Terahertz beam steering technologies: from phased arrays to field‐programmable metasurfaces

X Fu, F Yang, C Liu, X Wu, TJ Cui - Advanced optical materials, 2020‏ - Wiley Online Library
In past decades, terahertz radiation, which locates between microwave and far‐infrared light
in the electromagnetic spectrum, has attracted more and more attention. Various passive …

Metasurfaces and their applications

A Li, S Singh, D Sievenpiper - Nanophotonics, 2018‏ - degruyter.com
Metasurfaces are a topic of significant research and are used in various applications due to
their unique ability to manipulate electromagnetic waves in microwave and optical …

Tutorial: Terahertz beamforming, from concepts to realizations

D Headland, Y Monnai, D Abbott, C Fumeaux… - Apl Photonics, 2018‏ - pubs.aip.org
The terahertz range is generally defined as the portion of the electromagnetic spectrum that
lies between 100 GHz and 10 THz. It is situated above the microwave range, and below the …

Progress in frequency selective surface-based smart electromagnetic structures: A critical review

R Panwar, JR Lee - Aerospace Science and Technology, 2017‏ - Elsevier
This article analyzes a review of recent developments in the field of frequency selective
surface (FSS)-based advanced electromagnetic (EM) structures. FSSs have been the …

Graphene based functional devices: A short review

R Wang, XG Ren, Z Yan, LJ Jiang, WEI Sha… - Frontiers of …, 2019‏ - Springer
Graphene is an ideal 2D material system bridging electronic and photonic devices. It also
breaks the fundamental speed and size limits by electronics and photonics, respectively …

Proximity-coupled two-port multi-input-multi-output graphene antenna with pattern diversity for THz applications

G Varshney, S Gotra, VS Pandey… - Nano Communication …, 2019‏ - Elsevier
A proximity coupled graphene patch based two-port multi-input-multi-output (MIMO) antenna
with pattern diversity is implemented for THz applications. The MIMO and diversity …

[HTML][HTML] Frequency selective surfaces as spatial filters: Fundamentals, analysis and applications

A Kapoor, R Mishra, P Kumar - Alexandria Engineering Journal, 2022‏ - Elsevier
In the present scenario, there are prime challenges that need to be addressed in modern
wireless communication systems. These challenges consist of implementation of techniques …

Graphene-based tunable terahertz self-diplexing/MIMO-STAR antenna with pattern diversity

MF Ali, R Bhattacharya, G Varshney - Nano Communication Networks, 2021‏ - Elsevier
This paper presents a tunable terahertz (THz) two-port graphene patch antenna having
isolation between the ports of the order of 40 dB over the whole range of tunability. This …

Survey of beam steering techniques available for millimeter wave applications

I Uchendu, JR Kelly - Progress in electromagnetics research B, 2016‏ - jpier.org
Pattern reconfigurable antennas (beam steerable antennas) are essential for various
applications in electronic engineering such as telecommunication and radar. They mitigate …

An ultra-wideband orthogonal-beam directional graphene-based antenna for THz wireless systems

S Dash, C Psomas, A Patnaik, I Krikidis - Scientific Reports, 2022‏ - nature.com
In terahertz (THz) wireless systems, graphene shows a tremendous promise for the
implementation of miniaturized and reconfigurable antennas due to its unique tunable …