Research Repository

Broadband antenna-integrated, edge-coupled photomixers for tuneable terahertz sources

Henning, ID and Adams, MJ and Sun, Y and Moodie, DG and Rogers, DC and Cannard, PJ and Dosanjh, SJ and Skuse, M and Firth, RJ (2010) 'Broadband antenna-integrated, edge-coupled photomixers for tuneable terahertz sources.' IEEE Journal of Quantum Electronics, 46 (10). 1498 - 1505. ISSN 0018-9197

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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
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Jim Jamieson
Date Deposited: 07 Feb 2012 16:08
Last Modified: 05 Feb 2019 17:15

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