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In the field of integrated sensing and communication, there's a growing need for advanced environmental perception. The terahertz (THz) frequency band, significant for ultra-high-speed data connections, shows promise in environmental…

Applied Physics · Physics 2023-12-13 Jiacheng Liu , Da Li , Guohao Liu , Yige Qiao , Menghan Wei , Chengyu Zhang , Fei Song , Jianjun Ma

Terahertz (THz) band is expected to be one of the key enabling technologies of the sixth generation (6G) wireless networks because of its abundant available bandwidth and very narrow beam width. Due to high frequency operations,…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Ahmet M. Elbir , Wei Shi , Anastasios K. Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

High absorption in a wide frequency band has attracted considerable interest since their potential applications in frequency spectrum imaging systems and anti-radar cloaking. In this paper, a polarization-independent, ultra-broadband and…

Optics · Physics 2014-09-23 Cheng Shi , XiaoFei Zang , XueBin Ji , Lin Chen , Bin Cai , YiMing Zhu

There is a growing interest in exploiting the terahertz frequency band for future communication systems that demand high data rates. Given the complex propagation behavior of this frequency band, various researchers have developed channel…

Signal Processing · Electrical Eng. & Systems 2022-10-17 Ha Tran , Thanh Le , Suresh Singh

A novel broadband technique to effectively launch plasmons along a single graphene layer at terahertz (THz) frequencies is proposed. To this end, the coupling of the electromagnetic wave from a readily available plasmonic waveguide…

Optics · Physics 2014-04-08 Mohammad Ali Khorrami , Samir El-Ghazaly

The Terahertz band, spanning from 0.1~THz to 10~THz, is envisioned as a key technology to realize ultra-high data rates in the 6G and beyond mobile communication systems, due to its abundant bandwidth resource. However, to realize THz…

Information Theory · Computer Science 2024-02-09 Yuanbo Li , Yiqin Wang , Yi Chen , Ziming Yu , Chong Han

Reflectarrays composed of resonant microstrip gold patches on a dielectric substrate are demonstrated for operation at terahertz frequencies. Based on the relation between the patch size and the reflection phase, a progressive phase…

Terahertz (THz) communications have naturally promising physical layer security (PLS) performance in the angular domain due to the high directivity feature brought by the ultra-massive multiple-antenna techniques. However, traditional…

Information Theory · Computer Science 2022-07-26 Weijun Gao , Xuyang Lu , Chong Han , Zhi Chen

Benefiting from the ultra-wide bandwidth, terahertz (THz) communication is becoming a promising technology for future 6G networks. For THz communication, precoding is an essential technique to overcome the severe path loss of THz signals in…

Information Theory · Computer Science 2020-05-22 Jingbo Tan , Linglong Dai

We study graphene on a photonic crystal operating in the terahertz (THz) spectral range. We show that the absorption of graphene becomes a modulated function of frequency and can be enhanced by more than three times at specific frequency…

Mesoscale and Nanoscale Physics · Physics 2013-03-25 Nuno M. R. Peres , Yuliy V. Bludov

Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) wireless communication systems. In this paper, a novel three-dimensional (3D) space-time-frequency non-stationary…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao , Xiaohu You , Yang Hao

Wireless communications in the terahertz band have been recently proposed as complement to conventional wired interconnects within computing packages. Such environments are typically highly reverberant, hence showing long channel impulse…

This paper considers a scenario in which the Terahertz (THz) transmitter equipped with a linear antenna array wishes to focus its beam to a desired spatial region in the array near-field. The goal is to compute the achievable spatial region…

Information Theory · Computer Science 2022-05-25 Lingxiang Li , Haoran Li , Zhi Chen , Weixin Chen , Shaoqian Li

Driven by a myriad of potential applications such as communications, medical imaging, security, spectroscopy, and so on, terahertz (THz) technology has emerged as a rapidly growing technological field during the last three decades. However,…

Applied Physics · Physics 2018-01-08 Sara Arezoomandan

The emergence of THz (Terahertz) frequency wireless networks holds great potential for advancing various high-demand services, including Industrial Internet of Things (IIoT) applications. These use cases benefit significantly from the…

Networking and Internet Architecture · Computer Science 2025-02-11 Sara Cavallero , Andrea Pumilia , Giampaolo Cuozzo , Alessia Tarozzi , Chiara Buratti , Roberto Verdone

Frequency Band of 0.5 THz to 1.1 THz (WR1.5 and WR1) is one of the promising bands when it comes to 6G. In this paper, we propose a novel metamaterial absorber suitable to be used at lower WR1 frequencies in TE mode. Alternatively, the…

Next-generation wireless networks will leverage the spectrum above 100 GHz to enable ultra-high data rate communications over multi-GHz-wide bandwidths. The propagation environment at such high frequencies, however, introduces challenges…

Signal Processing · Electrical Eng. & Systems 2022-08-30 Priyangshu Sen , Jacob Hall , Michele Polese , Vitaly Petrov , Duschia Bodet , Francesco Restuccia , Tommaso Melodia , Josep M. Jornet

The terahertz (THz) band (0.1-10 THz) is widely considered to be a candidate band for the sixth-generation mobile communication technology (6G). However, due to its short wavelength (less than 1 mm), scattering becomes a particularly…

Signal Processing · Electrical Eng. & Systems 2023-05-08 Ben Chen , Ke Guan , Danping He , Pengxiang Xie , Zhangdui Zhong , Jianwu Dou , Shahid Mumtaz , Wael Bazzi

Ultrafast and sensitive (noise equivalent power <1 nWHz-1/2) light-detection in the Terahertz (THz) frequency range (0.1-10 THz) and at room-temperature is key for applications such as time-resolved THz spectroscopy of gases, complex…

Terahertz (THz) technologies, generally defined as operating in the 0.1-10THz range, bridge the gap between electronic and photonic devices. Because THz radiation passes readily through materials such as plastics, paper and cloth it can be…