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Jackson, B. D., Baryshev, A. M., de Lange, G., Gao, J. R., Shitov, S. V., Iosad, N. N., et al. (2001). Low-noise 1 THz superconductor-insulator-superconductor mixer incorporating a NbTiN/SiO2/Al tuning circuit. Appl. Phys. Lett., 79(3), 436.
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Gol’tsman, G. N., Okunev, O., Chulkova, G., Lipatov, A., Semenov, A., Smirnov, K., et al. (2001). Picosecond superconducting single-photon optical detector. Appl. Phys. Lett., 79(6), 705–707.
Abstract: We experimentally demonstrate a supercurrent-assisted, hotspot-formation mechanism for ultrafast detection and counting of visible and infrared photons. A photon-induced hotspot leads to a temporary formation of a resistive barrier across the superconducting sensor strip and results in an easily measurable voltage pulse. Subsequent hotspot healing in ∼30 ps time frame, restores the superconductivity (zero-voltage state), and the detector is ready to register another photon. Our device consists of an ultrathin, very narrow NbN strip, maintained at 4.2 K and current-biased close to the critical current. It exhibits an experimentally measured quantum efficiency of ∼20% for 0.81 μm wavelength photons and negligible dark counts.
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Kroug, M. (2001). Hot electron bolometric mixers for a quasi-optical terahertz receiver. Ph.D. thesis, , Chalmers University of Technology, Gothenburg, Sweden.
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(2001). ГОСТ 2.102-68. ЕСКД. Виды и комплектность конструкторских документов.
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(2001). ГОСТ 19.301-2000. ЕСКД. Программа и методика испытаний. Требования к содержанию, оформлению и контролю качества.
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