Novel voltage-tunable far-infrared and terahertz detector based on a quantum ballistic channel

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DOIResolve DOI: http://doi.org/10.1088/0268-1242/10/8/015
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TypeArticle
Journal titleSemiconductor Science and Technology
ISSN0268-1242
Volume10
Issue8
Pages11391144; # of pages: 6
AbstractWe explore the possibility of far-infrared and terahertz photovoltaic detection based on a quantum ballistic channel with an abrupt narrow end. By calculating the photoinduced intersubband transition in the channel and the transfer efficiency of electrons over the narrow end, we propose an optimized split-gate structure with maximum electron transfer efficiency. The detector responsivity, operating temperature for background-limited performance and noise equivalent power are evaluated. These detectors may be used in applications such as spectroscopy, infrared astronomy and space and environmental sensing.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedYes
Identifier10401556
NPARC number12339104
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Record identifier2fa56007-663d-4e8b-accb-fc9b27049084
Record created2009-09-11
Record modified2016-05-09
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