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题名: Demonstration of a fully integrated superconducting receiver with a 2.7 THz quantum cascade laser
作者: Miao, Wei1, 2; Lou Zheng(娄铮)1, 2; Xu, Gang-Yi3; Hu, Jie1, 2; Li, Shao-Liang1, 2; Zhang Wen(张文)1, 2; Zhou, Kang-Min1, 2; Yao QiJun(姚骑均)1, 2; Zhang Kun(张坤)1, 2; Duan WenYing(段文英)1, 2; Shi ShengCai(史生才)1, 2; Colombelli, Raffaele4; Beere, Harvey E.5; Ritchie, David A.5
刊名: OPTICS EXPRESS
出版日期: 2015-02-23
卷号: 23, 期号:4, 页码:4453-4458
学科分类: 天文和天体物理
DOI: 10.1364/OE.23.004453
文章类型: Article
英文摘要: We demonstrate for the first time the integration of a superconducting hot electron bolometer (HEB) mixer and a quantum cascade laser (QCL) on the same 4-K stage of a single cryostat, which is of particular interest for terahertz (THz) HEB/QCL integrated heterodyne receivers for practical applications. Two key issues are addressed. Firstly, a low power consumption QCL is adopted for preventing its heat dissipation from destroying the HEB's superconductivity. Secondly, a simple spherical lens located on the same 4-K stage is introduced to optimize the coupling between the HEB and the QCL, which has relatively limited output power owing to low input direct current (DC) power. Note that simulation techniques are used to design the HEB/QCL integrated heterodyne receiver to avoid the need for mechanical tuning. The integrated HEB/QCL receiver shows an uncorrected noise temperature of 1500 K at 2.7 THz, which is better than the performance of the same receiver with all the components not integrated. (C) 2015 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: HETERODYNE RECEIVER ; BOLOMETER
收录类别: SCI
所属项目名称: PMO_LIB-IR
语种: 英语
WOS记录号: WOS:000350872700060
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/14808
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.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Tech Phys, Key Lab Infrared Imaging Mat & Detectors, Shanghai 200083, Peoples R China
4.Univ Paris 11, CNRS, UMR8622, Inst Elect Fondamentale, F-91405 Orsay, France
5.Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
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