Records |
Author |
Kovalyuk, V.; Ferrari, S.; Kahl, O.; Semenov, A.; Lobanov, Y.; Shcherbatenko, M.; Korneev, A.; Pernice, W.; Goltsman, G. |
Title |
Waveguide integrated superconducting single-photon detector for on-chip quantum and spectral photonic application |
Type |
Conference Article |
Year |
2017 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
Volume |
917 |
Issue |
|
Pages |
062032 |
Keywords |
SSPD, SNSPD, waveguide |
Abstract |
With use of the travelling-wave geometry approach, integrated superconductor- nanophotonic devices based on silicon nitride nanophotonic waveguide with a superconducting NbN-nanowire suited on top of the waveguide were fabricated. NbN-nanowire was operated as a single-photon counting detector with up to 92 % on-chip detection efficiency in the coherent mode, serving as a highly sensitive IR heterodyne mixer with spectral resolution (f/df) greater than 106 in C-band at 1550 nm wavelength |
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RPLAB @ kovalyuk @ |
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1140 |
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Author |
Marsili, Francesco; Bitauld, David; Fiore, Andrea; Gaggero, Alessandro; Mattioli, Francesco; Leoni, Roberto; Divochiy, Aleksander; Gol'tsman, Gregory |
Title |
Photon-number-resolution at telecom wavelength with superconducting nanowires |
Type |
Miscellaneous |
Year |
2010 |
Publication |
IntechOpen |
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Pages |
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Keywords |
SSPD, SNSPD |
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RPLAB @ sasha @ marsiliphoton |
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1036 |
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Author |
Kurochkin, V. L.; Zverev, A. V.; Kurochkin, Y. V.; Ryabtsev, I. I.; Neizvestnyi, I. G.; Ozhegov, R. V.; Gol’tsman, G. N.; Larionov, P. A. |
Title |
Long-distance fiber-optic quantum key distribution using superconducting detectors |
Type |
Conference Article |
Year |
2015 |
Publication |
Proc. Optoelectron. Instrum. |
Abbreviated Journal |
Proc. Optoelectron. Instrum. |
Volume |
51 |
Issue |
6 |
Pages |
548-552 |
Keywords |
QKD, SSPD, SNSPD |
Abstract |
This paper presents the results of experimental studies on quantum key distribution in optical fiber using superconducting detectors. Key generation was obtained on an experimental setup based on a self-compensation optical circuit with an optical fiber length of 101.1 km. It was first shown that photon polarization encoding can be used for quantum key distribution in optical fiber over a distance in excess of 300 km. |
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8756-6990 |
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1342 |
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Glejm, A. V.; Anisimov, A. A.; Asnis, L. N.; Vakhtomin, Yu. B.; Divochiy, A. V.; Egorov, V. I.; Kovalyuk, V. V.; Korneev, A. A.; Kynev, S. M.; Nazarov, Yu. V.; Ozhegov, R. V.; Rupasov, A. V.; Smirnov, K. V.; Smirnov, M. A.; Goltsman, G. N.; Kozlov, S. A. |
Title |
Quantum key distribution in an optical fiber at distances of up to 200 km and a bit rate of 180 bit/s |
Type |
Journal Article |
Year |
2014 |
Publication |
Bulletin of the Russian Academy of Sciences. Physics |
Abbreviated Journal |
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Volume |
78 |
Issue |
3 |
Pages |
171-175 |
Keywords |
SSPD, SNSPD, applications |
Abstract |
An experimental demonstration of a subcarrier-wave quantum cryptography system with superconducting single-photon detectors (SSPDs) that distributes a secure key in a single-mode fiber at distance of 25 km with a bit rate of 800 kbit/s, a distance of 100 km with a bit rate of 19 kbit/s, and a distance of 200 km with a bit rate of 0.18 kbit/s is described. |
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ISSN |
1062-8738 |
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no |
Call Number |
RPLAB @ kovalyuk @ |
Serial |
940 |
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Author |
Rosfjord, Kristine M.; Yang, Joel K. W.; Dauler, Eric A.; Kerman, Andrew J.; Vikas Anant; Voronov, Boris M.; Gol'tsman, Gregory N.; Berggren, Karl K. |
Title |
Nanowire Single-photon detector with an integrated optical cavity and anti-reflection coating |
Type |
Journal Article |
Year |
2006 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
Volume |
14 |
Issue |
2 |
Pages |
527-534 |
Keywords |
SSPD, SNSPD, cavity |
Abstract |
We have fabricated and tested superconducting single-photon detectors and demonstrated detection efficiencies of 57% at 1550-nm wavelength and 67% at 1064 nm. In addition to the peak detection efficiency, a median detection efficiency of 47.7% was measured over 132 devices at 1550 nm. These measurements were made at 1.8K, with each device biased to 97.5% of its critical current. The high detection efficiencies resulted from the addition of an optical cavity and anti-reflection coating to a nanowire photodetector, creating an integrated nanoelectrophotonic device with enhanced performance relative to the original device. Here, the testing apparatus and the fabrication process are presented. The detection efficiency of devices before and after the addition of optical elements is also reported. |
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1094-4087 |
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PMID:19503367 |
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no |
Call Number |
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Serial |
388 |
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Vorobyov, V. V.; Kazakov, A. Y.; Soshenko, V. V.; Korneev, A. A.; Shalaginov, M. Y.; Bolshedvorskii, S. V.; Sorokin, V. N.; Divochiy, A. V.; Vakhtomin, Y. B.; Smirnov, K. V.; Voronov, B. M.; Shalaev, V. M.; Akimov, A. V.; Goltsman, G. N. |
Title |
Superconducting detector for visible and near-infrared quantum emitters [Invited] |
Type |
Journal Article |
Year |
2017 |
Publication |
Opt. Mater. Express |
Abbreviated Journal |
Opt. Mater. Express |
Volume |
7 |
Issue |
2 |
Pages |
513-526 |
Keywords |
SSPD, SNSPD |
Abstract |
Further development of quantum emitter based communication and sensing applications intrinsically depends on the availability of robust single-photon detectors. Here, we demonstrate a new generation of superconducting single-photon detectors specifically optimized for the 500–1100 nm wavelength range, which overlaps with the emission spectrum of many interesting solid-state atom-like systems, such as nitrogen-vacancy and silicon-vacancy centers in diamond. The fabricated detectors have a wide dynamic range (up to 350 million counts per second), low dark count rate (down to 0.1 counts per second), excellent jitter (62 ps), and the possibility of on-chip integration with a quantum emitter. In addition to performance characterization, we tested the detectors in real experimental conditions involving nanodiamond nitrogen-vacancy emitters enhanced by a hyperbolic metamaterial. |
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2159-3930 |
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1234 |
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Morozov, P.; Lukina, M.; Shirmanova, M.; Divochiy, A.; Dudenkova, V.; Gol'tsman, G. N.; Becker, W.; Shcheslavskiy, V. I. |
Title |
Singlet oxygen phosphorescence imaging by superconducting single-photon detector and time-correlated single-photon counting |
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Journal Article |
Year |
2021 |
Publication |
Opt. Lett. |
Abbreviated Journal |
Opt. Lett. |
Volume |
46 |
Issue |
6 |
Pages |
1217-1220 |
Keywords |
SSPD, SNSPD, applications |
Abstract |
This Letter presents, to the best of our knowledge, a novel optical configuration for direct time-resolved measurements of luminescence from singlet oxygen, both in solutions and from cultured cells on photodynamic therapy. The system is based on the superconducting single-photon detector, coupled to the confocal scanner that is modified for the near-infrared measurements. The recording of a phosphorescence signal from singlet oxygen at 1270 nm has been done using time-correlated single-photon counting. The performance of the system is verified by measuring phosphorescence from singlet oxygen generated by the photosensitizers commonly used in photodynamic therapy: methylene blue and chlorin e6. The described system can be easily upgraded to the configuration when both phosphorescence from singlet oxygen and fluorescence from the cells can be detected in the imaging mode. Thus, co-localization of the signal from singlet oxygen with the areas inside the cells can be done. |
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English |
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0146-9592 |
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PMID:33720151 |
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no |
Call Number |
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Serial |
1221 |
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Author |
Elezov, M.; Ozhegov, R.; Goltsman, G.; Makarov, V. |
Title |
Countermeasure against bright-light attack on superconducting nanowire single-photon detector in quantum key distribution |
Type |
Journal Article |
Year |
2019 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
Volume |
27 |
Issue |
21 |
Pages |
30979-30988 |
Keywords |
SSPD, SNSPD |
Abstract |
We present an active anti-latching system for superconducting nanowire single-photon detectors. We experimentally test it against a bright-light attack, previously used to compromise security of quantum key distribution. Although our system detects continuous blinding, the detector is shown to be partially blindable and controllable by specially tailored sequences of bright pulses. Improvements to the countermeasure are suggested. |
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1094-4087 |
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PMID:31684339 |
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no |
Call Number |
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Serial |
1275 |
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Author |
Shcherbatenko, M.; Lobanov, Y.; Semenov, A.; Kovalyuk, V.; Korneev, A.; Ozhegov, R.; Kazakov, A.; Voronov, B.M.; Goltsman, G.N. |
Title |
Potential of a superconducting photon counter for heterodyne detection at the telecommunication wavelength |
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Journal Article |
Year |
2016 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
Volume |
24 |
Issue |
26 |
Pages |
30474-30484 |
Keywords |
NbN SSPD mixer, SNSPD |
Abstract |
Here, we report on the successful operation of a NbN thin film superconducting nanowire single-photon detector (SNSPD) in a coherent mode (as a mixer) at the telecommunication wavelength of 1550 nm. Providing the local oscillator power of the order of a few picowatts, we were practically able to reach the quantum noise limited sensitivity. The intermediate frequency gain bandwidth (also referred to as response or conversion bandwidth) was limited by the spectral band of a single-photon response pulse of the detector, which is proportional to the detector size. We observed a gain bandwidth of 65 MHz and 140 MHz for 7 x 7 microm2 and 3 x 3 microm2 devices, respectively. A tiny amount of the required local oscillator power and wide gain and noise bandwidths, along with unnecessary low noise amplification, make this technology prominent for various applications, with the possibility for future development of a photon counting heterodyne-born large-scale array. |
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1094-4087 |
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PMID:28059394 |
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no |
Call Number |
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Serial |
1207 |
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Author |
Kovalyuk, V.; Hartmann, W.; Kahl, O.; Kaurova, N.; Korneev, A.; Goltsman, G.; Pernice, W. H. P. |
Title |
Absorption engineering of NbN nanowires deposited on silicon nitride nanophotonic circuits |
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Journal Article |
Year |
2013 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
Volume |
21 |
Issue |
19 |
Pages |
22683-22692 |
Keywords |
SSPD, SNSPD, NbN nanoeires, Si3N4 waveguides |
Abstract |
We investigate the absorption properties of U-shaped niobium nitride (NbN) nanowires atop nanophotonic circuits. Nanowires as narrow as 20nm are realized in direct contact with Si3N4 waveguides and their absorption properties are extracted through balanced measurements. We perform a full characterization of the absorption coefficient in dependence of length, width and separation of the fabricated nanowires, as well as for waveguides with different cross-section and etch depth. Our results show excellent agreement with finite-element analysis simulations for all considered parameters. The experimental data thus allows for optimizing absorption properties of emerging single-photon detectors co-integrated with telecom wavelength optical circuits. |
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1094-4087 |
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PMID:24104155 |
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no |
Call Number |
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1213 |
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