Semenov, Alexej and Haas, Philipp and Hübers, H.-W. and Ilin, Konstantin and Siegel, Michael and Kirste, Alexander and Drung, Dietmar and Schurig, Thomas and Engel, Andreas (2009) Intrinsic Quantum Efficiency and Electro-Thermal Model of a Superconducting Nanowire Single-Photon Detector. Journal of Modern Optics, 56 (2-3), pp. 345-351. Taylor & Francis. DOI: 10.1080/09500340802578589
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Official URL: http://www.informaworld.com/smpp/title~content=g909146926~db=all?stem=2#messages
Abstract
Superconducting single-photon detectors from thin niobium nitride nanostrips exhibit a cut-off of the wavelength-independent quantum efficiency along with a moderate energy resolution in the near-infrared spectral range. Before the cut-off, the intrinsic quantum efficiency of the detector reaches 30% of the ultimate value, which is physically limited to the absorbance of the detector structure. The intrinsic quantum efficiency is most likely controlled by non-homogeneities of the niobium nitride films. We have developed an electro-thermal model of the detector response that allowed us to optimize the SQUID-based readout and to achieve, in the temperature range from 1 to 6 K, the photon count rate 3x10^7 s^-1 and a dark count rate less than 10^-4 s^-1.
Item URL in elib: | https://elib.dlr.de/60351/ | ||||||||||||||||||||||||||||||
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Document Type: | Article | ||||||||||||||||||||||||||||||
Title: | Intrinsic Quantum Efficiency and Electro-Thermal Model of a Superconducting Nanowire Single-Photon Detector | ||||||||||||||||||||||||||||||
Authors: |
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Date: | January 2009 | ||||||||||||||||||||||||||||||
Journal or Publication Title: | Journal of Modern Optics | ||||||||||||||||||||||||||||||
Refereed publication: | Yes | ||||||||||||||||||||||||||||||
Open Access: | No | ||||||||||||||||||||||||||||||
Gold Open Access: | No | ||||||||||||||||||||||||||||||
In SCOPUS: | Yes | ||||||||||||||||||||||||||||||
In ISI Web of Science: | Yes | ||||||||||||||||||||||||||||||
Volume: | 56 | ||||||||||||||||||||||||||||||
DOI : | 10.1080/09500340802578589 | ||||||||||||||||||||||||||||||
Page Range: | pp. 345-351 | ||||||||||||||||||||||||||||||
Publisher: | Taylor & Francis | ||||||||||||||||||||||||||||||
Status: | Published | ||||||||||||||||||||||||||||||
Keywords: | nanowire single-photon detectors; quantum efficiency; electro-thermal normal domain; SQUID readout | ||||||||||||||||||||||||||||||
HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||||||||
HGF - Program: | Transport | ||||||||||||||||||||||||||||||
HGF - Program Themes: | Traffic Management (old) | ||||||||||||||||||||||||||||||
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: | Semenov, Prof.Dr. Alexey | ||||||||||||||||||||||||||||||
Deposited On: | 02 Nov 2009 13:59 | ||||||||||||||||||||||||||||||
Last Modified: | 26 Feb 2013 15:01 |
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