| Records |
| Author |
Driessen, E. F. C.; Braakman, F. R.; Reiger, E. M.; Dorenbos, S. N.; Zwiller, V.; de Dood, M. J. A. |
| Title |
Impedance model for the polarization-dependent optical absorption of superconducting single-photon detectors |
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Journal Article |
| Year |
2009 |
Publication |
Eur. Phys. J. Appl. Phys. |
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| Volume |
47 |
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Pages |
10701 |
| Keywords |
SSPD, SNSPD |
| Abstract |
We measured the single-photon detection efficiency of NbN superconducting single-photon detectors as a function of the polarization state of the incident light for different wavelengths in the range from 488 nm to 1550 nm. The polarization contrast varies from ~% at 488 nm to~0% at 1550 nm, in good agreement with numerical calculations. We use an optical-impedance model to describe the absorption for polarization parallel to the wires of the detector. For the extremely lossy NbN material, the absorption can be kept constant by keeping the product of layer thickness and filling factor constant. As a consequence, the maximum possible absorption is independent of filling factor. By illuminating the detector through the substrate, an absorption efficiency of ~0% can be reached for a detector on Si or GaAs, without the need for an optical cavity. |
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English |
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RPLAB @ alex_kazakov @ |
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1062 |
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| Author |
Тархов, Михаил Александрович |
| Title |
Разработка сверхпроводниковых однофотонных детекторов с повышенной спектральной чувствительностью и быстродействием |
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Manuscript |
| Year |
2016 |
Publication |
М. НИЦ “Курчатовский институт” |
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1-103 |
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SSPD |
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| Address |
123182, Россия, Москва, пл. Академика И. В. Курчатова, 1 |
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Ph.D. thesis |
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НИЦ "Курчатовский институт" |
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1064 |
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| Author |
Тархов, Михаил Александрович |
| Title |
Разработка сверхпроводниковых однофотонных детекторов с повышенной спектральной чувствительностью и быстродействием. Автореферат |
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Manuscript |
| Year |
2016 |
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М. НИЦ “Курчатовский институт” |
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1-30 |
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SSPD |
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1065 |
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Shcheslavskiy, V.; Morozov, P.; Divochiy, A.; Vakhtomin, Yu.; Smirnov, K.; Becker, W. |
| Title |
Ultrafast time measurements by time-correlated single photon counting coupled with superconducting single photon detector |
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Journal Article |
| Year |
2016 |
Publication |
Rev. Sci. Instrum. |
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87 |
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053117 (1 to 5) |
| Keywords |
SSPD, SNSPD, TCSPC, jitter |
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Time resolution is one of the main characteristics of the single photon detectors besides quantum efficiency and dark count rate. We demonstrate here an ultrafast time-correlated single photon counting (TCSPC) setup consisting of a newly developed single photon counting board SPC-150NX and a superconducting NbN single photon detector with a sensitive area of 7 × 7 μm. The combination delivers a record instrument response function with a full width at half maximum of 17.8 ps and system quantum efficiency ~5% at wavelength of 1560 nm. A calculation of the root mean square value of the timing jitter for channels with counts more than 1% of the peak value yielded about 7.6 ps. The setup has also good timing stability of the detector–TCSPC board. |
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1077 |
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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 |
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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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no |
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1205 |
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