| Records |
| Author |
Lobanov, Y. V.; Shcherbatenko, M. L.; Semenov, A. V.; Kovalyuk, V. V.; Korneev, A. A.; Goltsman, G. N.; Vinogradov, E. A.; Naumov, A. V.; Gladush, M. G.; Karimullin, K. R. |
| Title |
Heterodyne spectroscopy with superconducting single-photon detector |
Type |
Conference Article |
| Year |
2017 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
| Volume |
132 |
Issue  |
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Pages |
01005 |
| Keywords |
SSPD mixer, SNSPD |
| Abstract |
We demonstrate successful operation of a Superconducting Single Photon Detector (SSPD) as the core element in a heterodyne receiver. Irradiating the SSPD by both a local oscillator power and signal power simultaneously, we observed beat signal at the intermediate frequency of a few MHz. Gain bandwidth was found to coincide with the detector single pulse width, where the latter depends on the detector kinetic inductance, determined by the superconducting nanowire length. |
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2100-014X |
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1205 |
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| Author |
Shcherbatenko, M.; Lobanov, Y.; Semenov, A.; Kovalyuk, V.; Korneev, A.; Ozhegov, R.; Kaurova, N.; Voronov, B.; Goltsman, G. |
| Title |
Coherent detection of weak signals with superconducting nanowire single photon detector at the telecommunication wavelength |
Type |
Conference Article |
| Year |
2017 |
Publication |
Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
| Volume |
10229 |
Issue |
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Pages |
0G (1 to 12) |
| Keywords |
SSPD mixer, SNSPD, coherent detection, weak signal detection, superconducting nanostructures |
| Abstract |
Achievement of the ultimate sensitivity along with a high spectral resolution is one of the frequently addressed problems, as the complication of the applied and fundamental scientific tasks being explored is growing up gradually. In our work, we have investigated performance of a superconducting nanowire photon-counting detector operating in the coherent mode for detection of weak signals at the telecommunication wavelength. Quantum-noise limited sensitivity of the detector was ensured by the nature of the photon-counting detection and restricted by the quantum efficiency of the detector only. Spectral resolution given by the heterodyne technique and was defined by the linewidth and stability of the Local Oscillator (LO). Response bandwidth was found to coincide with the detector’s pulse width, which, in turn, could be controlled by the nanowire length. In addition, the system noise bandwidth was shown to be governed by the electronics/lab equipment, and the detector noise bandwidth is predicted to depend on its jitter. As have been demonstrated, a very small amount of the LO power (of the order of a few picowatts down to hundreds of femtowatts) was required for sufficient detection of the test signal, and eventual optimization could lead to further reduction of the LO power required, which would perfectly suit for the foreseen development of receiver matrices and the need for detection of ultra-low signals at a level of less-than-one-photon per second. |
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Spie |
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Prochazka, I.; Sobolewski, R.; James, R.B. |
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Photon counting applications |
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no |
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10.1117/12.2267724 |
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1201 |
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| Author |
Столяров, А. В. |
| Title |
Программирование. Введение в профессию. Том 3. Системы и сети |
Type |
Book Whole |
| Year |
2017 |
Publication |
МАКС Пресс |
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| Keywords |
programming, computer science |
| Abstract |
В третий том книги «Программирование: введение в профессию» вошли части V–VIII. В части V рассматриваются системные вызовы для ввода-вывода, управление процессами, механизмы взаимодействия процессов, такие как сигналы и каналы, а также понятие терминала и связанные с ним явления, в том числе сеансы и группы процессов, виртуальные терминалы, управление дисциплиной линии. Часть VI посвящена компьютерным сетям; даётся небольшой обзор протоколов, используемых в сети Интернет, рассмотрена подсистема сокетов и событийно-ориентированное построение серверных программ. В части VII рассматриваются вопросы, связанные с разделяемыми данными, критические секции, взаимоисключение; даются базовые сведения о библиотеке pthread. Часть VIII содержит ряд сведений о внутреннем устройстве операционной системы; в частности, рассматриваются различные модели виртуальной памяти, подсистема ввода-вывода и т.п. |
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Москва |
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978-5-317-05606-3 |
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no |
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1136 |
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| Author |
Столяров, А. В. |
| Title |
Программирование. Введение в профессию. Примеры программ |
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Miscellaneous |
| Year |
2017 |
Publication |
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programming, computer science |
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1137 |
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| Author |
Wördenweber, Roger; Moshchalkov, Victor; Bending, Simon; Tafuri, Francesco (eds) |
| Title |
Superconductors at the nanoscale. From basic research to applications |
Type |
Book Whole |
| Year |
2017 |
Publication |
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| Publisher |
Walter de Gruyter GmbH |
Place of Publication |
Berlin/Boston |
Editor |
Wördenweber, Roger; Moshchalkov, Victor; Bending, Simon; Tafuri, Francesco |
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978-3-11-045620-2 |
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Page shift = 14 |
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1139 |
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