期刊
IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY
卷 4, 期 3, 页码 328-337出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TTHZ.2014.2309006
关键词
Photomixers; terahertz (THz) communications; unitraveling carrier photo-diode (UTC-PD)
资金
- WITH ANR/JST franco-japanese project
- quipex FLUX of IRCICA/IEMN laboratory
- Ministry of Higher Education and Research, Nord-Pas de Calais Regional Council
- FEDER through the Contrat de Projets Etat Region Campus Intelligente Ambiante (CPER-CIA)
Free space communications with huge data capacity have become a key point for the development of mobile access, services, and network technologies convergence. Wireless links using emerging terahertz technologies, also referred to as T-ray communications, have become an intensive research field within last years since T-rays at the millimeter/submillimeter frontier remain more robust in terms of scintillation, dielectric obstacles, and fog compared with near-infrared signals. Using a passive THz hot-spot which can be fed by fiber optic networks, we investigate up bit rates up to 46 Gbps for a THz wireless transmission system at 400-GHz carrier frequency. Using a THz photomixer integrated with a specific broadband antenna and heterodyne electronic detection, we investigate the eye diagrams using 1-W received power, highlighting the high sensitivity and ultra-wideband behavior of the whole THz system.
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