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Author |
Братман, В.Л.; Литвак, А.Г.; Суворов, Е.В. |
Title |
Освоение терагерцевого диапазона: источники и приложения |
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Journal Article |
Year |
2010 |
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Успехи физических наук |
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Успехи физ. наук |
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181 |
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8 |
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867–874 |
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HEB |
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RPLAB @ gujma @ |
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674 |
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Author |
Driessen, Eduard Frans Clemens |
Title |
Coupling light to periodic nanostructures |
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Journal Article |
Year |
2009 |
Publication |
Faculty of Science, Leiden University |
Abbreviated Journal |
Fac. Scien., Leiden Un. |
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144 |
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SSPD |
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Issue Date: 2009-09-24 |
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no |
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RPLAB @ gujma @ |
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675 |
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Author |
Wang, Zhen; Miki, S.; Fujiwara, M. |
Title |
Superconducting nanowire single-photon detectors for quantum information and communications |
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Journal Article |
Year |
2009 |
Publication |
IEEE J. Sel. Topics Quantum Electron. |
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Volume |
15 |
Issue |
6 |
Pages |
1741-1747 |
Keywords |
SSPD |
Abstract |
Superconducting nanowire single-photon detectors (SNSPDs or SSPD) are highly promising devices in the growing field of quantum information and communications technology. We have developed a practical SSPD system with our superconducting thin films and devices fabrication, optical coupling packaging, and cryogenic technology. The SSPD system consists of six-channel SSPD devices and a compact Gifford-McMahon (GM) cryocooler, and can operate continuously on 100 V ac power without the need for any cryogens. The SSPD devices were fabricated from high-quality niobium nitride (NbN) ultrathin films that were epitaxially grown on single-crystal MgO substrates. The packaged SSPD devices were temperature stabilized to 2.96 K ± 10 mK. The system detection efficiency for an SSPD device with an area of 20 × 20 ¿m2 was found to be 2.6% and 4.5% at wavelengths of 1550 and 1310 nm, respectively, at a dark count rate of 100 Hz, and a jitter of 100 ps full-width at half maximum. We also performed ultrafast BB84 quantum key distribution (QKD) field testing and entanglement-based QKD experiments using these SSPD devices. |
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RPLAB @ gujma @ |
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676 |
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Yang, J.K.W.; Kerman, A.J.; Dauler, E.A.; Cord, B.; Anant, V.; Molnar, R.J.; Berggren, K.K. |
Title |
Suppressed critical current in superconducting nanowire single-photon detectors with high fill-factors |
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Journal Article |
Year |
2009 |
Publication |
IEEE Trans. Appl. Supercond. |
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19 |
Issue |
3 |
Pages |
318-322 |
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SNSPD |
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In this work we present a new fabrication process that enabled the fabrication of superconducting nanowire single photon detectors SNSPD with fill-factors as high as 88% with gaps between nanowires as small as 12 nm. This fabrication process combined high-resolution electron-beam lithography with photolithography. Although this work was motivated by the potential of increased detection efficiency with higher fill-factor devices, test results showed an unexpected systematic suppression in device critical currents with increasing fill-factor. |
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RPLAB @ gujma @ |
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677 |
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Author |
Hadfield, Robert H. |
Title |
Single-photon detectors for optical quantum information applications |
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Journal Article |
Year |
2009 |
Publication |
Nature Photonics |
Abbreviated Journal |
Nature Photonics |
Volume |
3 |
Issue |
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Pages |
696-705 |
Keywords |
SPD |
Abstract |
The past decade has seen a dramatic increase in interest in new single-photon detector technologies. A major cause of this trend has undoubtedly been the push towards optical quantum information applications such as quantum key distribution. These new applications place extreme demands on detector performance that go beyond the capabilities of established single-photon detectors. There has been considerable effort to improve conventional photon-counting detectors and to transform new device concepts into workable technologies for optical quantum information applications. This Review aims to highlight the significant recent progress made in improving single-photon detector technologies, and the impact that these developments will have on quantum optics and quantum information science. |
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RPLAB @ gujma @ |
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678 |
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