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Yagoubov, P.; Hoogeveen, R.; Torgashin, M.; Khudchenko, A.; Koshelets, V.; Suttiwong, N.; Wagner, G.; Birk M. |
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550-650 GHz spectrometer development for TELIS |
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Conference Article |
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2006 |
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Proc. 17th Int. Symp. Space Terahertz Technol. |
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338-341 |
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SIR |
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528 |
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Dieleman, Piter |
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Fundamental limitations of THz niobium and niobiumnitride SIS mixers |
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1998 |
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SIS |
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Ph.D. thesis |
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Rijksuniversiteit, Groningen |
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529 |
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Murk, A.; Kämpfer, N.; Wylde, R.; Inatani, J.; Manabe, T.; Seta, M. |
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Characterization of various quasi-optical components for the submillimeter limb-sounder SMILES |
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2001 |
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Proc. 12th Int. Symp. Space Terahertz Technol. |
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426-435 |
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limb-sounder |
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530 |
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Korneev, A.; Kouminov, P.; Matvienko, V.; Chulkova, G.; Smirnov, K.; Voronov, B.; Gol'tsman, G. N.; Currie, M.; Lo, W.; Wilsher, K.; Zhang, J.; Słysz, W.; Pearlman, A.; Verevkin, A.; Sobolewski, Roman |
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Title |
Sensitivity and gigahertz counting performance of NbN superconducting single-photon detectors |
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2004 |
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Appl. Phys. Lett. |
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Appl. Phys. Lett. |
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84 |
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26 |
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5338-5340 |
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SSPD, NEP, QE |
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We have measured the quantum efficiencysQEd, GHz counting rate, jitter, and noise-equivalentpowersNEPdof nanostructured NbN superconducting single-photon detectorssSSPDsdin thevisible to infrared radiation range. Our 3.5-nm-thick and 100- to 200-nm-wide meander-typedevices(total area 10310mm2), operating at 4.2 K, exhibit an experimental QE of up to 20% inthe visible range and,10% at 1.3 to 1.55mm wavelength and are potentially sensitive up tomidinfrareds,10mmdradiation. The SSPD counting rate was measured to be above 2 GHz withjitter,18 ps, independent of the wavelength. The devices’ NEP varies from,10−17W/Hz1/2for1.55mm photons to,10−20W/Hz1/2for visible radiation. Lowering the SSPD operatingtemperature to 2.3 K significantly enhanced its performance, by increasing the QE to,20% andlowering the NEP level to,3310−22W/Hz1/2, both measured at 1.26mm wavelength. |
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0003-6951 |
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532 |
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Hadfield, Robert. H.; Habif, Jonathan L.; Schlafer, John; Schwall, Robert. E.; Nam, Sae Woo |
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Title |
Quantum key distribution at 1550 nm with twin superconducting single-photon detectors |
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2006 |
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Applied Physics Letters |
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Appl. Phys. Lett. |
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89 |
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24 |
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241129 |
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SSPD, quantum cryptography |
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0003-6951 |
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