| Records |
| 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 |
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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 |
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Serial |
1351 |
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| Author |
Korneev, A.; Divochiy, A.; Tarkhov, M.; Minaeva, O.; Seleznev, V.; Kaurova, N.; Voronov, B.; Okunev, O.; Chulkova, G.; Milostnaya, I.; Smirnov, K.; Gol'tsman, G. |
| Title |
New advanced generation of superconducting NbN-nanowire single-photon detectors capable of photon number resolving |
Type |
Conference Article |
| Year |
2008 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
| Volume |
97 |
Issue |
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Pages |
012307 (1 to 6) |
| Keywords |
PNR SSPD; SNSPD |
| Abstract |
We present our latest generation of ultrafast superconducting NbN single-photon detectors (SSPD) capable of photon-number resolving (PNR). We have developed, fabricated and tested a multi-sectional design of NbN nanowire structures. The novel SSPD structures consist of several meander sections connected in parallel, each having a resistor connected in series. The novel SSPDs combine 10 μm × 10 μm active areas with a low kinetic inductance and PNR capability. That resulted in a significantly reduced photoresponse pulse duration, allowing for GHz counting rates. The detector's response magnitude is directly proportional to the number of incident photons, which makes this feature easy to use. We present experimental data on the performances of the PNR SSPDs. The PNR SSPDs are perfectly suited for fibreless free-space telecommunications, as well as for ultrafast quantum cryptography and quantum computing. |
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| ISSN |
1742-6596 |
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no |
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Serial |
1245 |
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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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2469-9950 |
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no |
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1305 |
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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 |
| Title |
Coherent dynamics and decoherence in a superconducting weak link |
Type |
Journal Article |
| Year |
2016 |
Publication |
Physic. Rev. B, |
Abbreviated Journal |
Physic. Rev. B, |
| Volume |
94 |
Issue |
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Pages |
180508 |
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RPLAB @ akorneev @ |
Serial |
1123 |
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| Author |
Tarkhov, M.; Claudon, J.; Poizat, J. Ph.; Korneev, A.; Divochiy, A.; Minaeva, O.; Seleznev, V.; Kaurova, N.; Voronov, B.; Semenov, A. V.; Gol'tsman, G. |
| Title |
Ultrafast reset time of superconducting single photon detectors |
Type |
Journal Article |
| Year |
2008 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal |
Appl. Phys. Lett. |
| Volume |
92 |
Issue |
24 |
Pages |
241112 (1 to 3) |
| Keywords |
SSPD, SNSPD |
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| ISSN |
0003-6951 |
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no |
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Serial |
429 |
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