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Author
Divochiy, A.
;
Misiaszek, M.
;
Vakhtomin, Y.
;
Morozov, P.
;
Smirnov, K.
;
Zolotov, P.
;
Kolenderski, P.
Title
Single photon detection system for visible and infrared spectrum range
Type
Journal Article
Year
2018
Publication
Opt. Lett.
Abbreviated Journal
Opt. Lett.
Volume
43
Issue
24
Pages
6085-6088
Keywords
Abstract
We demonstrate niobium nitride based superconducting single-photon detectors sensitive in the spectral range 452-2300 nm. The system performance was tested in a real-life experiment with correlated photons generated by means of spontaneous parametric downconversion, where one photon was in the visible range and the other was in the infrared range. We measured a signal to noise ratio as high as 4x10(4) in our detection setting. A photon detection efficiency as high as 64% at 1550 nm and 15% at 2300 nm was observed.
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English
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0146-9592
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Notes
https://arxiv.org/abs/1807.04273
Approved
no
Call Number
Serial
1227
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