Terahertz beam steering: from fundamentals to applications

Y Monnai, X Lu, K Sengupta - Journal of Infrared, Millimeter, and Terahertz …, 2023 - Springer
Free-space transmission of terahertz (THz) waves opens great opportunities for wireless
applications including sensing and communication in the 6G era and beyond. Owing to their …

Double-layer geodesic and gradient-index lenses

Q Chen, SAR Horsley, NJG Fonseca, T Tyc… - Nature …, 2022 - nature.com
A double-layer lens consists of a first gradient-index/geodesic profile in an upper
waveguide, partially surrounded by a mirror that reflects the wave into a lower guide where …

Wireless and optical convergent access technologies toward 6G

HRD Filgueiras, ES Lima, MSB Cunha… - IEEE …, 2023 - ieeexplore.ieee.org
The sixth generation of mobile communication (6G) systems is recently rising a lot of interest,
introducing new futuristic and challenging use cases that will demand much more than just …

Reconfigurable intelligent surfaces empowered THz communication in LEO satellite networks

K Tekbiyik, GK Kurt, AR Ektı, H Yanikomeroglu - IEEE Access, 2022 - ieeexplore.ieee.org
Massive swarms of low Earth orbit (LEO) satellites are poising to serve for high-speed and
low-latency ubiquitous connectivity with almost global coverage. Broadband inter-satellite …

A 38 dB gain, low-loss, flat array antenna for 320–400 GHz enabled by silicon-on-insulator micromachining

A Gomez-Torrent, T Tomura… - … on Antennas and …, 2020 - ieeexplore.ieee.org
Two high-gain flat array antenna designs operating in the 320-400 GHz frequency range are
reported in this article. The two antennas show the measured gains of 32.8 and 38 dBi and …

Comparison of real-and complex-valued NN equalizers for photonics-aided 90-Gbps D-band PAM-4 coherent detection

W Zhou, J Shi, L Zhao, K Wang, C Wang… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
5G defines below 100 GHz as the millimeter-wave bands, whereas 100 GHz-3 THz is
categorized as THz band in 6G. Deep leraning (DL) is expected to enable a significant …

A 3D-printed subterahertz metallic surface-wave Luneburg lens multibeam antenna

B Nie, H Lu, T Skaik, Y Liu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This letter presents an experimental realization of a subterahertz metallic gradient index
(GRIN) lens multibeam antenna operating at 355 GHz. The antenna is composed of a …

Antenna technologies for beyond-5G wireless communication: Challenges and opportunities

M Ivashina, A Vilenskiy, HT Chou… - … on Antennas and …, 2021 - ieeexplore.ieee.org
This paper provides an overview of the Sweden-Taiwan collaborative research framework
project 'Antenna Technologies for Beyond-5G Wireless Communication'that has been …

Multibeam Si/GaAs Holographic Metasurface Antenna at W-Band

O Yurduseven, C Lee… - … on Antennas and …, 2020 - ieeexplore.ieee.org
We demonstrate a silicon (Si)-gallium arsenide (GaAs) semiconductor-based holographic
metasurface antenna operating at 94 GHz. The metasurface antenna molds the radiated …

High-gain and low-profile dielectric-image-line leaky-wave-antenna for wide-angle beam scanning at sub-THz frequencies

Y Torabi, G Dadashzadeh, A Lalbakhsh… - Optics & Laser …, 2022 - Elsevier
A low-profile THz leaky-wave antenna (LWA) enabled by a Dielectric Image-Line (DIL) with
wide beam steering capability is reported for the first time in this paper. The DIL as a low …