Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux
We studied the effects of the external magnetic field and photon flux on timing jitter in photon detection by straight superconducting NbN nanowires. At two wavelengths 800 and 1560 nm, statistical distribution in the appearance times of photon counts exhibits Gaussian shape at small times and an ex...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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American Physical Society
2018
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| Online Access: | http://hdl.handle.net/1721.1/118885 |
| _version_ | 1826204565707423744 |
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| author | Sidorova, Mariia Semenov, Alexej Hübers, Heinz-Wilhelm Kuzmin, Artem Doerner, Steffen Ilin, K. Siegel, Michael Vodolazov, Denis Charaev, Ilya |
| author2 | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science |
| author_facet | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Sidorova, Mariia Semenov, Alexej Hübers, Heinz-Wilhelm Kuzmin, Artem Doerner, Steffen Ilin, K. Siegel, Michael Vodolazov, Denis Charaev, Ilya |
| author_sort | Sidorova, Mariia |
| collection | MIT |
| description | We studied the effects of the external magnetic field and photon flux on timing jitter in photon detection by straight superconducting NbN nanowires. At two wavelengths 800 and 1560 nm, statistical distribution in the appearance times of photon counts exhibits Gaussian shape at small times and an exponential tail at large times. The characteristic exponential time is larger for photons with smaller energy and increases with external magnetic field while variations in the Gaussian part of the distribution are less pronounced. Increasing photon flux drives the nanowire from the discrete quantum detection regime to the uniform bolometric regime that averages out fluctuations of the total number of nonequilibrium electrons created by the photon and drastically reduces jitter. The difference between standard deviations of Gaussian parts of distributions for these two regimes provides the measure for the strength of electron-number fluctuations; it increases with the photon energy. We show that the two-dimensional hot-spot detection model explains qualitatively the effect of magnetic field. |
| first_indexed | 2024-09-23T12:57:30Z |
| format | Article |
| id | mit-1721.1/118885 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T12:57:30Z |
| publishDate | 2018 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | mit-1721.1/1188852022-10-01T12:09:59Z Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux Sidorova, Mariia Semenov, Alexej Hübers, Heinz-Wilhelm Kuzmin, Artem Doerner, Steffen Ilin, K. Siegel, Michael Vodolazov, Denis Charaev, Ilya Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology. Research Laboratory of Electronics Charaev, Ilya We studied the effects of the external magnetic field and photon flux on timing jitter in photon detection by straight superconducting NbN nanowires. At two wavelengths 800 and 1560 nm, statistical distribution in the appearance times of photon counts exhibits Gaussian shape at small times and an exponential tail at large times. The characteristic exponential time is larger for photons with smaller energy and increases with external magnetic field while variations in the Gaussian part of the distribution are less pronounced. Increasing photon flux drives the nanowire from the discrete quantum detection regime to the uniform bolometric regime that averages out fluctuations of the total number of nonequilibrium electrons created by the photon and drastically reduces jitter. The difference between standard deviations of Gaussian parts of distributions for these two regimes provides the measure for the strength of electron-number fluctuations; it increases with the photon energy. We show that the two-dimensional hot-spot detection model explains qualitatively the effect of magnetic field. 2018-11-05T18:18:09Z 2018-11-05T18:18:09Z 2018-10 2018-08 2018-10-13T18:01:15Z Article http://purl.org/eprint/type/JournalArticle 2469-9950 2469-9969 http://hdl.handle.net/1721.1/118885 Sidorova, Mariia et al. "Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux." Physical Review B 98, 13 (October 2018): 134504 © 2018 American Physical Society en http://dx.doi.org/10.1103/PhysRevB.98.134504 Physical Review B Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. American Physical Society application/pdf American Physical Society American Physical Society |
| spellingShingle | Sidorova, Mariia Semenov, Alexej Hübers, Heinz-Wilhelm Kuzmin, Artem Doerner, Steffen Ilin, K. Siegel, Michael Vodolazov, Denis Charaev, Ilya Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux |
| title | Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux |
| title_full | Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux |
| title_fullStr | Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux |
| title_full_unstemmed | Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux |
| title_short | Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux |
| title_sort | timing jitter in photon detection by straight superconducting nanowires effect of magnetic field and photon flux |
| url | http://hdl.handle.net/1721.1/118885 |
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