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| Author | Goltsman, G. N.; Korneev, A. A.; Finkel, M. I.; Divochiy, A. V.; Florya, I. N.; Korneeva, Y. P.; Tarkhov, M. A.; Ryabchun, S. A.; Tretyakov, I. V.; Maslennikov, S. N.; Kaurova, N. S.; Chulkova, G. M.; Voronov, B. M. | ||||
| Title | Superconducting hot-electron bolometer as THz mixer, direct detector and IR single-photon counter | Type | Abstract | ||
| Year | 2010 | Publication | 35th Int. Conf. Infrared, Millimeter, and Terahertz Waves | Abbreviated Journal  |
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| Volume | Issue | Pages | 1-1 | ||
| Keywords | SSPD, SNSPD, HEB | ||||
| Abstract | We present a new generation of superconducting single-photon detectors (SSPDs) and hot-electron superconducting sensors with record characteristic for many terahertz and optical applications. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 2162-2027 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | RPLAB @ sasha @ goltsman2010superconducting | Serial | 1028 | ||
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| Author | Korneeva, Y. P.; Vodolazov, D. Y.; Semenov, A. V.; Florya, I. N.; Simonov, N.; Baeva, E.; Korneev, A. A.; Goltsman, G. N.; Klapwijk, T. M. | ||||
| Title | Optical single photon detection in micron-scaled NbN bridges | Type | Miscellaneous | ||
| Year | 2018 | Publication | arXiv | Abbreviated Journal |
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| Volume | Issue | Pages | |||
| Keywords | SSPD | ||||
| Abstract | We demonstrate experimentally that single photon detection can be achieved in micron-wide NbN bridges, with widths ranging from 0.53 μm to 5.15 μm and for photon-wavelengths from 408 nm to 1550 nm. The microbridges are biased with a dc current close to the experimental critical current, which is estimated to be about 50 % of the theoretically expected depairing current. These results offer an alternative to the standard superconducting single-photon detectors (SSPDs), based on nanometer scale nanowires implemented in a long meandering structure. The results are consistent with improved theoretical modelling based on the theory of non-equilibrium superconductivity including the vortex-assisted mechanism of initial dissipation. | ||||
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| Notes | Duplicated as 1303 | Approved | no | ||
| Call Number | Serial | 1312 | |||
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| Author | Korneeva, Y.; Vodolazov, D.; Florya, I.; Manova, N.; Smirnov, E.; Korneev, A.; Mikhailov, M.; Goltsman, G.; Klapwijk, T. M.; Naumov, A. V.; Gladush, M. G.; Karimullin, K. R. | ||||
| Title | Single photon detection in micron scale NbN and α-MoSi superconducting strips | Type | Conference Article | ||
| Year | 2018 | Publication | EPJ Web Conf. | Abbreviated Journal |
EPJ Web Conf. |
| Volume | 190 | Issue | Pages | 04010 (1 to 2) | |
| Keywords | SSPD | ||||
| Abstract | We experimentally demonstrate the single photon detection in straight micrometer-wide NbN and α-MoSi bridges. Width of the bridges is 2 µm, while the wavelength of the photon changes from 408 to 1550 nm and critical current exceeds 50% of the depairing current. Obtained results offer the alternative route for design of detectors without resonator and meander structure and indirectly confirm vortex assisted mechanism of single photon detection. | ||||
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| ISSN | 2100-014X | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1319 | |||
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| Author | Florya, I. N.; Korneeva, Y. P.; Sidorova, M. V.; Golikov, A. D.; Gaiduchenko, I. A.; Fedorov, G. E.; Korneev, A. A.; Voronov, B. M.; Goltsman, G. N.; Samartsev, V. V.; Vinogradov, E. A.; Naumov, A. V.; Karimullin, K. R. | ||||
| Title | Energy relaxtation and hot spot formation in superconducting single photon detectors SSPDs | Type | Conference Article | ||
| Year | 2015 | Publication | EPJ Web of Conferences | Abbreviated Journal |
EPJ Web of Conferences |
| Volume | 103 | Issue | Pages | 10004 (1 to 2) | |
| Keywords | SSPD, SNSPD | ||||
| Abstract | We have studied the mechanism of energy relaxation and resistive state formation after absorption of a single photon for different wavelengths and materials of single photon detectors. Our results are in good agreement with the hot spot model. | ||||
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| ISSN | 2100-014X | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1351 | |||
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| Author | Korneeva, Y.; Florya, I.; Semenov, A.; Korneev, A.; Goltsman, G. | ||||
| Title | New generation of nanowire NbN superconducting single-photon detector for mid-infrared | Type | Journal Article | ||
| Year | 2011 | Publication | IEEE Trans. Appl. Supercond. | Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
| Volume | 21 | Issue | 3 | Pages | 323-326 |
| Keywords | SSPD | ||||
| Abstract | We present a break-through approach to mid-infrared single-photon detection based on nanowire NbN superconducting single-photon detectors (SSPD). Although SSPD became a mature technology for telecom wavelengths (1.3-1.55 μm) its further expansion to mid-infrared wavelength was hampered by low sensitivity above 2 μm. We managed to overcome this limit by reducing the nanowire width to 50 nm, while retaining high superconducting properties and connecting the wires in parallel to produce a voltage response of sufficient magnitude. The new device exhibits 10 times better quantum efficiency at 3.5 μm wavelength than the “standard” SSPD. | ||||
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| Notes | Approved | no | |||
| Call Number | RPLAB @ gujma @ | Serial | 644 | ||
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| Author | Korneev, A.; Korneeva, Y.; Florya, I.; Semenov, A.; Goltsman, G. | ||||
| Title | Photon switching statistics in multistrip superconducting single-photon detectors | Type | Journal Article | ||
| Year | 2018 | Publication | IEEE Trans. Appl. Supercond. | Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
| Volume | 28 | Issue | 7 | Pages | 1-4 |
| Keywords | SSPD, SNSPD | ||||
| Abstract | We study photon count statistics in superconducting single-photon detectors consisting of up to 70 narrow superconducting strips connected in parallel. Using interarrival time analysis, we demonstrate that our samples are operated in the “arm-trigger” regime and require up to seven subsequently absorbed photons to form a resistive state in the whole sample. We also performed numerical simulation of the light and dark count rates versus detector bias current, which are in good agreement with the experimental results. | ||||
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| ISSN | 1051-8223 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1304 | |||
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| Author | Korneeva, Y.; Florya, I.; Vdovichev, S.; Moshkova, M.; Simonov, N.; Kaurova, N.; Korneev, A.; Goltsman, G. | ||||
| Title | Comparison of hot spot formation in nbn and mon thin superconducting films after photon absorption | Type | Journal Article | ||
| Year | 2017 | Publication | IEEE Trans. Appl. Supercond. | Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
| Volume | 27 | Issue | 4 | Pages | 1-4 |
| Keywords | MoNx SSPD | ||||
| Abstract | In superconducting single-photon detectors (SSPD), the efficiency of local suppression of superconductivity and hotspot formation is controlled by diffusivity and electron-phonon interaction time. Here, we selected a material, 3.6-nm-thick MoNx film, which features diffusivity close to those of NbN traditionally used for SSPD fabrication, but with electron-phonon interaction time an order of magnitude larger. In MoN ∞ detectors, we study the dependence of detection efficiency on bias current, photon energy, and strip width, and compare it with NbN SSPD. We observe nonlinear current-energy dependence in MoNx SSPD and more pronounced plateaus in dependences of detection efficiency on bias current, which we attribute to longer electron-phonon interaction time. | ||||
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| ISSN | 1051-8223 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1325 | |||
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| Author | Maingault, L.; Tarkhov, M.; Florya, I.; Semenov, A.; Espiau de Lamaëstre, R.; Cavalier, P.; Gol’tsman, G.; Poizat, J.-P.; Villégier, J.-C. | ||||
| Title | Spectral dependency of superconducting single photon detectors | Type | Journal Article | ||
| Year | 2010 | Publication | J. Appl. Phys. | Abbreviated Journal |
J. Appl. Phys. |
| Volume | 107 | Issue | 11 | Pages | 116103 (1 to 3) |
| Keywords | NbN SSPD, SNSPD | ||||
| Abstract | We investigate the effect of varying both incoming optical wavelength and width of NbN nanowires on the superconducting single photon detectors (SSPD) detection efficiency. The SSPD are current biased close to critical value and temperature fixed at 4.2 K, far from transition. The experimental results are found to verify with a good accuracy predictions based on the “hot spot model,” whose size scales with the absorbed photon energy. With larger optical power inducing multiphoton detection regime, the same scaling law remains valid, up to the three-photon regime. We demonstrate the validity of applying a limited number of measurements and using such a simple model to reasonably predict any SSPD behavior among a collection of nanowire device widths at different photon wavelengths. These results set the basis for designing efficient single photon detectors operating in the infrared (2–5 μm range). This work was supported by European projects FP6 STREP “SINPHONIA” (Contract No. NMP4-CT-2005-16433) and IP “QAP” (Contract No. 15848). |
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0021-8979 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1392 | |||
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| Author | Polyakova, M. I.; Florya, I. N.; Semenov, A. V.; Korneev, A. A.; Goltsman, G. N. | ||||
| Title | Extracting hot-spot correlation length from SNSPD tomography data | Type | Conference Article | ||
| Year | 2019 | Publication | J. Phys.: Conf. Ser. | Abbreviated Journal |
J. Phys.: Conf. Ser. |
| Volume | 1410 | Issue | Pages | 012166 (1 to 4) | |
| Keywords | SSPD, SNSPD, quantum detector tomography, QDT | ||||
| Abstract | We present data of quantum detector tomography for the samples specifically optimized for this problem. Using this method, we take results of hot-spot correlation length of 17 ± 2 nm. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1742-6588 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1273 | |||
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| Author | Florya, I. N.; Korneeva, Y. P.; Mikhailov, M. Y.; Devizenko, A. Y.; Korneev, A. A.; Goltsman, G. N. | ||||
| Title | Photon counting statistics of superconducting single-photon detectors made of a three-layer WSi film | Type | Journal Article | ||
| Year | 2018 | Publication | Low Temp. Phys. | Abbreviated Journal |
Low Temp. Phys. |
| Volume | 44 | Issue | 3 | Pages | 221-225 |
| Keywords | WSi SSPD, SNSPD | ||||
| Abstract | Superconducting nanowire single-photon detectors (SNSPD) are used in quantum optics when record-breaking time resolution, high speed, and exceptionally low levels of dark counts (false readings) are required. Their detection efficiency is limited, however, by the absorption coefficient of the ultrathin superconducting film for the detected radiation. One possible way of increasing the detector absorption without limiting its broadband response is to make a detector in the form of several vertically stacked layers and connect them in parallel. For the first time we have studied single-photon detection in a multilayer structure consisting of three superconducting layers of amorphous tungsten silicide (WSi) separated by thin layers of amorphous silicon. Two operating modes of the detector are illustrated: an avalanche regime and an arm-trigger regime. A shift in these modes occurs at currents of ∼0.5–0.6 times the critical current of the detector. This work was supported by technical task No. 88 for scientific research at the National Research University “Higher School of Economics,” Grant No. 14.V25.31.0007 from the Ministry of Education and Science of Russia, and the work of G. N. Goltsman was supported by task No. 3.7328.2017/VU of the Ministry of Education and Science of Russia. |
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| ISSN | 1063-777X | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1310 | |||
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