Broadband Terahertz Devices and Communication Technologies

Dear Colleagues,

The remarkable explosion of wireless devices and bandwidth-consuming Internet applications has boosted the demand for ultra-high data rate wireless communications. The wireless traffic volume is foreseen to be sufficient to match or even surpass wired services by 2030, and the high-precision wireless services will need to be guaranteed with a peak data rate of well beyond 100 Gbit/s, eventually 1 Tbit/s. To meet the exponentially increasing traffic demand, new regions in the radio spectrum are explored. The terahertz band (0.1 THz-10 THz), sandwiched between microwave frequencies and optical frequencies, is considered as a next breakthrough-point to revolutionize the communication technology attributed to its rich spectrum resources. It is recognized as a promising candidate for future rate-greedy applications, such as 6G communications. In the World Radio Communication Conferences 2019, the identification of frequency bands in the frequency range 275 GHz–450 GHz is permitted for the use of land-mobile and fixed services applications, indicating the potential standardization of the low-frequency window of the terahertz band for near-future wireless communications.

Motivated by the potential of the terahertz wireless communications, this Special Issue seeks critical technology breakthroughs in terms of the terahertz communications. The Special Issue topics include, but are not limited to, broadband terahertz devices, terahertz frontend and antenna design, baseband processing for THz links, terahertz propagation and channel modelling, system-level demonstration of terahertz communications.

Dr. Lu Zhang
Dr. Xiaodan Pang
Dr. Prakash Pitchappa
Guest Editors

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