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Characterization of the IF Bandwidth of an All-NbN Superconductor-Insulator-Superconductor Mixer
Liu, D.1,2,3; Li, J.1,2; Wang, Z.1,2; Yao, M.3; Hu, J.3; Shi, S. C.1,2
2013-06-01
Source PublicationIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume23Issue:3
AbstractLarge intermediate-frequency (IF) bandwidth is of particular interest for heterodyne mixers, especially for those at THz frequencies. NbN superconductor-insulator-superconductor (SIS) junctions, with a gap frequency twice that of Nb, can be applied to mixers beyond 1 THz. The IF bandwidth of NbN SIS mixers, however, is yet to be fully understood. In this paper, we investigate the IF bandwidth of a 0.5 THz all-NbN SIS mixer. First, its IF bandwidth is numerically simulated in terms of the mixer conversion efficiency and time constant. Second, the mixer noise performance is experimentally characterized in the IF band of 0.5 similar to 12 GHz. Detailed theoretical simulation and experimental results will be presented.
KeywordIntermediate-frequency (If) Bandwidth Submillimeter Superconducting Superconductor-insulator-superconductor (Sis) Mixer Tunneling Junction
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1109/TASC.2012.2237493
WOS KeywordNOISE ; RECEIVERS
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Physics, Applied
WOS IDWOS:000318867100012
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15518
Collection毫米波和亚毫米波技术实验室
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Key Lab Radio Astron, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 10040, Peoples R China
Recommended Citation
GB/T 7714
Liu, D.,Li, J.,Wang, Z.,et al. Characterization of the IF Bandwidth of an All-NbN Superconductor-Insulator-Superconductor Mixer[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2013,23(3).
APA Liu, D.,Li, J.,Wang, Z.,Yao, M.,Hu, J.,&Shi, S. C..(2013).Characterization of the IF Bandwidth of an All-NbN Superconductor-Insulator-Superconductor Mixer.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,23(3).
MLA Liu, D.,et al."Characterization of the IF Bandwidth of an All-NbN Superconductor-Insulator-Superconductor Mixer".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 23.3(2013).
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