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Related papers: Beam Manipulation for Terahertz Communications: A …

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Terahertz (THz) wireless communications have the potential to realize ultra-high-speed and secure data transfer with miniaturized devices for unmanned aerial vehicle (UAV) communications. Existing THz channel models for aerial scenarios…

Signal Processing · Electrical Eng. & Systems 2023-05-16 Weijun Gao , Chong Han , Zhi Chen

Millimeter-wave (mmWave) and terahertz (THz) communication systems require large antenna arrays and use narrow directive beams to ensure sufficient receive signal power. However, selecting the optimal beams for these large antenna arrays…

Information Theory · Computer Science 2024-02-23 Shoaib Imran , Gouranga Charan , Ahmed Alkhateeb

The combination of Terahertz (THz) and massive multiple-input multiple-output (MIMO) is promising to meet the increasing data rate demand of future wireless communication systems thanks to the huge bandwidth and spatial degrees of freedom.…

Information Theory · Computer Science 2024-08-14 Jiabao Gao , Xiaoming Cheng , Geoffrey Ye Li

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

The promising way to provide sufficient transmission capacity is by accessing transmission bands at higher carrier frequencies. This desire for higher carrier frequency or more bandwidth led the researchers to take advantage of the…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Sasmita Dash , Amalendu Patnaik

A 2-D spatio-temporal analysis of terahertz generation by optical rectification of tilted-pulse-fronts is presented. Closed form expressions of terahertz transients and spectra in two spatial dimensions are furnished in the undepleted…

Optics · Physics 2019-02-04 Koustuban Ravi , Franz X. Kärtner

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future sixth generation (6G) wireless communication systems scaled up beyond massive multiple input multiple output…

Signal Processing · Electrical Eng. & Systems 2022-06-23 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang , Merouane Debbah

The terahertz (THz) frequency range (0.1-10 THz) fills the gap between the microwave and optical parts of the electromagnetic spectrum. Recent progress in the generation and detection of the THz radiation has made it a powerful tool for…

Flexible manipulation of terahertz-wave polarization during the generation process is very important for terahertz applications, especially for the next-generation on-chip functional terahertz sources. However, current terahertz emitters…

Manipulating the frequency and bandwidth of light is crucial in classical and quantum applications including communication, spectroscopy, imaging, and signal processing. Such capabilities also offer potential for interfacing disparate…

The use of sub-Terahertz (sub-THz) band is gaining considerable attention in 6G networks. In this study, we introduce hardware and propagation integrated 3D Propagation Model to describe sub-THz channels and discuss its advantages over both…

Signal Processing · Electrical Eng. & Systems 2024-03-29 Eray Guven , Gunes Karabulut Kurt

Due to the unique channel characteristics of Terahertz (THz), comprehensive propagation channel modeling is essential to understand the spectrum and develop reliable communication systems in these bands. In this work, we propose the…

Signal Processing · Electrical Eng. & Systems 2023-06-16 Erhan Karakoca , Güneş Karabulut Kurt , Ali Görçin

Beam split is a critical challenge in wideband THz massive MIMO systems, arising from frequency-dependent beam misalignment that degrades communication performance, particularly in scenarios with narrow beamwidths and large arrays. This…

Information Theory · Computer Science 2025-03-26 Ibrahim Yildirim , Tho Le-Ngoc

Sub-THz bands are promising high bandwidth and data rates, and in the recent years the device technologies made large progress and provided a multitude of transceiver, power amplifier (PA) and phased array devices supporting the frequency…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Hardy Halbauer , Le Hang Nguyen , Thorsten Wild

Terahertz (THz) communications will be pivotal in sixth-generation (6G) wireless networks, offering significantly wider bandwidths and higher data rates. However, the unique propagation characteristics of the THz frequency band, such as…

Networking and Internet Architecture · Computer Science 2024-09-17 Waqas Khalid , Heejung Yu , Farman Ali , Huiping Huang

The ever-growing demand for ultra-high data rates, massive connectivity, and joint communication-sensing capabilities in future wireless networks is driving research into sub-terahertz (sub-THz) communications. While these frequency bands…

Phase modulation plays a crucial role in various terahertz applications, including biomedical imaging, high-rate communication, and radar detection. Existing terahertz phase shifters typically rely on tuning the resonant effect of…

Optics · Physics 2023-05-19 Xudong Liu , Daosong Yu , Chuanfu Sun , Zhijie Mei , Hao Chen , Jianbin Xu , Yiwen Sun

The ability to manipulate the frequency of light is of great importance in both fundamental quantum sciences and practical applications. Traditional method for frequency conversion relies on nonlinear optical processes, which are faced with…

Terahertz (THz) band (0.1-10 THz) possesses multi-gigahertz continuous bandwidth resources, making it a promising frequency band for high-speed wireless communications and environment sensing. The interaction between the THz wave and the…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Weijun Gao , Chong Han

Terahertz lies at the juncture between RF and optical electromagnetism, serving as a transition from mm-Wave to infrared photonics. Terahertz technology has been used for industrial quality control, security imaging, and high-speed…

Mesoscale and Nanoscale Physics · Physics 2024-07-29 Boxun Yan , Bundel Pooja , Chi-Hou Chan , Mau-Chung Frank Chang