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Shcheslavskiy, V.; Morozov, P.; Divochiy, A.; Vakhtomin, Yu.; Smirnov, K.; Becker, W. |
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Ultrafast time measurements by time-correlated single photon counting coupled with superconducting single photon detector |
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2016 |
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Rev. Sci. Instrum. |
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87 |
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053117 (1 to 5) |
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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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Gupta, D.; Kadin, A. M. |
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Title |
Single-photon-counting hotspot detector with integrated RSFQ readout electronics |
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1999 |
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IEEE Trans. Appl. Supercond. |
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9 |
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2 |
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4487-4490 |
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RSFQ, SSPD, SNSPD |
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Absorption of an infrared photon in an ultrathin film (such as 10-nm NbN) creates a localized nonequilibrium hotspot on the submicron length scale and sub-ns time scale. If a strip /spl sim/1 /spl mu/m wide is biased in the middle of the superconducting transition, this hotspot will lead to a resistance pulse with amplitude proportional to the energy of the incident photon. This resistance pulse, in turn, can be converted to a current pulse and inductively coupled to a SQUID amplifier with a digitized output, operating at 4 K or above. A preliminary design analysis indicates that this data can be processed on-chip, using ultrafast RSFQ digital circuits, to obtain a sensitive infrared detector for wavelengths up to 10 /spl mu/m and beyond, with bandwidth of 1 GHz, that counts individual photons and measures their energy with 25 meV resolution. This proposed device combines the speed of a hot-electron bolometer with the single-photon-counting ability of a transition-edge microcalorimeter, to obtain an infrared detector with sensitivity, speed, and spectral selectivity that are unmatched by any alternative technology. |
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1080 |
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Steudle, Gesine A.; Schietinger, Stefan; Höckel, David; Dorenbos, Sander N.; Zadeh, Iman E.; Zwiller, Valery; Benson, Oliver |
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Measuring the quantum nature of light with a single source and a single detector |
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2012 |
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Phys. Rev. A |
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86 |
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5 |
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053814 |
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SSPD, SNSPD, saturation count rates, dead time, dynamic range |
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An elementary experiment in optics consists of a light source and a detector. Yet, if the source generates nonclassical correlations such an experiment is capable of unambiguously demonstrating the quantum nature of light. We realized such an experiment with a defect center in diamond and a superconducting detector. Previous experiments relied on more complex setups, such as the Hanbury Brown and Twiss configuration, where a beam splitter directs light to two photodetectors, creating the false impression that the beam splitter is a fundamentally required element. As an additional benefit, our results provide a simplification of the widely used photon-correlation techniques. |
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American Physical Society |
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1089 |
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Семенов, Александр Владимирович |
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Проскальзывание фазы, поглощение электромагнитного излучения и формирование отклика в детекторах на основе узких полосок сверхпроводников |
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2010 |
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М. МПГУ |
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SSPD, SNSPD, response |
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Ph.D. thesis |
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Russian |
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1150 |
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Fedder, H.; Oesterwind, S.; Wick, M.; Olbrich, F.; Michler, P.; Veigel, T.; Berroth, M.; Schlagmüller, M. |
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Characterization of electro-optical devices with low jitter single photon detectors – towards an optical sampling oscilloscope beyond 100 GHz |
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2018 |
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ECOC |
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1-3 |
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SSPD, SNSPD, SPAD |
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We showcase an optical random sampling scope that exploits single photon counting and apply it to characterize optical transceivers. We study single photon detectors with a jitter down to 40 ps. The method can be extended beyond 100 GHz. |
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8535415 |
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1198 |
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