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题名: Theoretical simulation of the mixing performance of distributed superconducting tunnel junction arrays at 1.2 THz
作者: Shi ShengCai(史生才); Shan, Wen-Lei; Li Jing(李婧)
刊名: IEICE TRANSACTIONS ON ELECTRONICS
出版日期: 2007-03-01
卷号: E90C, 期号:3, 页码:556-565
关键词: SIS ; Nb ; NbN ; NbTiN ; distributed junction
DOI: 10.1093/ietele/e90-c.3.556
文章类型: Article
英文摘要: In this paper we focus on the numerical simulation of the mixing behaviors of distributed superconducting junction arrays at 1.2 THz. A novel type of superconducting tunnel junctions, i.e., NbN/AlN/Nb, which have a relatively high gap voltage (4.3 mV) and can reach a critical current density as high as several tens of kA/cm(2), are proposed for this characterization along with conventional Nb/AlOx/Nb junctions. The former is incorporated with a NbN/SiO2/Al tuning circuit, and the latter with a Nb/SiO2/Al and a NbTiN/SiO2/Al tuning circuits. The noise performance, local-oscillator power requirement, IF bandwidth, and optimum embedding impedance are thoroughly characterized for the two types of distributed superconducting junction arrays.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Electrical & Electronic
研究领域[WOS]: Engineering
关键词[WOS]: SIS MIXER ; TUNING CIRCUIT ; WAVE ; LINES ; GHZ
收录类别: SCI
语种: 英语
WOS记录号: WOS:000245194400003
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15881
Appears in Collections:毫米波和亚毫米波技术实验室_期刊论文

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作者单位: 1.CAS, Natl Astron Observ China, Purple Mt Observ, Nanjing 210008, Peoples R China
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