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Characterization of the if bandwidth of an All-NbN superconductor- insulator-superconductor mixer
Hu.J., Li.J., Liu.D., Shi.S.C., Wang.Z., Yao.M.
2013
Source PublicationIEEE Transactions on Applied Superconductivity
ISSN1051-8223
Volume23Issue:3Pages:1400504
Corresponding AuthorLiu, D.
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 \sim 12 GHz. Detailed theoretical simulation and experimental results will be presented. 2002-2011 IEEE.
Subject AreaEngineering ; Physics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9799
Collection毫米波和亚毫米波技术实验室
Recommended Citation
GB/T 7714
Hu.J., Li.J., Liu.D., Shi.S.C., Wang.Z., Yao.M.. Characterization of the if bandwidth of an All-NbN superconductor- insulator-superconductor mixer[J]. IEEE Transactions on Applied Superconductivity,2013,23(3):1400504.
APA Hu.J., Li.J., Liu.D., Shi.S.C., Wang.Z., Yao.M..(2013).Characterization of the if bandwidth of an All-NbN superconductor- insulator-superconductor mixer.IEEE Transactions on Applied Superconductivity,23(3),1400504.
MLA Hu.J., Li.J., Liu.D., Shi.S.C., Wang.Z., Yao.M.."Characterization of the if bandwidth of an All-NbN superconductor- insulator-superconductor mixer".IEEE Transactions on Applied Superconductivity 23.3(2013):1400504.
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