2022 - iopscience.iop.org
We implement the lasing eigenvalue problem (LEP) approach to study the electromagnetic
field in the presence of a circular quantum wire (QW) made of a gain material and wrapped …

Transparency and perfect absorption of all-dielectric resonant metasurfaces governed by the transverse Kerker effect

HK Shamkhi, A Sayanskiy, AC Valero… - Physical Review …, 2019 - APS
Dielectric metasurfaces allow us to realize many unique effects in optics, and they can serve
as the building blocks of the modern photonic technologies. Here, we suggest theoretically …

Efficient and high-quality absorption enhancement using epsilon-near-zero cylindrical nano-shells constructed by graphene

SH Raad, M Afshari-Bavil, D Liu - Scientific Reports, 2024 - nature.com
This paper presents a detailed scattering analysis of a hollow-core plasmonic-shell
cylindrical wire to design an efficient, compact, narrowband, and reconfigurable optical …

Circular dielectric rod with conformal strip of graphene as tunable terahertz antenna: interplay of inverse electromagnetic jet, whispering gallery and plasmon effects

SV Dukhopelnykov, M Lucido… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
In this article, we consider the radiation characteristics of a THz antenna made of a circular
dielectric rod decorated with conformal graphene strip and illuminated by the field of a line …

Integral equation analysis of terahertz backscattering from circular dielectric rod with partial graphene cover

SV Dukhopelnykov, R Sauleau… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
We study how the backward scattering cross-section (BSCS) of a microsize dielectric rod
illuminated by an H-polarized plane wave can be efficiently manipulated using a partial …

Novel analytical model of anisotropic multi-layer cylindrical waveguides incorporating graphene layers

MB Heydari, MHV Samiei - Photonics and Nanostructures-Fundamentals …, 2020 - Elsevier
We propose a novel analytical model for anisotropic multi-layer cylindrical structures
containing graphene layers. The general structure is formed by the aperiodic repetition of a …

Highly efficient compact and narrowband plasmonic absorber design using dense/sparse epsilon-near-zero spherical shell arrays

SH Raad, M Afshari-Bavil, D Liu - Optics & Laser Technology, 2024 - Elsevier
In this paper, epsilon-near-zero (ENZ) plasmonic resonances of graphene material are
employed to design efficient, compact, and narrowband optical absorbers. These …

Tunable electro-optic analog-to-digital converter using graphene nanoshells in photonic crystal ring resonators

S Naghizade, H Saghaei - Journal of the Optical Society of America B, 2021 - opg.optica.org
In this paper, we propose a novel design of a tunable electro-optic analog-to-digital
converter. The proposed structure consists of a tunable three-channel demultiplexer and an …