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Engel, Andreas; Aeschbacher, Adrian; Inderbitzin, Kevin; Schilling, Andreas; Il'in, Konstantin; Hofherr, Matthias; Siegel, Michael; Semenov, Alexei; Hübers, Heinz-Wilhelm |
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Title |
Tantalum nitride superconducting single-photon detectors with low cut-off energy |
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Journal Article |
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2011 |
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arXiv |
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arXiv |
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9 |
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SSPD |
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Abstract |
Materials with a small superconducting energy gap favor a high detection efficiency of low-energy photons in superconducting nanowire single-photon detectors. We developed a TaN detector with smaller gap and lower density of states at the Fermi energy than in comparable NbN devices, while other relevant parameters remain essentially unchanged. This results in a reduction of the minimum photon energy required for direct detection to $\approx1/3$ as compared to NbN. |
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arXiv:1110.4576 |
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RPLAB @ gujma @ |
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687 |
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Author |
Semenov, Alexei D.; Richter, Heiko; Hubers, Heinz-Wilhelm; Gunther, Burghardt.; Smirnov, Andrey; Il'in, Konstantin S.; Siegel, Michael; Karamarkovic, Jugoslav P. |
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Title |
Terahertz performance of integrated lens antennas with a hot-electron bolometer |
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Journal Article |
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Year |
2007 |
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IEEE Trans. Microw. Theory Techn. |
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55 |
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2 |
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239-247 |
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HEB, lens antenna |
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0018-9480 |
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