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The terahertz (THz) band has attracted significant interest for future wireless networks. In this paper, a THz integrated sensing communications and powering (THz-ISCAP) system, where sensing is leveraged to enhance communications and…

Signal Processing · Electrical Eng. & Systems 2025-01-23 Hua Yan , Yunfei Chen

Compact terahertz (THz) functional devices are greatly sought after for high-speed wireless communication, biochemical sensing, and non-destructive inspection. However, conventional devices to generate and guide THz waves are afflicted with…

Near-field propagation is often unavoidable at terahertz (THz) frequencies due to the large apertures needed for sufficient array gain, yet near-field operation complicates practical system design, especially under user mobility. This paper…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Peng Zhang , Vitaly Petrov , Arjun Singh , Emil Björnson , Josep Miquel Jornet

Optoelectronic signal processing offers great potential for generation and detection of ultra-broadband waveforms in the THz range, so-called T-waves. However, fabrication of the underlying high-speed photodiodes and photoconductors still…

The terahertz (THz) band is a promising solution to the increasing data traffic demands of future wireless networks. However, developing transceivers for THz communication is a complex and toilsome task due to the difficulty in designing…

Signal Processing · Electrical Eng. & Systems 2025-02-10 Dogus Can Sevdiren , Aydin Sezgin , Mohammad Soleymani

A novel photonics-based RF reception approach is proposed as a competitive solution to meet the current challenges of photonic-based approaches and to realize high performances at the same time. The proposed approach adopts the…

Applied Physics · Physics 2021-08-16 Guangyu Gao , Qijun Liang , Ziyu Liu , Huanfa Peng , Qiang Zhao , Naijin Liu

The selection of an optimal photodetector area is closely linked to the attainment of higher data rates in optical wireless communication receivers. If the photodetector area is too large, the channel capacity degrades due to lower…

Signal Processing · Electrical Eng. & Systems 2023-09-19 Muhammad Salman Bashir , Qasim Zeeshan Ahmed , Mohamed-Slim Alouini

The explosive growth of artificial intelligence (AI) workloads in modern data centers demands a radical transformation of interconnect architectures. Traditional copper and optical wiring face fundamental challenges in latency, power…

Information Theory · Computer Science 2026-01-05 Chong Han , Mingjie Zhu , Wenqi Zhao , Ziming Yu , Guolong Huang , Guangjian Wang , Wen Tong , Wenjun Zhang

We analyze the open-loop mechanical tracking performance of a sub-Terahertz (sub-THz) and Terahertz (THz) uplink communication system. These high-frequency bands enable multi-gigabit links through large bandwidths and narrow beams, but…

Networking and Internet Architecture · Computer Science 2025-10-21 P. Brach del Prever , P. Testolina , A. Masihi , S. Petrushkevich , M. Polese , T. Melodia , J. M. Jornet

Sub-Terahertz (THz) frequencies between 100 GHz and 300 GHz are being considered as a key enabler for the sixth-generation (6G) wireless communications due to the vast amounts of unused spectrum. The 3rd Generation Partnership Project…

Signal Processing · Electrical Eng. & Systems 2022-03-09 Shihao Ju , Yunchou Xing , Ojas Kanhere , Theodore S. Rappaport

Terahertz technology has made significant advances in the fields of spectroscopy, imaging and, more recently, wireless communications. In the latter, the use of this frequency band between 0.1 and 10 THz becomes extremely attractive due to…

Emerging Technologies · Computer Science 2018-01-12 Sergi Abadal , Seyed E. Hosseininejad , Albert Cabellos-Aparicio , Eduard Alarcón

Optical wireless communication (OWC) is a promising technology anticipated to play a key role in the next-generation network of networks, especially as a complementary technology to traditional radio frequency communications, for enhancing…

Recent research has focused on single antenna radio-frequency (RF) and terahertz (THz) wireless systems to mix the access link with the backhaul. In this paper, we evaluate the performance of a mixed RF-THz system employing multiple…

Information Theory · Computer Science 2022-05-03 Pranay Bhardwaj , S. M. Zafaruddin

This paper presents a novel antenna configuration to measure directions of multiple signal sources at the receiver in a THz mobile network via a single channel measurement. Directional communication is an intrinsic attribute of THz wireless…

Signal Processing · Electrical Eng. & Systems 2021-08-12 Farzam Hejazi , Katarina Vuckovic , Nazanin Rahnavard

This article focuses on the near-field effect in terahertz (THz) communications and sensing systems. By equipping with extremely large-scale antenna arrays (ELAAs), the near-field region in THz systems can be possibly extended to hundreds…

Information Theory · Computer Science 2023-06-19 Zhaolin Wang , Xidong Mu , Yuanwei Liu

Compact and robust waveguide chips are crucial for new integrated terahertz applications, such as high-speed interconnections between processors and broadband short-range wireless communications. Progress on topological photonic crystals…

Wireless transfer of information is the basis of modern communication. It includes cellular, WiFi, Bluetooth and GPS systems, all of which use electromagnetic radio waves with frequencies ranging from typically 100 MHz to a few GHz.…

Applied Physics · Physics 2017-10-03 Joseph A Boales , Farrukh Mateen , Pritiraj Mohanty

Phononic engineering at gigahertz (GHz) frequencies form the foundation of microwave acoustic filters, acousto-optic modulators, and quantum transducers. Terahertz (THz) phononic engineering could lead to acoustic filters and modulators at…

Emerging communications and computing technologies will rely ever-more on expanding the useful radio frequency (RF) spectrum into the sub-THz and THz frequency range. Both classical and quantum applications would benefit from advancing…

The manipulation of visible and near-infrared light at the single-photon level plays a key role in quantum communication systems where information is encoded into photonic degrees of freedom. In practical implementations, it is important to…