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SQUID-Readout for the Superconducting Nanowire Single-Photon Detector

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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Official URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5153009&isnumber=5166641


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
AuthorsInstitution or Email of Authors
Kirste, AlexanderPTB Berlin
Semenov, AlexeiUNSPECIFIED
Hübers, Heinz-WilhelmUNSPECIFIED
Drung, DietmarPhysikalisch- Technische Bundesanstalt
Peters, MargretPhysikalisch- Technische Bundesanstalt
Schurig, ThomasPTB Berlin
Ilin, KonstantinUniversity of Karlsruhe
Siegel, MichaelUniversity of Karlsruhe
Date:June 2009
Journal or Publication Title:IEEE Transactions on Applied Superconductivity
Refereed publication:Yes
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)
Location: Berlin-Adlershof
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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