Progress in compact room temperature THz radiation sources

Ross Leyman; Natalia Bazieva; Tomasz Kruczek; Grigorii S. Sokolovskii; Edik U. Rafailov

doi:10.2174/2210686311202010012

Progress in compact room temperature THz radiation sources

Ross Leyman, Natalia Bazieva, Tomasz Kruczek, Grigorii S. Sokolovskii, Edik U. Rafailov

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Abstract

There is currently a great deal of interest in the development of efficient compact sources of terahertz (THz) radiation. There are many factors of device and materials design which are still under ongoing improvement with the aim of producing an efficient, high power, room-temperature THz signal emission device which is tunable over a practical THz frequency range. The recent advances in production of various room-temperature THz radiation sources are reviewed with particular emphasis on photomixer antenna devices, and recent patents on technology and methods relating to: pulsed and continuous wave (CW) THz generation via nonlinear crystals; quantum cascade lasers (QCLs); ultrafast diodes and photodiodes; and heterodyne sources are discussed.

Original language	English
Pages (from-to)	12-22
Number of pages	11
Journal	Recent Patents on Signal Processing
Volume	2
Issue number	1
DOIs	https://doi.org/10.2174/2210686311202010012
Publication status	Published - 2012
Externally published	Yes

Keywords

optoelectronic systems
nonlinear crystal
photomixers
quantum dot
quantum cascade laser
resonant tunnelling diode
semiconductor lasers
THz radiation
ultrashort pulse
uni-travelling-carrier photodiode
terahertz gap
T-ray imaging
THz signals
THz frequency
photodiodes

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10.2174/2210686311202010012

Leyman-etal-RPSP-2011-Progress-in-compact-room-temperatureAccepted author manuscript, 616 KB

Cite this

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AU - Rafailov, Edik U.

PY - 2012

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KW - semiconductor lasers

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KW - ultrashort pulse

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KW - photodiodes

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Progress in compact room temperature THz radiation sources

Abstract

Keywords

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