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Broadband Antenna-Integrated, Edge-Coupled Photomixers for Tuneable Terahertz Sources

Henning, Ian D and Adams, Michael J and Sun, Yun and Moodie, David G and Rogers, Dave C and Cannard, Paul J and Dosanjh, Sukhjiban Jeevan and Skuse, Mark and Firth, Richard J (2010) 'Broadband Antenna-Integrated, Edge-Coupled Photomixers for Tuneable Terahertz Sources.' IEEE Journal of Quantum Electronics, 46 (10). pp. 1498-1505. ISSN 0018-9197

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Abstract

We present design and experimental results on novel antenna-integrated edge-coupled photodiodes, examining particularly their suitability as photomixers for broadband terahertz sources. We show that a simple "stub" detector positioned at the edge of the chip can yield promising overall performance when integrated with a number of different planar antennas specifically designed for this configuration. Using a slot-horn antenna connected via a coplanar line, we measure terahertz emission figures of 100 μW over the range 100-500 GHz, with 50 μW available at 750 GHz. We also present a novel planar double-horn antenna and show that with suitable use of terahertz "optics" this offers broadband through-substrate emission from 200 GHz to over 1 THz, with 10 μW terahertz power emitted at 1.004 THz. © 2010 IEEE.

Item Type: Article
Uncontrolled Keywords: Photodetectors; photomixer; planar antenna; submillimeter-wave generation
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science and Health
Faculty of Science and Health > Computer Science and Electronic Engineering, School of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 07 Feb 2012 16:08
Last Modified: 15 Jan 2022 00:19
URI: http://repository.essex.ac.uk/id/eprint/2205

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