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Ackemann, T.; Alduraibi, M.; Campbell, S.; Keatings, S.; Luke Sam, P.; Fraser, H.; Arnold, A. S.; Riis, E. and Missous, M.
(2012).
DOI: https://doi.org/10.1063/1.4770460
Abstract
The generation of cw Terahertz radiation from photomixing in low-temperature grown GaAs is limited by the thermal load for single emitters. We propose a new heat sinking scheme based on high thermal conductivity, transparent crystalline heat spreaders as diamond in direct contact with the active zone. A first working device based on recessed electrodes is demonstrated and has a significant power dissipation capability of more than 0.75 W (average). The electrical and terahertz characteristics are analyzed.
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About
- Item ORO ID
- 37452
- Item Type
- Journal Item
- ISSN
- 0021-8979
- Extra Information
- This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
- Keywords
- antennas; diamond; electrodes; gallium arsenide; heat sinks; microwave photonics; photoconducting devices; terahertz waves; thermal conductivity; radiowave and microwave technology; antennas: theory, components and accessories; optoelectronic devices
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM) - Copyright Holders
- © 2012 American Institute of Physics
- Depositing User
- Helen Fraser