TY  - JOUR
AU  - Korneeva, Y. P.
AU  - Vodolazov, D. Y.
AU  - Semenov, A. V.
AU  - Florya, I. N.
AU  - Simonov, N.
AU  - Baeva, E.
AU  - Korneev, A. A.
AU  - Goltsman, G. N.
AU  - Klapwijk, T. M.
PY  - 2018
DA  - 2018//
TI  - Optical single-photon detection in micrometer-scale NbN bridges
T2  - Phys. Rev. Applied
JO  - Phys. Rev. Applied
SP  - 064037 (1 to 13)
VL  - 9
IS  - 6
KW  - NbN SSPD
KW  - SNSPD
AB  - We demonstrate experimentally that single-photon detection can be achieved in micrometer-wide NbN bridges, with widths ranging from 0.53 to 5.15  μm and for photon wavelengths of 408 to 1550 nm. The microbridges are biased with a dc current close to the experimental critical current, which is estimated to be about 50% of the theoretically expected depairing current. These results offer an alternative to the standard superconducting single-photon detectors, based on nanometer-scale nanowires implemented in a long meandering structure. The results are consistent with improved theoretical modeling based on the theory of nonequilibrium superconductivity, including the vortex-assisted mechanism of initial dissipation.
SN  - 2331-7019
UR  - https://link.aps.org/doi/10.1103/PhysRevApplied.9.064037
UR  - https://doi.org/10.1103/PhysRevApplied.9.064037
DO  - 10.1103/PhysRevApplied.9.064037
N1  - exported from refbase (https://db.rplab.ru/refbase/show.php?record=1303), last updated on Sun, 09 May 2021 18:13:31 -0500
ID  - Korneeva_etal2018
ER  -