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Broadband switching of terahertz waves at room temperature is demonstrated using a reconfigurable subwavelength metallic hole coupled disk array. The interaction between a metallic membrane featuring periodically arranged circular holes and…

Optics · Physics 2026-02-12 Sanaz Zarei

The linearization of a microwave photonic link based on a dual-parallel Mach-Zehnder modulator is theoretically described and experimentally demonstrated. Up to four different radio frequency tones are considered in the study, which allow…

Terahertz frequencies are an untapped resource for providing high-speed short-range communications. As a result, it is of interest to study the propagation characteristics of terahertz waves and to develop channel models. In previous work…

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

The Terahertz (0.1-10 THz) band has been envisioned as one of the promising spectrum bands to support ultra-broadband sixth-generation (6G) and beyond communications. In this paper, a wideband channel measurement campaign in a 500-…

Information Theory · Computer Science 2023-05-24 Yiqin Wang , Yuanbo Li , Yi Chen , Ziming Yu , Chong Han

Terahertz frequency bands will likely be used for the next-generation wireless communication systems to provide data rates of hundreds of Gbps or even Tbps because of the wide swaths of unused and unexplored spectrum. This paper presents…

Information Theory · Computer Science 2021-10-26 Yunchou Xing , Theodore S. Rappaport

Accurate characterization of Terahertz (THz) band path loss is critical for reliable high-frequency communication, especially in aerial networks where transceivers may operate at different altitudes. Existing THz-band path loss models for…

Signal Processing · Electrical Eng. & Systems 2026-04-01 Sina Jorjani , Caglar Tunc , Ozgur Gurbuz , Akhtar Saeed

Terahertz (THz) communications are envisioned as a promising technology for sixth-generation (6G) and beyond systems, owing to its unprecedented multi-gigahertz (GHz) bandwidth. In this paper, channel measurement campaigns in indoor…

Information Theory · Computer Science 2022-05-03 Yi Chen , Chong Han , Ziming Yu , Guangjian Wang

In the millimeter wave (30-300 GHz) and Terahertz (0.1-10 THz) frequency bands, high spreading loss and molecular absorption often limit the signal transmission distance and coverage range. In this paper, four directions to tackle the…

Signal Processing · Electrical Eng. & Systems 2019-02-14 Ian F. Akyildiz , Chong Han , Shuai Nie

Terahertz (0.1-10 THz) communications are envisioned as a key technology for sixth generation (6G) wireless systems. The study of underlying THz wireless propagation channels provides the foundations for the development of reliable THz…

Information Theory · Computer Science 2022-06-10 Chong Han , Yiqin Wang , Yuanbo Li , Yi Chen , Naveed A. Abbasi , Thomas Kürner , Andreas F. Molisch

Terahertz (THz) communication is considered one of the most critical technologies for 6G because of its abundant bandwidth. To compensate the high propagation of THz, analog/digital hybrid precoding for THz massive multiple input multiple…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Yang Wang , Chuang Yang , Mugen Peng

This paper examines the performance of a 2x2 Line of Sight (LoS) Multiple Input Multiple Output (MIMO) channel at three terahertz frequencies-340 GHz, 410 Ghz, and 460 GHz. While theoretical models predict very high channel capacities, we…

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

The accurate modeling of reflection coefficients is pivotal for developing reliable channel models in emerging terahertz (THz) communications. This study establishes a 300$\sim$400 GHz channel measurement platform to measure the reflection…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Taihao Zhang , Chenzhou Lin , Cunhua Pan , Hong Ren , Ruyi Liu , Yongchao He , Tian Qiu , Bingchang Hua , Jiangzhou Wang

Hybrid transceiver design in multiple-input multiple-output (MIMO) Tera-Hertz (THz) systems relying on sparse channel state information (CSI) estimation techniques is conceived. To begin with, a practical MIMO channel model is developed for…

Signal Processing · Electrical Eng. & Systems 2022-01-12 Suraj Srivastava , Ajeet Tripathi , Neeraj Varshney , Aditya K. Jagannatham , Lajos Hanzo

Taming the Terahertz waves (100 GHz-10 THz) is considered the next frontier in wireless communications. While components for the ultra-high bandwidth Terahertz wireless communications were in rapid development over the past several years,…

Applied Physics · Physics 2017-12-14 Kathirvel Nallappan , Hichem Guerboukha , Chahé Nerguizian , Maksim Skorobogatiy

Analyzing the internal loss characteristics and multimodedness of (integrated) optical devices can prove difficult. One technique to recover this information is to Fourier transform the transmission spectrum of optical components. This…

A two-stage hybrid transceiver is designed by considering a partially connected architecture at the base station (BS) for a low-resolution multi-user (MU) THz massive multiple input multiple output (MIMO) system. Due to its high bandwidth…

Signal Processing · Electrical Eng. & Systems 2026-03-11 Abhisha Garg , Akash Kumar , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo

In this work, we consider Terahertz (THz) communications with low-resolution uniform quantization and spatial oversampling at the receiver side, corresponding to a single-input multiple-output (SIMO) transmission. We fairly compare…

Information Theory · Computer Science 2025-02-06 Christian Forsch , Peter Zillmann , Osama Alrabadi , Stefan Brueck , Wolfgang Gerstacker

A superconducting microstrip half-wavelength resonator is proposed as a suitable band-pass filter for broadband moderate spectral resolution spectroscopy for terahertz (THz) astronomy. The proposed filter geometry has a free spectral range…

Instrumentation and Methods for Astrophysics · Physics 2021-09-23 Alejandro Pascual Laguna , Kenichi Karatsu , David J. Thoen , Vignesh Murugesan , Bruno T. Buijtendorp , Akira Endo , Jochem J. A. Baselmans

The terahertz (THz) band is a key enabler for future wireless systems, promising ultra-high data rates and dense spatial reuse. However, the reliability of THz links remains a major challenge due to severe path loss and small-scale fading…

Signal Processing · Electrical Eng. & Systems 2026-01-23 Almutasem Bellah Enad , Jihad Fahs , Hakim Jemaa , Hadi Sarieddeen , Tareq Y. Al-Naffouri

Chip-based terahertz (THz) devices are emerging as versatile tools for manipulating mm-wave frequencies in the context of integrated high-speed communication technologies for potential sixth-generation (6G) wireless applications. The…