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Gousev, Y. P.; Semenov, A. D.; Gol'tsman, G. N.; Sergeev, A. V.; Gershenzon, E. M. |
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Title |
Electron-phonon interaction in disordered NbN films |
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Journal Article |
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Year |
1994 |
Publication |
Phys. B Condens. Mat. |
Abbreviated Journal |
Phys. B Condens. Mat. |
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194-196 |
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1355-1356 |
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Keywords |
NbN films |
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Abstract |
Electron-phonon interaction time has been investigated in disordered films of NbN. A temperatures below 5.5 K tau_eph ~ T -1"6 which is attributed to the renormalisation of phonon spectrum in thin films. |
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0921-4526 |
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1649 |
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Korneev, A.; Kovalyuk, V.; An, P.; Golikov, A.; Zubkova, E.; Ferrari, S.; Kahl, O.; Pernice, W.; Goltsman, G.; Naumov, A. V.; Gladush, M. G.; Karimullin, K. R. |
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Title |
Superconducting single-photon detector for integrated waveguide spectrometer |
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Conference Article |
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Year |
2018 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
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Volume |
190 |
Issue |
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Pages |
04009 |
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Keywords |
SSPD, SNSPD, Si3N4 waveguides, waveguide spectrometer |
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Abstract |
We present our recent achievements in the development of an on-chip spectrometer consisting of arrayed waveguide grating made of Si3N4 waveguides and NbN superconducting single-photon detector. |
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2100-014X |
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1199 |
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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. |
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Title |
Single photon detection in micron scale NbN and α-MoSi superconducting strips |
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Conference Article |
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2018 |
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EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
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Volume |
190 |
Issue |
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Pages |
04010 (1 to 2) |
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Keywords |
SSPD |
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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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2100-014X |
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1319 |
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Goltsman, G.; Naumov, A. V.; Gladush, M. G.; Karimullin, K. R. |
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Title |
Quantum photonic integrated circuits with waveguide integrated superconducting nanowire single-photon detectors |
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Conference Article |
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2018 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
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Volume |
190 |
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02004 (1 to 2) |
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Keywords |
waveguide SSPD, SNSPD |
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Abstract |
We show the design, a history of development as well as the most successful and promising approaches for QPICs realization based on hybrid nanophotonic-superconducting devices, where one of the key elements of such a circuit is a waveguide integrated superconducting single-photon detector (WSSPD). The potential of integration with fluorescent molecules is discussed also. |
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2100-014X |
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1320 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Gogidze, I. G.; Semenov, A. D.; Sergeev, A. V. |
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Title |
Processes of electron-phonon interaction in thin YBaCuO films |
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Journal Article |
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Year |
1991 |
Publication |
Phys. C: Supercond. |
Abbreviated Journal |
Phys. C: Supercond. |
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Volume |
185-189 |
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1371-1372 |
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Keywords |
YBCO HTS detectors |
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Abstract |
The ultrafast voltage response of YBaCuO films to laser radiation is studied and compared with previously investigated quasiparicles response to radiation of submillimeter wavelength range. Voltage shift under the visible light radiation has two components. Picosecond response realized as suppression superconductivity by nonequilibrium excess quasiparticles, response time is determined by quasiparticles recombination rate. Nanosecond response is probably due to bolometric effect. |
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ISSN |
0921-4534 |
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1676 |
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