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  • Design of Sub-THz Traveling Wave Tubes for High Data Rate Long Range Wireless Links

    Rights statement: This is an author-created, un-copyedited version of an article accepted for publication/published in Semiconductor Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi:10.1088/1361-6641/aae859

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    Embargo ends: 30/10/19

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Design of sub-THz traveling wave tubes for high data rate long range wireless links

Research output: Contribution to journalJournal article

Published
Article number124009
<mark>Journal publication date</mark>30/10/2018
<mark>Journal</mark>Semiconductor Science and Technology
Issue number12
Volume33
Number of pages8
Publication statusPublished
Original languageEnglish

Abstract

The development of high capacity wireless networks, to satisfy the increasing demand of mobile high-speed internet, is stimulating the exploitation of the wide frequency bands in the millimeter and THz range. Above 100 GHz, the high atmosphere attenuation is the major obstacle for wireless links of adequate length, due to the low power available from solid state amplifiers. Traveling wave tubes are promising devices capable to generate multi-watt power at sub-THz frequency. In this paper, the design and performance of a Traveling Wave Tube in the 210 – 250 GHz band with about 1W output power will be described, to power a 40 Gigabits per second optical transmitter for 1 km point-to-point link. A novel approach for a simple and low-cost fabrication, based on the use of the double corrugated waveguide is proposed.

Bibliographic note

This is an author-created, un-copyedited version of an article accepted for publication/published in Semiconductor Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi:10.1088/1361-6641/aae859