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The Terahertz or millimeter wave frequency band (300 GHz - 3 THz) is spectrally located between microwaves and infrared light and has attracted significant interest for applications in broadband wireless communications, space-borne…

We demonstrated an ultra-broadband, polarization-insensitive and wide-angle metamaterial absorber for terahertz (THz) frequencies using arrays of truncated pyramid unit structure made of metal-dielectric multilayer composite. In our design…

Optics · Physics 2014-06-02 Jianfei Zhu , Zhaofeng Ma , Wujiong Sun , Fei Ding , Qiong He , Lei Zhou , Yungui Ma

The design is suggested, and possible operation parameters are discussed, of an instrument to inspect a skin cancer tumour in the terahertz (THz) range, transferring the image into the infrared (IR) and making it visible with the help of…

Medical Physics · Physics 2022-04-13 A. V. Postnikov , K. A. Moldosanov , N. J. Kairyev , V. M. Lelevkin

Terahertz (THz) radiation, spanning from 0.3 to 3x10^12 Hz, fills the crucial gap between the microwave and infrared spectral range. THz technology has found applications in various fields, from imaging and sensing to telecommunication and…

The lack of coherent room-temperature sources in the whole terahertz spectral window (0.3-10 THz) has significantly hampered the growth of scientific and technological applications in this range. Among them, high-precision frequency…

Spintronic terahertz (THz) emitter provides the advantages such as apparently broader spectrum, significantly lower cost, and more flexibility in compared with the commercial THz emitters, and thus attracts great interests recently. In past…

Mesoscale and Nanoscale Physics · Physics 2018-11-13 Zheng Feng , Rui Yu , Yu Zhou , Hai Lu , Wei Tan , Hu Deng , Quancheng Liu , Zhaohui Zhai , Liguo Zhu , Jianwang Cai , Bingfeng Miao , Haifeng Ding

With the growing demand for higher wireless data rates, the interest in extending the carrier frequency of wireless links to the terahertz (THz) range has significantly increased. For long-distance outdoor wireless communications, THz…

Signal Processing · Electrical Eng. & Systems 2024-09-19 Jianjun Ma , Yuheng Song , Mingxia Zhang , Guohao Liu , Weiming Li , John F. Federici , Daniel M. Mittleman

We demonstrate an all-photonic terahertz receiver for a data-modulated signal, targeting a 106-GHz, 2.97-Gb/s OOK link. The scheme employs dual-wavelength optical carriers referenced to a soliton microcomb and performs THz-to-optical…

We analyze the operation of a resonant detector of terahertz (THz) radiation based on a two-dimensional electron gas (2DEG) channel with split gates. The side gates are used for the excitation of plasma oscillations by incoming THz…

Other Condensed Matter · Physics 2009-11-13 V. Ryzhii , A. Satou , T. Otsuji , M. S. Shur

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…

Spectacular advances in heterodyne astronomy with both the Herschel Space Observatory and Stratospheric Observatory for Far Infrared Astronomy (SOFIA) have been largely due to breakthroughs in detector technology. In order to exploit the…

Mesoscale and Nanoscale Physics · Physics 2019-10-01 S. Lara-Avila , A. Danilov , D. Golubev , H. He , K. H. Kim , R. Yakimova , F. Lombardi , T. Bauch , S. Cherednichenko , S. Kubatkin

We report the enhanced optical transmission in the coherent, off-resonant excitation of Rydberg atom gases at room temperature via a two-photon process. Here thermal resonance-enhanced transparency (TRET) is induced when the detuning of the…

We report on reflective electro-optic sampling measurements of TeraHertz emission from nanometer-gate-length InGaAs-based high electron mobility transistors. The room temperature coherent gate-voltage tunable emission is demonstrated. We…

The fast detection of terahertz radiation is of great importance for various applications such as fast imaging, high speed communications, and spectroscopy. Most commercial products capable of sensitively responding the terahertz radiation…

Rydberg atomic receivers offer a quantum-native alternative to conventional RF front-ends by directly detecting electromagnetic fields via highly excited atomic states. While their quantum-limited sensitivity and hardware simplicity make…

Information Theory · Computer Science 2025-05-06 Jiuyu Liu , Yi Ma , Rahim Tafazolli

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

We study terahertz transmission through nano-patterned vanadium dioxide thin film. It is found that the patterning allows the lowering of the apparent transition temperature. For the case of the smallest width nano antennas, the transition…

Terahertz spectral range (frequencies of 0.1-1 THz) has recently emerged as the next frontier for non-destructive imaging, industrial sensing and ultra-fast wireless communications. Here, we review several classes of materials such as…

Optics · Physics 2019-11-07 Mathieu Poulin , Steven Giannacopoulos , Maksim Skorobogatiy

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

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
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