Kirste, Alexander and Semenov, Alexei and Hübers, Heinz-Wilhelm and Drung, Dietmar and Peters, Margret and Schurig, Thomas and Ilin, Konstantin and Siegel, Michael (2009) SQUID-Readout for the Superconducting Nanowire Single-Photon Detector. In: IEEE Transactions on Applied Superconductivity, 19 (3), pp. 313-317. IEEE. ASC 2008, 17 August - 22 August 2008 , Chicago, Illinois USA .
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Superconducting single-photon detectors from thin niobium nitride nanostrips exhibit a near-infrared cut-off of the wavelength-independent quantum efficiency along with a moderate energy resolution in the wavelength range around the cut-off. For the wavelength range before the cut-off, we have developed the electro-thermal model that describes the initial growth, diminution and disappearance of the normal domain created by a photon in the superconducting nanostrip. The response parameters extracted from the model fit were used to optimize the signal-to-noise ratio of the SQUID-based readout and to achieve in the temperature range from 1 to 4 K a photon counting frequency of 20 MHz and a dark count rate less than four in one hour.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||SQUID-Readout for the Superconducting Nanowire Single-Photon Detector|
|Journal or Publication Title:||IEEE Transactions on Applied Superconductivity|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 313-317|
|Keywords:||Photon detection, SQUID readout, superconducting nanostructures.|
|Event Title:||ASC 2008|
|Event Location:||Chicago, Illinois USA|
|Event Type:||international Conference|
|Event Dates:||17 August - 22 August 2008|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Transport|
|HGF - Program Themes:||Traffic Management|
|DLR - Research area:||Transport|
|DLR - Program:||V VM - Verkehrsmanagement|
|DLR - Research theme (Project):||V - FAMOUS (old)|
|Institutes and Institutions:||Institute of Planetary Research > Terahertz and Infrared Sensors|
|Deposited By:||Prof.Dr. Alexey Semenov|
|Deposited On:||03 Nov 2009 15:04|
|Last Modified:||12 Feb 2010 11:33|
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