TY  - JOUR
AU  - Korneev, A.
AU  - Kouminov, P.
AU  - Matvienko, V.
AU  - Chulkova, G.
AU  - Smirnov, K.
AU  - Voronov, B.
AU  - Gol'tsman, G. N.
AU  - Currie, M.
AU  - Lo, W.
AU  - Wilsher, K.
AU  - Zhang, J.
AU  - Słysz, W.
AU  - Pearlman, A.
AU  - Verevkin, A.
AU  - Sobolewski, Roman
PY  - 2004
DA  - 2004//
TI  - Sensitivity and gigahertz counting performance of NbN superconducting single-photon detectors
T2  - Appl. Phys. Lett.
JO  - Appl. Phys. Lett.
SP  - 5338
EP  - 5340
VL  - 84
IS  - 26
KW  - SSPD
KW  - NEP
KW  - QE
AB  - We have measured the quantum efficiencysQEd, GHz counting rate, jitter, and noise-equivalentpowersNEPdof nanostructured NbN superconducting single-photon detectorssSSPDsdin thevisible to infrared radiation range. Our 3.5-nm-thick and 100- to 200-nm-wide meander-typedevices(total area 10310mm2), operating at 4.2 K, exhibit an experimental QE of up to 20% inthe visible range and,10% at 1.3 to 1.55mm wavelength and are potentially sensitive up tomidinfrareds,10mmdradiation. The SSPD counting rate was measured to be above 2 GHz withjitter,18 ps, independent of the wavelength. The devices’ NEP varies from,10−17W/Hz1/2for1.55mm photons to,10−20W/Hz1/2for visible radiation. Lowering the SSPD operatingtemperature to 2.3 K significantly enhanced its performance, by increasing the QE to,20% andlowering the NEP level to,3310−22W/Hz1/2, both measured at 1.26mm wavelength.
SN  - 0003-6951
UR  - http://link.aip.org/link/APPLAB/v84/i26/p5338/s1&Agg=doi
UR  - https://doi.org/10.1063/1.1764600
DO  - 10.1063/1.1764600
N1  - exported from refbase (https://db.rplab.ru/refbase/show.php?record=532), last updated on Tue, 18 May 2021 11:39:54 -0500
ID  - Korneev_etal2004
ER  -