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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

Terahertz (THz) communication (0.1-10 THz) is regarded as a promising technology, which provides rich available bandwidth and high data rate of terahertz bit per second (Tbps). However, THz signals suffer from high path loss, which…

Information Theory · Computer Science 2021-05-26 Sha Xie , Lingxiang Li , Zhi Chen , Shaoqian Li

The forthcoming sixth-generation (6G) and beyond (XG) wireless networks are poised to operate across an expansive frequency range from microwave, millimeter-wave to terahertz bands to support ubiquitous connectivity in diverse application…

High-speed optical wireless communication can address the exponential growth in data traffic. Adaptive beamforming customized for the target location is crucial, but existing solutions such as liquidcrystal spatial light modulators and…

Networking and Internet Architecture · Computer Science 2023-04-27 Chao Li , Yiwen Zhang , Xinda Yan , Yuzhe Wang , Xuebing Zhang , Jian Cui , Lei Zhu , Juhao Li , Zilun Li , Shaohua Yu , Zizheng Cao , A. M. J. Koonen , Chia Wei Hsu

Silicon-organic hybrid integrated devices have emerging applications ranging from high-speed optical interconnects to photonic electromagnetic-field sensors. Silicon slot photonic crystal waveguides (PCWs) filled with electro-optic (EO)…

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

The rapid growth of global data traffic is accelerating the need for ultra-broadband communication technologies, particularly in cloud infrastructure and emerging 6G wireless systems. Optical computing and quantum information processing…

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

Communications in the terahertz band (THz) (0.1--10~THz) have been regarded as a promising technology for future 6G and beyond wireless systems, to overcome the challenges of evergrowing wireless data traffic and crowded spectrum. As the…

Information Theory · Computer Science 2022-05-26 Chong Han , Weijun Gao , Nan Yang , Josep M. Jornet

All-dielectric effective-medium-clad waveguides have been widely exploited in terahertz communications owing to their extremely low loss, low dispersion, and broad bandwidth. In this work, we propose a substrateless effective-medium-slot…

The efficient amplification and lasing of electromagnetic radiation at terahertz (THz) frequencies is a non-trivial task achieved mainly by quantum cascade laser configurations with limited tunability and narrowband functionality. There is…

Optics · Physics 2018-11-30 Tianjing Guo , Liang Zhu , Pai-Yen Chen , Christos Argyropoulos

The terahertz (THz) frequency range, bridging the gap between microwave and infrared frequencies, presents unparalleled opportunities for advanced imaging, sensing, communications, and spectroscopy applications. Terahertz photonics, in…

This paper presents a comprehensive quantitative comparison between Terahertz (THz) communication (TeraCom) and optical wireless communication (OWC) technologies, focusing on both indoor and outdoor environments. We propose a comparison…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Mingqing Liu , Hossein Kazemi , Majid Safari , Iman Tavakkolnia , Harald Haas

An electrically tunable terahertz (THz) plasmonic device is designed and fabricated using liquid metals (eutectic gallium indium EGaIn) and shape memory alloy wires (Flexinol). The liquid metal is injected into the voids of a poly(dimethyl)…

Applied Physics · Physics 2019-05-07 Hui Zhou , Ting Zhang , Ajay Nahata

The Terahertz band holds a promise to enable both super-accurate sensing and ultra-fast communication. However, challenges arise that severe Doppler effects call for a waveform with high Doppler robustness while severe propagation path loss…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Meilin Li , Chong Han , Shi Jin

A proposed Line of Sight and Non Line of Sight model for Terahertz Communication with achievable data rates of upto 100GBps using Photonic Topological Insulator.

Signal Processing · Electrical Eng. & Systems 2020-04-30 Rajat Pushkarna

The efficient modulation and control of ultrafast signals on-chip is of central importance in terahertz (THz) communications and a promising route toward sub-diffraction limit THz spectroscopy. Two-dimensional (2D) materials may provide a…

High resolution (900 Hz full-width at half maximum) frequency domain spectroscopy near 0.2Terahertz is achieved using an exact frequency spacing comb-source in the optical communications band, filtering and photo-mixing in a custom…

Instrumentation and Detectors · Physics 2019-09-19 Rodolfo I. Hermans , Haymen Shams , James P. Seddon , Alwyn J. Seeds , Gabriel Aeppli

TeraHertz (THz) communications are envisioned as a promising technology, owing to its unprecedented multi-GHz bandwidth. One fundamental challenge when moving to new spectrum is to understand the science of radio propagation and develop an…

Information Theory · Computer Science 2021-02-01 Yi Chen , Yuanbo Li , Chong Han , Ziming Yu , Guangjian Wang

Two-way microwave-optical quantum transduction is essential to connecting distant superconducting qubits via optical fiber, and to enable quantum networking at a large scale. In Bl\'esin, Tian, Bhave, and Kippenberg's article, ``Quantum…