Tunable terahertz dielectric resonator antenna

G Varshney - Silicon, 2021 - Springer
An annular dielectric resonator (DR) antenna (DRA) is implemented for THz applications. A
silicon made DR is loaded with graphene disk for obtaining the tunability in the frequency …

Implementing the single/multiport tunable terahertz circularly polarized dielectric resonator antenna

G Varshney, BC Sahana - Nano Communication Networks, 2022 - Elsevier
A tunable terahertz circularly-polarized dielectric resonator antenna is implemented and
numerically studied. An aperture coupled terahertz rectangular dielectric resonator antenna …

Broadband polarization insensitive and tunable terahertz metamaterial perfect absorber based on the graphene disk and square ribbon

A Norouzi-Razani, P Rezaei - Micro and Nanostructures, 2022 - Elsevier
Designing broadband absorbers with only one metamaterial layer operating in the terahertz
band is a relatively difficult challenge. In this paper, we proposed and investigate a …

Design and optimization of micro-sized wideband fractal MIMO antenna based on characteristic analysis of graphene for terahertz applications

KV Babu, S Das, GNJ Sree, BTP Madhav… - Optical and Quantum …, 2022 - Springer
In this article, an optimized, highly efficient, wideband 1× 2 Multiple-Input-Multiple-Output
(MIMO) fractal antenna is designed for high-speed short-range communication, video rate …

Multiband polarization insensitive and tunable terahertz metamaterial perfect absorber based on the heterogeneous structure of graphene

A Norouzi-Razani, P Rezaei - Optical and Quantum Electronics, 2022 - Springer
In this paper, we present and investigate a multi-band metamaterial perfect absorber based
on the heterogeneous structure of graphene with Cu and SiO2 substrates. The top layer of …

Tunable terahertz circularly polarized dielectric resonator antenna

R Gupta, G Varshney, RS Yaduvanshi - Optik, 2021 - Elsevier
A circularly polarized (CP) dielectric resonator (DR) antenna (DRA) is implemented and
numerically analyzed for terahertz (THz) applications. A composite of different deformed …

Designing of a circularly polarized reconfigurable graphene-based THz patch antenna with cross-shaped slot

N Kiani, FT Hamedani, P Rezaei - Optical and Quantum Electronics, 2023 - Springer
In this paper, a circular patch antenna with cross-shaped slot is designed. Graphene has
been used in the design of the said antenna. The proposed antenna structure has frequency …

Design and implementation of miniaturized wideband microstrip patch antenna for high-speed terahertz applications

SM Shamim, MS Uddin, MR Hasan… - Journal of Computational …, 2021 - Springer
In the twenty-first century, graphene is widely used in wireless communication, especially in
terahertz applications because of its amazing electrical, mechanical, and optical properties …

Quad-band circularly polarized tunable graphene based dielectric resonator antenna for terahertz applications

P Upender, A Kumar - Silicon, 2021 - Springer
Abstract A Cylindrical Dielectric Resonator antenna (CDRA) along with silicon based
Rectangular Dielectric Resonator (RDR) slab is proposed in this paper for terahertz (THz) …

Absorption-based ultra-sensitive RI sensor based on the flower-shaped graphene resonator for early detection of cancer

AHN Razani, P Rezaei, P Zamzam, SA Khatami… - Optics …, 2022 - Elsevier
In this paper, an ultra-sensitive sensor based on a flower-shaped graphene resonator is
presented. The proposed structure at 10.465 THz provides perfect absorption of 99.96% with …