Diamond heat sinking of terahertz antennas for continuous-wave photomixing

T. Ackemann; M. Alduraibi; S. Campbell; S. Keatings; P. Luke Sam; H. Fraser; A. S. Arnold; E. Riis; M. Missous

doi:10.1063/1.4770460

Diamond heat sinking of terahertz antennas for continuous-wave photomixing

T. Ackemann, M. Alduraibi, S. Campbell, S. Keatings, P. Luke Sam, H. Fraser, A. S. Arnold, E. Riis, M. Missous

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

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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 0.75W (average). The electrical and terahertz characteristics are analyzed.

Original language	English
Article number	123109
Number of pages	6
Journal	Journal of Applied Physics
Volume	112
Issue number	12
DOIs	https://doi.org/10.1063/1.4770460
Publication status	Published - 15 Dec 2012

Keywords

antennas
diamond
electrodes
gallium arsenide
heat sinks
thermal conductivity

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10.1063/1.4770460

JApplPhys 112 123109Final published version, 891 KB

Cite this

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title = "Diamond heat sinking of terahertz antennas for continuous-wave photomixing",

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 0.75W (average). The electrical and terahertz characteristics are analyzed.",

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AU - Ackemann, T.

AU - Alduraibi, M.

AU - Campbell, S.

AU - Keatings, S.

AU - Sam, P. Luke

AU - Fraser, H.

AU - Arnold, A. S.

AU - Riis, E.

AU - Missous, M.

PY - 2012/12/15

Y1 - 2012/12/15

N2 - 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 0.75W (average). The electrical and terahertz characteristics are analyzed.

AB - 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 0.75W (average). The electrical and terahertz characteristics are analyzed.

KW - antennas

KW - diamond

KW - electrodes

KW - gallium arsenide

KW - heat sinks

KW - thermal conductivity

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JO - Journal of Applied Physics

JF - Journal of Applied Physics

SN - 0021-8979

IS - 12

M1 - 123109

ER -

Diamond heat sinking of terahertz antennas for continuous-wave photomixing

Abstract

Keywords

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High power Terahertz generation enabled by improved heat sinking

High-power cw Terahertz radiation by photomixing

Cite this

Diamond heat sinking of terahertz antennas for continuous-wave photomixing

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Projects

High power Terahertz generation enabled by improved heat sinking

High-power cw Terahertz radiation by photomixing

Cite this