Beyond 100 Gb/s Optoelectronic Terahertz Communications: Key Technologies and Directions

Lu Zhang, Xiaodan Pang, Shi Jia, Shiwei Wang, Xianbin Yu

Research output: Contribution to journalJournal articleResearchpeer-review


The terahertz band (0.1 THz-10 THz) with massive spectrum resources is recognized as a promising candidate for future rate-greedy applications, such as 6G communications. Optoelectronic terahertz communications are beneficial for realizing 100 Gb/s data rate and beyond, which have greatly promoted the progress of the 6G research. In this article, we give technical insight into the key technologies of optoelectronic terahertz communications with high data rates in the physical layer, including approaches of broadband devices, baseband signal processing technologies, and design of advanced transmission system architectures. A multicarrier signal processing routine with high noise tolerance is proposed and experimentally verified in a 500 Gb/s net rate terahertz communication system. Finally, we discuss the future directions of optoelectronic terahertz technologies toward the target of terabit- scale communications.
Original languageEnglish
Article number9269932
JournalIEEE Communications Magazine
Issue number11
Number of pages7
Publication statusPublished - 2020


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