Semenov, Alexey and Engel, Andreas and Hübers, Heinz-Wilhelm and Il´in, Konstantin and Siegel, Michael (2005) Noise of a superconducting photon detector. IEEE Transactions on Applied Superconductivity, 15 (2), pp. 518-521. DOI: 10.1109/TASC.2005.849893.
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We have studied electrical noise of photon detectors representing long and narrow superconducting strips. For large bias currents close to the critical current fluctuations lead to localized, temporary transitions into the normal conducting state, which can be detected as voltage transients developing between the strip ends. We present models based on fluctuations of the chemical potential and current-assisted thermal-unbinding of vortex-antivortex pairs, which explain the current and temperature-dependence of the detector noise.
|Title:||Noise of a superconducting photon detector|
|Journal or Publication Title:||IEEE Transactions on Applied Superconductivity|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 518-521|
|Keywords:||Electric noise, Fluctuations, Photon detection, Superconducting nanostructures|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||W - Projekt SOFIA (old)|
|Institutes and Institutions:||Institute of Planetary Research > Terahertz and Infrared Sensors|
|Deposited By:||Prof.Dr. Alexey Semenov|
|Deposited On:||11 Dec 2005|
|Last Modified:||27 Apr 2009 04:45|
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