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Author
Romanov, N. R.
;
Zolotov, P. I.
;
Smirnov, K. V.
Title
Development of disordered ultra-thin superconducting vanadium nitride films
Type
Conference Article
Year
2019
Publication
Proc. 8th Int. Conf. Photonics and Information Optics
Abbreviated Journal
Proc. 8th Int. Conf. Photonics and Information Optics
Volume
Issue
Pages
425-426
Keywords
VN films
Abstract
We present the results of development and research of superconducting vanadium nitride VN films ~10 nm thick having different level of disorder. It is showed that both silicon substrate temperature T sub in process of magnetron sputtering and total gas pressure P affect superconducting transition temperature of sputtered films and R 300 /R 20 ratio defining their level of disorder. VN films suitable for development of superconducting single-photon detectors on their basis are obtained.
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Russian
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
978-5-7262-2536-4
Medium
Area
Expedition
Conference
Notes
http://fioconf.mephi.ru/files/2018/12/FIO2019-Sbornik.pdf
Approved
no
Call Number
Serial
1802
Permanent link to this record
Author
Moshkova, M. A.
;
Divochiy, A. V.
;
Morozov, P. V.
;
Antipov, A. V.
;
Vakhtomin, Yu. B.
;
Smirnov, K. V.
Title
Characterization of topologies of superconducting photon number resolving detectors
Type
Conference Article
Year
2019
Publication
Proc. 8th Int. Conf. Photonics and Information Optics
Abbreviated Journal
Proc. 8th Int. Conf. Photonics and Information Optics
Volume
Issue
Pages
465-466
Keywords
PNR SSPD
Abstract
Comparative analysis for different topologies of superconducting single-photon detectors with ability to resolve up to 4 photons in a short pulse of IR radiation has been carry out. It was developed the detector with a system detection efficiency of ~ 85 % at λ = 1550 nm. The possibility of using such detector to restore photon statistics of a pulsed radiation source was demonstrated.
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Russian
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
978-5-7262-2536-4
Medium
Area
Expedition
Conference
Notes
http://fioconf.mephi.ru/files/2018/12/FIO2019-Sbornik.pdf
Approved
no
Call Number
Serial
1803
Permanent link to this record
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