Abstract
This paper presents the results of the first experiments demonstrating the possibility of wireless data transmission using a subterahertz band gyrotron signal as a carrier. The output power of the subterahertz gyrotron was modulated by a rapid change in the potential of the currentless anode. The resulting amplitude modulated (AM) signal with the medium power of about 50 W was received by the ultrafast THz detector. Successful transmission of an analog sound signal and transmission of a digital signal at a rate up to 1.5 Mbps over a distance of about 2 m was demonstrated. The investigated approach confirms its potential for data transmission using gyrotron in any frequency band without loss of generality.
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Acknowledgments
The authors are grateful to Dr. Mikhail Yu. Glyavin (IAP RAS) for valuable discussions and for his help in preparing this article and to Dr. Boris Z. Movshevich (IAP RAS) for development of the fast high voltage control unit.
Funding
The work was supported by IAP RAS project 0035-2019-0001.
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Tsvetkov, A.I., Fokin, A.P. & Sedov, A.S. First Experiments on Data Transmission Using a Sub-THz Gyrotron. J Infrared Milli Terahz Waves 40, 696–702 (2019). https://doi.org/10.1007/s10762-019-00595-z
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DOI: https://doi.org/10.1007/s10762-019-00595-z