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A high efficiency superconducting nanowire single electron detector

Rosticher, M. and Ladan, F. R. and Maneval, J. P. and Dorenbos, S. N. and Zijlstra, T. and Klapwijk, T. M. and Zwiller, V. and Lupaşcu, A. and Nogues, G. (2010) A high efficiency superconducting nanowire single electron detector. Applied Physics Letters, 97 (18). Art. No. 183106. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:20160311-133030944

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Abstract

We report the detection of single electrons using a Nb_(0.7)Ti_(0.3)N superconducting wire deposited on an oxidized silicon substrate. While it is known that this device is sensitive to single photons, we show that it also detects single electrons with kilo-electron-volt energy emitted from the cathode of a scanning electron microscope with an efficiency approaching unity. The electron and photondetection efficiency map of the same device are in good agreement. We also observe detection events outside the active area of the device, which we attribute to sensitivity to backscattered electrons.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.3506692DOIArticle
http://scitation.aip.org/content/aip/journal/apl/97/18/10.1063/1.3506692PublisherArticle
Additional Information:© 2010 American Institute of Physics. Received 11 July 2010; accepted 5 October 2010; published online 3 November 2010. M.R., F.R.L., J.P.M., A.L., and G.N. thank the Japan Science and Technology Corporation (ICORP: “Quantum Entanglement”) and the Région Ile de France (Cnano IdF project). A.L. acknowledges support from the European Union through a Marie Curie fellowship. S.D. and V.Z. acknowledge NWO for funding. We thank Reinier Heeres for help with the optical measurement. T.M.K. acknowledges NWO for funding through Grant No. 614.061.010.
Group:Keck Institute for Space Studies
Funders:
Funding AgencyGrant Number
Japan Science and Technology CorporationUNSPECIFIED
Région Ile de FranceUNSPECIFIED
Marie Curie FellowshipUNSPECIFIED
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)614.061.010
Record Number:CaltechAUTHORS:20160311-133030944
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160311-133030944
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:65306
Collection:CaltechAUTHORS
Deposited By: Colette Connor
Deposited On:11 Mar 2016 22:13
Last Modified:11 Mar 2016 22:13

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