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Antenna integrated THz uni-travelling carrier photodiodes (Invited Paper)

Renaud, CC; Natrella, M; Graham, C; Seddon, J; Van Dijk, F; Seeds, AJ; (2017) Antenna integrated THz uni-travelling carrier photodiodes (Invited Paper). IEEE Journal of Selected Topics in Quantum Electronics , PP (99) 10.1109/JSTQE.2017.2725444. Green open access

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Abstract

High speed photodiodes are a key element of numerous photonic systems. With the development of potential applications in the THz range such as sensing, spectroscopy and wireless transmission, devices with integrated antenna covering the frequency range from 0.1 THz to 3 THz will become essential. In this paper we discuss the development of uni-travelling carrier photodiodes with integrated antennas to address that need. In particular we develop the key elements to present a simple design tool for the efficient integration of the device with an antenna. We also present fabricated device results that show the highest figure of merit to date for photonic THz emitters. When integrated with well-matched antennas the devices have achieved record level of power up to 1 THz compared to other published photomixers.

Type: Article
Title: Antenna integrated THz uni-travelling carrier photodiodes (Invited Paper)
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/JSTQE.2017.2725444
Publisher version: http://doi.org/10.1109/JSTQE.2017.2725444
Language: English
Additional information: Copyright © Authors 2017. This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/.
Keywords: THz Photomixers, THz Antennas, UTCPhotodiodes, Terahertz radiation
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1565397
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