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Non-uniform absorption of terahertz radiation on superconducting hot electron bolometer microbridges
Miao, W.1; Zhang, W.1; Zhong, J. Q.1; Shi, S. C.1; Delorme, Y.2; Lefevre, R.2; Feret, A.2; Vacelet, T.2
2014-02-03
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume104Issue:5Pages:0
AbstractWe interpret the experimental observation of a frequency-dependence of superconducting hot electron bolometer (HEB) mixers by taking into account the non-uniform absorption of the terahertz radiation on the superconducting HEB microbridge. The radiation absorption is assumed to be proportional to the local surface resistance of the HEB microbridge, which is computed using the Mattis-Bardeen theory. With this assumption the dc and mixing characteristics of a superconducting niobium-nitride (NbN) HEB device have been modeled at frequencies below and above the equilibrium gap frequency of the NbN film. (C) 2014 AIP Publishing LLC.
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1063/1.4864763
WOS KeywordCONVERSION GAIN ; HEB MIXER ; NOISE
URL查看原文
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000331644100087
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10583
Collection毫米波和亚毫米波技术实验室
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Observ Paris, F-75014 Paris, France
Recommended Citation
GB/T 7714
Miao, W.,Zhang, W.,Zhong, J. Q.,et al. Non-uniform absorption of terahertz radiation on superconducting hot electron bolometer microbridges[J]. APPLIED PHYSICS LETTERS,2014,104(5):0.
APA Miao, W..,Zhang, W..,Zhong, J. Q..,Shi, S. C..,Delorme, Y..,...&Vacelet, T..(2014).Non-uniform absorption of terahertz radiation on superconducting hot electron bolometer microbridges.APPLIED PHYSICS LETTERS,104(5),0.
MLA Miao, W.,et al."Non-uniform absorption of terahertz radiation on superconducting hot electron bolometer microbridges".APPLIED PHYSICS LETTERS 104.5(2014):0.
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