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Author Manova, N. N.; Korneeva, Yu. P.; Korneev, A. A.; Slysz, W.; Voronov, B. M.; Gol'tsman, G. N. url  doi
openurl 
  Title Superconducting NbN single-photon detector integrated with quarter-wave resonator Type Journal Article
  Year 2011 Publication Tech. Phys. Lett. Abbreviated Journal (down) Tech. Phys. Lett.  
  Volume 37 Issue 5 Pages 469-471  
  Keywords SSPD, SNSPD  
  Abstract The spectral dependence of the quantum efficiency of superconducting NbN single-photon detectors integrated with quarter-wave resonators based on Si3N4, SiO2, and SiO layers has been studied.  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ gujma @ Serial 664  
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Author Korneeva, Y. P.; Manova, N. N.; Dryazgov, M. A.; Simonov, N. O.; Zolotov, P. I.; Korneev, A. A. url  doi
openurl 
  Title Influence of sheet resistance and strip width on the detection efficiency saturation in micron-wide superconducting strips and large-area meanders Type Journal Article
  Year 2021 Publication Supercond. Sci. Technol. Abbreviated Journal (down) Supercond. Sci. Technol.  
  Volume 34 Issue 8 Pages 084001  
  Keywords NbN SSPD, SMSPD  
  Abstract We report our study of detection efficiency (DE) saturation in wavelength range 400 – 1550 nm for the NbN Superconducting Microstrip Single-Photon Detectors (SMSPD) featuring the strip width up to 3 μm. We observe an expected decrease of the $DE$ saturation plateau with the increase of photon wavelength and decrease of film sheet resistance. At 1.7 K temperature DE saturation can be clearly observed at 1550 nm wavelength in strip with the width up to 2 μm when sheet resistance of the film is above 630Ω/sq. In such strips the length of the saturation plateau almost does not depend on the strip width. We used these films to make meander-shaped detectors with the light sensitive area from 20×20μm2 to a circle 50 μm in diameter. In the latter case, the detector with the strip width of 0.49 μm demonstrates saturation of DE up to 1064 nm wavelength. Although DE at 1310 and 1550 nm is not saturated, it is as high as 60%. The response time is limited by the kinetic inductance and equals to 20 ns(by 1/e decay), timing jitter is 44 ps. When coupled to multi-mode fibre large-area meanders demonstrate significantly higher dark count rate which we attribute to thermal background photons, thus advanced filtering technique would be required for practical applications.  
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  Corporate Author Thesis  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0953-2048 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1793  
Permanent link to this record
 
 
Author Korneeva, Y. P.; Mikhailov, M. Y.; Pershin, Y. P.; Manova, N. N.; Divochiy, A. V.; Vakhtomin, Y. B.; Korneev, A. A.; Smirnov, K. V.; Sivakov, A. G.; Devizenko, A. Y.; Goltsman, G. N. doi  openurl
  Title Superconducting single-photon detector made of MoSi film Type Journal Article
  Year 2014 Publication Supercond. Sci. Technol. Abbreviated Journal (down) Supercond. Sci. Technol.  
  Volume 27 Issue 9 Pages 095012  
  Keywords SSPD, SNSPD  
  Abstract We fabricated and characterized nanowire superconducting single-photon detectors made of 4 nm thick amorphous Mox Si1−x films. At 1.7 K the best devices exhibit a detection efficiency (DE) up to 18% at 1.2 $\mu {\rm m}$ wavelength of unpolarized light, a characteristic response time of about 6 ns and timing jitter of 120 ps. The DE was studied in wavelength range from 650 nm to 2500 nm. At wavelengths below 1200 nm these detectors reach their maximum DE limited by photon absorption in the thin MoSi film.  
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  Publisher IOP Publishing Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0953-2048 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ sasha @ korneeva2014superconducting Serial 1044  
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Author Korneev, A. A.; Divochiy, A. V.; Vakhtomin, Yu. B.; Korneeva, Yu. P.; Larionov, P. A.; Manova, N. N.; Florya, I. N.; Trifonov, A. V.; Voronov, B. M.; Smirnov, K. V.; Semenov, A. V.; Chulkova, G. M.; Goltsman, G. N. url  openurl
  Title IR single-photon receiver based on ultrathin NbN superconducting film Type Journal Article
  Year 2013 Publication Rus. J. Radio Electron. Abbreviated Journal (down) Rus. J. Radio Electron.  
  Volume Issue 5 Pages  
  Keywords SSPD, SNSPD  
  Abstract We present our recent results in research and development of superconducting single-photon detector (SSPD). We achieved the following performance improvement: first, we developed and characterized SSPD integrated in optical cavity and enabling its illumination from the face side, not through the substrate, second, we improved the quantum efficiency of the SSPD at around 3 μm wavelength by reduction of the strip width to 40 nm, and, finally, we improved the detection efficiency of the SSPD-based single-photon receiver system up to 20% at 1550 nm and extended its wavelength range beyond 1800 nm by the usage of the fluoride ZBLAN fibres.  
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  Language Russian Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
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  Area Expedition Conference  
  Notes 8 pages Approved no  
  Call Number RPLAB @ sasha @ korneevir Serial 1043  
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Author Semenov, A. V.; Devyatov, I. A.; Korneev, A. A.; Smirnov, K. V.; Goltsman, G. N.; Melnikov, A. P. url  openurl
  Title Derivation of expression for thermodynamic potential of “dirty” superconductor Type Journal Article
  Year 2012 Publication Rus. J. Radio Electron. Abbreviated Journal (down) Rus. J. Radio Electron.  
  Volume Issue 4 Pages  
  Keywords dirty superconductor, Usadel theory, thermodynamic potential  
  Abstract We derive a formula for thermodynamic potential of dirty superconductor which express it via isotropic quasiclassical Green functions of Usadel theory. Our result allows unify description of dynamic processes and fluctuations in superconducting nano-electronic devices.  
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  Language Russian Summary Language Original Title  
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  Area Expedition Conference  
  Notes 7 pages Approved no  
  Call Number Serial 1824  
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Author Smirnov, K. V.; Vachtomin, Y. B.; Ozhegov, R. V.; Pentin, I. V.; Slivinskaya, E. V.; Korneev, A. A.; Goltsman, G. N. url  doi
openurl 
  Title Fiber coupled single photon receivers based on superconducting detectors for quantum communications and quantum cryptography Type Conference Article
  Year 2008 Publication Proc. SPIE Abbreviated Journal (down) Proc. SPIE  
  Volume 7138 Issue Pages 713827 (1 to 6)  
  Keywords SSPD, SNSPD, superconducting single photon detector, ultra-thin superconducting films, optical fiber coupling, ready to use receiver  
  Abstract At present superconducting detectors become increasingly attractive for various practical applications. In this paper we present results on the depelopment of fiber coupled receiver systems for the registration of IR single photons, optimized for telecommunication and quantum-cryptography. These receiver systems were developed on the basis of superconducting single photon detectors (SSPD) of VIS and IR wavelength ranges. The core of the SSPD is a narrow ( 100 nm) and long ( 0,5 mm) strip in the form of a meander which is patterned from a 4-nm-thick NbN film (TC=10-11 K, jC= 5-7•106 A/cm2); the sensitive area dimensions are 10×10 μm2. The main problem to be solved while the receiver system development was optical coupling of a single-mode fiber (9 microns in diameter) with the SSPD sensitive area. Characteristics of the developed system at the optical input are as follows: quantum efficiency >10 % (at 1.3 μm), >4 % (at 1.55 μm); dark counts rate ≤1 s-1; duration of voltage pulse ≤5 ns; jitter ≤40 ps. The receiver systems have either one or two identical channels (for the case of carrying out correlation measurements) and are made as an insert in a helium storage Dewar.  
  Address  
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  Publisher Spie Place of Publication Editor Tománek, P.; Senderáková, D.; Hrabovský, M.  
  Language Summary Language Original Title  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1405  
Permanent link to this record
 
 
Author Korneev, A. A. url  doi
openurl 
  Title Superconducting NbN microstrip single-photon detectors Type Abstract
  Year 2021 Publication Proc. Quantum Optics and Photon Counting Abbreviated Journal (down) Proc. Quantum Optics and Photon Counting  
  Volume 11771 Issue Pages  
  Keywords NbN SSPD, SNSPD  
  Abstract Superconducting Single-Photon Detectors (SSPD) invented two decades ago have evolved to a mature technology and have become devices of choice in the advanced applications of quantum optics, such as quantum cryptography and optical quantum computing. In these applications SSPDs are coupled to single-mode fibers and feature almost unity detection efficiency, negligible dark counts, picosecond timing jitter and MHz photon count rate. Meanwhile, there are great many applications requiring coupling to multi-mode fibers or free space. ‘Classical’ SSPDs with 100-nm-wide superconducting strip and covering area of about 100 µm2 are not suitable for further scaling due to degradation of performance and low fabrication yield. Recently we have demonstrated single-photon counting in micron-wide superconducting bridges and strips. Here we present our approach to the realization of practical photon-counting detectors of large enough area to be efficiently coupled to multi-mode fibers or free space. The detector is either a meander or a spiral of 1-µm-wide strip covering an area of 50x50 µm2. Being operated at 1.7K temperature it demonstrates the saturated detection efficiency (i.e. limited by the absorption in the detector) up to 1550 nm wavelength, about 10 ns dead time and timing jitter in range 50-100 ps.  
  Address  
  Corporate Author Thesis  
  Publisher SPIE Place of Publication Editor Prochazka, I.; Štefaňák, M.; Sobolewski, R.; Gábris, A.  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference Quantum Optics and Photon Counting; SPIE Optics + Optoelectronics, 2021, Online Only  
  Notes Approved no  
  Call Number Serial 1784  
Permanent link to this record
 
 
Author Peltonen, J. T.; Peng, Z. H.; Korneeva, Yu. P.; Voronov, B. M.; Korneev, A. A.; Semenov, A. V.; Gol'tsman, G. N.; Tsai, J. S; Astafiev, Oleg doi  openurl
  Title Coherent dynamics and decoherence in a superconducting weak link Type Journal Article
  Year 2016 Publication Physic. Rev. B, Abbreviated Journal (down) Physic. Rev. B,  
  Volume 94 Issue Pages 180508  
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  Notes Approved no  
  Call Number RPLAB @ akorneev @ Serial 1123  
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Author Shein, K. V.; Zarudneva, A. A.; Emel’yanova, V. O.; Logunova, M. A.; Chichkov, V. I.; Sobolev, A.S.; Zav’yalov, V. V.; Lehtinen, J. S.; Smirnov, E. O.; Korneeva, Y. P.; Korneev, A. A.; Arutyunov, K. Y. url  doi
openurl 
  Title Superconducting microstructures with high impedance Type Journal Article
  Year 2020 Publication Phys. Solid State Abbreviated Journal (down) Phys. Solid State  
  Volume 62 Issue 9 Pages 1539-1542  
  Keywords superconducting channels, SIS, inetic inductance, tunneling contacts, high impedance  
  Abstract The transport properties of two types of quasi-one-dimensional superconducting microstructures were investigated at ultra-low temperatures: the narrow channels close-packed in the shape of meander, and the chains of tunneling contacts “superconductor-insulator-superconductor.” Both types of the microstructures demonstrated high value of high-frequency impedance and-or the dynamic resistance. The study opens up potential for using of such structures as current stabilizing elements with zero dissipation.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1063-7834 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1789  
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Author Sidorova, M. V.; Kozorezov, A. G.; Semenov, A. V.; Korneeva, Y. P.; Mikhailov, M. Y.; Devizenko, A. Y.; Korneev, A. A.; Chulkova, G. M.; Goltsman, G. N. url  doi
openurl 
  Title Nonbolometric bottleneck in electron-phonon relaxation in ultrathin WSi films Type Journal Article
  Year 2018 Publication Phys. Rev. B Abbreviated Journal (down) Phys. Rev. B  
  Volume 97 Issue 18 Pages 184512 (1 to 13)  
  Keywords WSi films, diffusion constant, SSPD, SNSPD  
  Abstract We developed the model of the internal phonon bottleneck to describe the energy exchange between the acoustically soft ultrathin metal film and acoustically rigid substrate. Discriminating phonons in the film into two groups, escaping and nonescaping, we show that electrons and nonescaping phonons may form a unified subsystem, which is cooled down only due to interactions with escaping phonons, either due to direct phonon conversion or indirect sequential interaction with an electronic system. Using an amplitude-modulated absorption of the sub-THz radiation technique, we studied electron-phonon relaxation in ultrathin disordered films of tungsten silicide. We found an experimental proof of the internal phonon bottleneck. The experiment and simulation based on the proposed model agree well, resulting in τe−ph∼140–190 ps at TC=3.4K, supporting the results of earlier measurements by independent techniques.  
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  Series Volume Series Issue Edition  
  ISSN 2469-9950 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1305  
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