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Author  |
Moshkova, M.; Divochiy, A.; Morozov, P.; Vakhtomin, Y.; Antipov, A.; Zolotov, P.; Seleznev, V.; Ahmetov, M.; Smirnov, K. | ||||
| Title | High-performance superconducting photon-number-resolving detectors with 86% system efficiency at telecom range | Type | Journal Article | ||
| Year | 2019 | Publication | J. Opt. Soc. Am. B | Abbreviated Journal | J. Opt. Soc. Am. B |
| Volume | 36 | Issue | 3 | Pages | B20 |
| Keywords | NbN PNR SSPD, SNSPD | ||||
| Abstract | The use of improved fabrication technology, highly disordered NbN thin films, and intertwined section topology makes it possible to create high-performance photon-number-resolving superconducting single-photon detectors (PNR SSPDs) that are comparable to conventional single-element SSPDs at the telecom range. The developed four-section PNR SSPD has simultaneously an 86±3% system detection efficiency, 35 cps dark count rate, ∼2 ns dead time, and maximum 90 ps jitter. An investigation of the PNR SSPD’s detection efficiency for multiphoton events shows good uniformity across sections. As a result, such a PNR SSPD is a good candidate for retrieving the photon statistics for light sources and quantum key distribution systems. | ||||
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| ISSN | 0740-3224 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1225 | |||
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