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Author | Korneev, A.; Matvienko, V.; Minaeva, O.; Milostnaya, I.; Rubtsova, I.; Chulkova, G.; Smirnov, K.; Voronov, V.; Gol’tsman, G.; Slysz, W.; Pearlman, A.; Verevkin, A.; Sobolewski, R. | ||||
Title | Quantum efficiency and noise equivalent power of nanostructured, NbN, single-photon detectors in the wavelength range from visible to infrared | Type | Journal Article | ||
Year | 2005 | Publication | IEEE Trans. Appl. Supercond. | Abbreviated Journal | IEEE Trans. Appl. Supercond. |
Volume | 15 | Issue | 2 | Pages | 571-574 |
Keywords | NbN SSPD, SNSPD, QE, NEP | ||||
Abstract | We present our studies on the quantum efficiency (QE) and the noise equivalent power (NEP) of the latest-generation, nanostructured, superconducting, single-photon detectors (SSPDs) in the wavelength range from 0.5 to 5.6 /spl mu/m, operated at temperatures in the 2.0- to 4.2-K range. Our detectors are designed as 4-nm-thick and 100-nm-wide NbN meander-shaped stripes, patterned by electron-beam lithography and cover a 10/spl times/10-/spl mu/m/sup 2/ active area. The best-achieved QE at 2.0 K for 1.55-/spl mu/m photons is 17%, and QE for 1.3-/spl mu/m infrared photons reaches its saturation value of /spl sim/30%. The SSPD NEP at 2.0 K is as low as 5/spl times/10/sup -21/ W/Hz/sup -1/2/. Our nanostructured SSPDs, operated at 2.0 K, significantly outperform their semiconducting counterparts, and, together with their GHz counting rate and picosecond timing jitter, they are devices-of-choice for practical quantum key distribution systems and free-space (even interplanetary) quantum optical communications. | ||||
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ISSN | 1558-2515 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Serial | 1467 | |||
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Author | Slysz, W.; Wegrzecki, M.; Bar, J.; Grabiec, P.; Gol'tsman, G. N.; Verevkin, M.; Sobolewski, R. | ||||
Title | NbN superconducting single-photon detectors coupled with a communication fiber | Type | Miscellaneous | ||
Year | 2004 | Publication | INIS | Abbreviated Journal | INIS |
Volume | 37 | Issue | 2 | Pages | 1-2 |
Keywords | NbN SSPD, SNSPD | ||||
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Address | Stare Jablonki, Poland | ||||
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Area | Expedition | Conference | 8-th Electron Technology Conference ELTE | ||
Notes | Approved | no | |||
Call Number | Serial | 1486 | |||
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Author | Gol’tsman, G. N.; Smirnov, K.; Kouminov, P.; Voronov, B.; Kaurova, N.; Drakinsky, V.; Zhang, J.; Verevkin, A.; Sobolewski, R. | ||||
Title | Fabrication of nanostructured superconducting single-photon detectors | Type | Journal Article | ||
Year | 2003 | Publication | IEEE Trans. Appl. Supercond. | Abbreviated Journal | IEEE Trans. Appl. Supercond. |
Volume | 13 | Issue | 2 | Pages | 192-195 |
Keywords | NbN SSPD, SNSPD | ||||
Abstract | Fabrication of NbN superconducting single-photon detectors, based on the hotspot effect is presented. The hotspot formation arises in an ultrathin and submicrometer-width superconductor stripe and, together with the supercurrent redistribution, leads to the resistive detector response upon absorption of a photon. The detector has a meander structure to maximally increase its active area and reach the highest detection efficiency. Main processing steps, leading to efficient devices, sensitive in 0.4-5 /spl mu/m wavelength range, are presented. The impact of various processing steps on the performance and operational parameters of our detectors is discussed. | ||||
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ISSN | 1558-2515 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Serial | 1515 | |||
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Author | Il'in, K. S.; Currie, M.; Lindgren, M.; Milostnaya, I. I.; Verevkin, A. A.; Gol'tsman, G. N.; Sobolewski, R. | ||||
Title | Quantum efficiency and time-domain response of superconducting NbN hot-electron photodetectors | Type | Journal Article | ||
Year | 1999 | Publication | IEEE Trans. Appl. Supercond. | Abbreviated Journal | IEEE Trans. Appl. Supercond. |
Volume | 9 | Issue | 2 | Pages | 3338-3341 |
Keywords | NbN SSPD, SNSPD | ||||
Abstract | We report our studies on the response of ultrathin superconducting NbN hot-electron photodetectors. We have measured the photoresponse of few-nm-thick, micron-size structures, which consisted of single and multiple microbridges, to radiation from the continuous-wave semiconductor laser and the femtosecond Ti:sapphire laser with the wavelength of 790 nm and 400 nm, respectively. The maximum responsivity was observed near the film's superconducting transition with the device optimally current-biased in the resistive state. The responsivity of the detector, normalized to its illuminated area and the coupling factor, was 220 A/W(3/spl times/10/sup 4/ V/W), which corresponded to a quantum efficiency of 340. The responsivity was wavelength independent from the far infrared to the ultraviolet range, and was at least two orders of magnitude higher than comparable semiconductor optical detectors. The time constant of the photoresponse signal was 45 ps, when was measured at 2.15 K in the resistive (switched) state using a cryogenic electro-optical sampling technique with subpicosecond resolution. The obtained results agree very well with our calculations performed using a two-temperature model of the electron heating in thin superconducting films. | ||||
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ISSN | 1051-8223 | ISBN | Medium | ||
Area | Expedition | Conference | |||
Notes | Approved | no | |||
Call Number | Serial | 1566 | |||
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Author | Korneeva, Y. P.; Manova, N. N.; Florya, I. N.; Mikhailov, M. Y.; Dobrovolskiy, O. V.; Korneev, A. A.; Vodolazov, D. Y. | ||||
Title | Different single-photon response of wide and narrow superconducting MoxSi1−x strips | Type | Journal Article | ||
Year | 2020 | Publication | Phys. Rev. Applied | Abbreviated Journal | Phys. Rev. Applied |
Volume | 13 | Issue | 2 | Pages | 024011 (1 to 7) |
Keywords | MoSi SSPD, SNSPD | ||||
Abstract | The photon count rate (PCR) of superconducting single-photon detectors made of MoxSi1−x films shaped as a 2-μm-wide strip and a 115-nm-wide meander strip line is studied experimentally as a function of the dc biasing current at different values of the perpendicular magnetic field. For the wide strip, a crossover current Icross is observed, below which the PCR increases with an increasing magnetic field and above which it decreases. This behavior contrasts with the narrow MoxSi1−x meander, for which no crossover current is observed, thus suggesting different photon-detection mechanisms in the wide and narrow strips. Namely, we argue that in the wide strip the absorbed photon destroys superconductivity locally via the vortex-antivortex mechanism for the emergence of resistance, while in the narrow meander superconductivity is destroyed across the whole strip line, forming a hot belt. Accordingly, the different photon-detection mechanisms associated with vortices and the hot belt determine the qualitative difference in the dependence of the PCR on the magnetic field. | ||||
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ISSN | 2331-7019 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Serial | 1790 | |||
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Author | Smirnov, K.; Moshkova, M.; Antipov, A.; Morozov, P.; Vakhtomin, Y. | ||||
Title | The cascade switching of the photon number resolving superconducting single-photon detectors | Type | Journal Article | ||
Year | 2021 | Publication | IEEE Trans. Appl. Supercond. | Abbreviated Journal | IEEE Trans. Appl. Supercond. |
Volume | 31 | Issue | 2 | Pages | 1-4 |
Keywords | PNR SSPD, SNSPD | ||||
Abstract | In this article, present the first detailed study of cascade switching in superconducting photon number resolving detectors. The detectors were made in the form of four parallel nanowires, coupled with the single-mode optical fiber and mounted into a closed-cycle refrigerator with a temperature of 2.1 K. We found out the value of additional false pulses (N cas.sw. ) appearing due to cascade switching and showed that it is possible to set up the detector bias current that corresponds to a high level of the detection efficiency and a low level of N cas.sw. simultaneously. We reached the detection efficiency of 60% and N cas.sw. = 0.3%. | ||||
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ISSN | 1051-8223 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Serial | 1796 | |||
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Author | Чулкова, Галина Меркурьевна; Семёнов, Александр Владимирович; Тархов, Михаил Александрович; Гольцман, Григорий Наумович; Корнеев, Александр Александрович; Смирнов, Константин Владимирович | ||||
Title | О возможности использования PNR-SNPD в системах телекоммуникационной связи | Type | Journal Article | ||
Year | 2012 | Publication | Преподаватель ХХI век | Abbreviated Journal | |
Volume | Issue | 2 | Pages | 244-246 | |
Keywords | PNR SSPD, SNSPD, SNPD | ||||
Abstract | Рассмотрена возможность применения сверхпроводникового нанополоскового детектора, разрешающего число фотонов (Photon-Number Resolving Superconducting Nanowire Photon Detector, PNR-SNPD), в качестве датчика приёмных модулей телекоммуникационных линий. Оценена мощность оптического импульса, необходимая для достижения приемлемо низкой доли ошибочных битов. | ||||
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Language | Russian | Summary Language | Original Title | ||
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Notes | Approved | no | |||
Call Number | Serial | 1826 | |||
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Author | Delacour, C.; Claudon, J.; Poizat, J.-Ph.; Pannetier, B.; Bouchiat, V.; de Lamaestre, R. Espiau; Villegier, J.-C.; Tarkhov, M.; Korneev, A.; Voronov, B.; Gol'tsman, G. | ||||
Title | Superconducting single photon detectors made by local oxidation with an atomic force microscope | Type | Journal Article | ||
Year | 2007 | Publication | Appl. Phys. Lett. | Abbreviated Journal | Appl. Phys. Lett. |
Volume | 90 | Issue | 19 | Pages | 191116 (1 t0 3) |
Keywords | SSPD | ||||
Abstract | The authors present a fabrication technique of superconducting single photon detectors made by local oxidation of niobium nitride ultrathin films. Narrow superconducting meander lines are obtained by direct writing of insulating niobium oxynitride lines through the films using voltage-biased tip of an atomic force microscope. Due to the 30nm resolution of the lithographic technique, the filling factor of the meander line can be made substantially higher than detector of similar geometry made by electron beam lithography, thus leading to increased quantum efficiency. Single photon detection regime of these devices is demonstrated at 4.2K. The authors thank J.-P. Maneval for stimulating discussions. This work has been partly supported by ACI Nanoscience from French Ministry of Research, D.G.A., by Grant No. 02.445.11.7434 of Russian Ministry of Education and Science, and by the European Commission under project “SINPHONIA,” Contract No. NMP4-CT-2005-16433. |
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Series Volume | Series Issue | Edition | |||
ISSN | 0003-6951 | ISBN | Medium | ||
Area | Expedition | Conference | |||
Notes | Approved | no | |||
Call Number | Serial | 423 | |||
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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 | Type | 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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Series Volume | Series Issue | Edition | |||
ISSN | 1094-4087 | ISBN | Medium | ||
Area | Expedition | Conference | |||
Notes | PMID:24104155 | Approved | no | ||
Call Number | Serial | 1213 | |||
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Author | Nasr, M. B.; Minaeva, O.; Goltsman, G. N.; Sergienko, A. V.; Saleh, B. E.; Teich, M. C. | ||||
Title | Submicron axial resolution in an ultrabroadband two-photon interferometer using superconducting single-photon detectors | Type | Journal Article | ||
Year | 2008 | Publication | Opt. Express | Abbreviated Journal | Opt. Express |
Volume | 16 | Issue | 19 | Pages | 15104-15108 |
Keywords | SSPD, SNSPD | ||||
Abstract | We generate ultrabroadband biphotons via the process of spontaneous parametric down-conversion in a quasi-phase-matched nonlinear grating that has a linearly chirped poling period. Using these biphotons in conjunction with superconducting single-photon detectors (SSPDs), we measure the narrowest Hong-Ou-Mandel dip to date in a two-photon interferometer, having a full width at half maximum (FWHM) of approximately 5.7 fsec. This FWHM corresponds to a quantum optical coherence tomography (QOCT) axial resolution of 0.85 µm. Our results indicate that a high flux of nonoverlapping biphotons may be generated, as required in many applications of nonclassical light. | ||||
Address | Departments of Electrical & Computer Engineering and Physics, Quantum Imaging Laboratory, Boston University, Boston, MA 02215, USA. boshra@bu.edu | ||||
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Language | English | Summary Language | Original Title | ||
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ISSN | 1094-4087 | ISBN | Medium | ||
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Notes | PMID:18795048 | Approved | no | ||
Call Number | Serial | 1408 | |||
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Author | Sprengers, J. P.; Gaggero, A.; Sahin, D.; Jahanmirinejad, S.; Frucci, G.; Mattioli, F.; Leoni, R.; Beetz, J.; Lermer, M.; Kamp, M.; Höfling, S.; Sanjines, R.; Fiore A. | ||||
Title | Waveguide superconducting single-photon detectors for integrated quantum photonic circuits | Type | Journal Article | ||
Year | 2011 | Publication | Applied Physics Letters | Abbreviated Journal | Appl. Phys. Lett. |
Volume | 99 | Issue | 18 | Pages | 181110(1-3) |
Keywords | optical waveguides, waveguide SSPD | ||||
Abstract | The monolithic integration of single-photon sources, passive optical circuits, and single-photon detectors enables complex and scalable quantum photonic integrated circuits, for application in linear-optics quantum computing and quantum communications. Here, we demonstrate a key component of such a circuit, a waveguide single-photon detector. Our detectors, based on superconducting nanowires on GaAs ridge waveguides, provide high efficiency (~0%) at telecom wavelengths, high timing accuracy (~0 ps), and response time in the ns range and are fully compatible with the integration of single-photon sources, passive networks, and modulators. | ||||
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Call Number | Serial | 847 | |||
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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. | ||||
Title | Nonbolometric bottleneck in electron-phonon relaxation in ultrathin WSi films | Type | Journal Article | ||
Year | 2018 | Publication | Phys. Rev. B | Abbreviated Journal | 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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ISSN | 2469-9950 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Serial | 1305 | |||
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Author | Shcherbatenko, M.; Elezov, M.; Manova, N.; Sedykh, K.; Korneev, A.; Korneeva, Y.; Dryazgov, M.; Simonov, N.; Feimov, A.; Goltsman, G.; Sych, D. | ||||
Title | Single-pixel camera with a large-area microstrip superconducting single photon detector on a multimode fiber | Type | Journal Article | ||
Year | 2021 | Publication | Appl. Phys. Lett. | Abbreviated Journal | Appl. Phys. Lett. |
Volume | 118 | Issue | 18 | Pages | 181103 |
Keywords | NbN SSPD, SNSPD | ||||
Abstract | High sensitivity imaging at the level of single photons is an invaluable tool in many areas, ranging from microscopy to astronomy. However, development of single-photon sensitive detectors with high spatial resolution is very non-trivial. Here we employ the single-pixel imaging approach and demonstrate a proof-of-principle single-pixel single-photon imaging setup. We overcome the problem of low light gathering efficiency by developing a large-area microstrip superconducting single photon detector coupled to a multi-mode optical fiber interface. We show that the setup operates well in the visible and near infrared spectrum, and is able to capture images at the single-photon level. We thank Philipp Zolotov and Pavel Morozov for NbN film fabrication, ARC coating, and fiber coupling of the detector. We also thank Swabian Instruments GmbH and Dr. Helmut Fedder personally for the kindly provided experimental equipment (Time Tagger Ultra 8). The work in the part of SNSPD research and development was supported by the Russian Foundation for Basic Research Project No. 18-29-20100. The work in the part of the optical setup and imaging was supported by Russian Foundation for Basic Research Project No. 20-32-51004. |
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Series Volume | Series Issue | Edition | |||
ISSN | 0003-6951 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Serial | 1770 | |||
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Author | Stucki, Damien; Barreiro, Claudio; Fasel, Sylvain; Gautier, Jean-Daniel; Gay, Olivier; Gisin, Nicolas; Thew, Rob; Thoma, Yann; Trinkler, Patrick; Vannel, Fabien; Zbinden, Hugo | ||||
Title | Continuous high speed coherent one-way quantum key distribution | Type | Journal Article | ||
Year | 2009 | Publication | Optics Express | Abbreviated Journal | Opt. Express |
Volume | 17 | Issue | 16 | Pages | 13326-13334 |
Keywords | quantum cryptography, QKD, PNS, SSPD, coherent one way, COW | ||||
Abstract | Quantum key distribution (QKD) is the first commercial quantum technology operating at the level of single quanta and is a leading light for quantum-enabled photonic technologies. However, controlling these quantum optical systems in real world environments presents significant challenges. For the first time, we have brought together three key concepts for future QKD systems: a simple high-speed protocol; high performance detection; and integration both, at the component level and for standard fibre network connectivity. The QKD system is capable of continuous and autonomous operation, generating secret keys in real time. Laboratory and field tests were performed and comparisons made with robust InGaAs avalanche photodiodes and superconducting detectors. We report the first real world implementation of a fully functional QKD system over a 43dB-loss (150km) transmission line in the Swisscom fibre optic network where we obtained average real-time distribution rates over 3 hours of 2.5bps. | ||||
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Call Number | RPLAB @ akorneev @ | Serial | 602 | ||
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Author | Goltsman, G.; Korneev, A.; Divochiy, A.; Minaeva, O.; Tarkhov, M.; Kaurova, N.; Seleznev, V.; Voronov, B.; Okunev, O.; Antipov, A.; Smirnov, K.; Vachtomin, Yu.; Milostnaya, I.; Chulkova, G. | ||||
Title | Ultrafast superconducting single-photon detector | Type | Journal Article | ||
Year | 2009 | Publication | J. Modern Opt. | Abbreviated Journal | J. Modern Opt. |
Volume | 56 | Issue | 15 | Pages | 1670-1680 |
Keywords | SSPD, SNSPD | ||||
Abstract | The state-of-the-art of the NbN nanowire superconducting single-photon detector technology (SSPD) is presented. The SSPDs exhibit excellent performance at 2 K temperature: 30% quantum efficiency from visible to infrared, negligible dark count rate, single-photon sensitivity up to 5.6 µm. The recent achievements in the development of GHz counting rate devices with photon-number resolving capability is presented. | ||||
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ISSN | 0950-0340 | ISBN | Medium | ||
Area | Expedition | Conference | |||
Notes | Approved | no | |||
Call Number | RPLAB @ akorneev @ | Serial | 607 | ||
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