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Spectral performance of a single-photon detector

Semenov, Alexey and Engel, Andreas and Hübers, Heinz-WIlhelm and Il´in, Konstantin and Siegel, Michael (2005) Spectral performance of a single-photon detector. In: Kryoelektronische Bauelemente, p. 59. KRYO 2005, 2005-10-09 - 2005-10-11, Bad Herrenalb.

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We have experimentally studied the supercurrent-assisted formation of the resistive state in nano-structured disordered superconducting Nb(N) films after absorption of a single optical to near-infrared photon. The efficiency of the resistive state formation has a pronounced spectral cut-off; corresponding threshold photon energy decreases with the bias current. Analysis of the experimental data in the framework of the refined hot-spot model suggests that the quantum yield for near-infrared photons increases with the photon energy. Relaxation of the resistive state depends on the photon energy making the phenomena feasible for the development of energy resolving single-photon detectors.

Item URL in elib:https://elib.dlr.de/20183/
Document Type:Conference or Workshop Item (Poster)
Title:Spectral performance of a single-photon detector
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Engel, AndreasPhysik-Institut der Universität ZürichUNSPECIFIED
Il´in, KonstantinInstitut für Mikro- und Nanoelektronische Systeme, Universität KarlsruheUNSPECIFIED
Siegel, MichaelInstitut für Mikro- und Nanoelektronische Systeme, Universität KarlsruheUNSPECIFIED
Journal or Publication Title:Kryoelektronische Bauelemente
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:p. 59
EditorsEmailEditor's ORCID iD
Institut für Mikro- und Nanoelektronische Systeme, Universität Karlsruhe, UNSPECIFIEDUNSPECIFIED
Keywords:Einzelphotonendetektor, Supraleitung, Nahes Infrarot
Event Title:KRYO 2005
Event Location:Bad Herrenalb
Event Type:national Conference
Event Dates:2005-10-09 - 2005-10-11
Organizer:Universität Karlsruhe
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)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Terahertz and Infrared Sensors
Deposited By: Semenov, Prof.Dr. Alexey
Deposited On:11 Dec 2005
Last Modified:27 Apr 2009 04:45

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