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Sclafani, M.; Marksteiner, M.; Keir, F. M. L.; Divochiy, A.; Korneev, A.; Semenov, A.; Gol'tsman, G.; Arndt, M. |
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Title |
Sensitivity of a superconducting nanowire detector for single ions at low energy |
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Journal Article |
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Year |
2012 |
Publication |
Nanotechnol. |
Abbreviated Journal |
Nanotechnol. |
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Volume |
23 |
Issue |
6 |
Pages |
065501 (1 to 5) |
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Keywords |
NbN SSPD, SNSPD, superconducting single ion detector, SSID, SNSID |
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Abstract |
We report on the characterization of a superconducting nanowire detector for ions at low kinetic energies. We measure the absolute single-particle detection efficiency eta and trace its increase with energy up to eta = 100%. We discuss the influence of noble gas adsorbates on the cryogenic surface and analyze their relevance for the detection of slow massive particles. We apply a recent model for the hot-spot formation to the incidence of atomic ions at energies between 0.2 and 1 keV. We suggest how the differences observed for photons and atoms or molecules can be related to the surface condition of the detector and we propose that the restoration of proper surface conditions may open a new avenue for SSPD-based optical spectroscopy on molecules and nanoparticles. |
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Vienna Center for Quantum Science and Technology, Faculty of Physics, University of Vienna, Vienna, Austria |
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0957-4484 |
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PMID:22248823 |
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1380 |
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Author |
Marksteiner, M.; Divochiy, A.; Sclafani, M.; Haslinger, P.; Ulbricht, H.; Korneev, A.; Semenov, A.; Gol'tsman, G.; Arndt, M. |
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Title |
A superconducting NbN detector for neutral nanoparticles |
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Journal Article |
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Year |
2009 |
Publication |
Nanotechnol. |
Abbreviated Journal |
Nanotechnol. |
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Volume |
20 |
Issue |
45 |
Pages |
455501 |
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Keywords |
SSPD; SNSPD; *Electric Conductivity; Microscopy, Electron, Scanning; Nanoparticles/*chemistry/ultrastructure; Nanotechnology/*methods; *Photons |
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Abstract |
We present a proof-of-principle study of superconducting single photon detectors (SSPD) for the detection of individual neutral molecules/nanoparticles at low energies. The new detector is applied to characterize a laser desorption source for biomolecules and allows retrieval of the arrival time distribution of a pulsed molecular beam containing the amino acid tryptophan, the polypeptide gramicidin as well as insulin, myoglobin and hemoglobin. We discuss the experimental evidence that the detector is actually sensitive to isolated neutral particles. |
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University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria. markus.arndt@univie.ac.at |
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0957-4484 |
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PMID:19822928 |
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1239 |
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Divochiy, A.; Misiaszek, M.; Vakhtomin, Y.; Morozov, P.; Smirnov, K.; Zolotov, P.; Kolenderski, P. |
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Title |
Single photon detection system for visible and infrared spectrum range |
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Journal Article |
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2018 |
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Opt. Lett. |
Abbreviated Journal |
Opt. Lett. |
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Volume |
43 |
Issue |
24 |
Pages |
6085-6088 |
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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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0146-9592 |
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https://arxiv.org/abs/1807.04273 |
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1227 |
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Moshkova, M. A.; Divochiy, A. V.; Morozov, P. V.; Antipov, A. V.; Vakhtomin, Yu. B.; Smirnov, K. V. |
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Title |
Characterization of topologies of superconducting photon number resolving detectors |
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Conference Article |
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2019 |
Publication |
Proc. 8th Int. Conf. Photonics and Information Optics |
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Proc. 8th Int. Conf. Photonics and Information Optics |
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465-466 |
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Keywords |
PNR SSPD |
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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. |
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978-5-7262-2536-4 |
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http://fioconf.mephi.ru/files/2018/12/FIO2019-Sbornik.pdf |
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1803 |
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Zolotov, P. I.; Vakhtomin, Yu. B.; Divochiy, A. V.; Seleznev, V. A.; Smirnov, K. V. |
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Title |
Technology development of resonator-based structures for efficiency increasing of NBN detectors of IR single photons |
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Journal Article |
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2016 |
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Proc. 5th Int. Conf. Photonics and Information Optics |
Abbreviated Journal |
Proc. 5th Int. Conf. Photonics and Information Optics |
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115-116 |
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Keywords |
NbN SSPD |
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This paper presents a technology of fabrication of NbN superconductive single- photon detectors, using resonator structures. The main results are related to optimization of the process of NbN sputtering over substrate with metallic mirrors and SiO 2 /Si 3 N 4 layers /4 thick. Investigation of the quantum efficiency of fabricated devices at 1.6 K on 1.55 μm showed triple-magnified value compared to standard Si/NbN structures. |
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978-5-7262-2215-8 |
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http://fioconf.mephi.ru/files/2015/12/FIO2016-Sbornik.pdf Разработка технологии создания резонаторных структур для увеличения квантовой эффективности NBN детекторов ИК-фотонов |
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1811 |
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