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Gershenzon E, Gershenzon ME, Gol'tsman GN, Semenov AD, Sergeev AV. Heating of quasiparticles in a superconducting film in the resistive state. JETP Lett. 1981;34(5):268–71.
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Gershenzon EM, Gol'tsman GN, Multanovskii VV, Ptitsina NG. Cross section for binding of free carriers into excitons in germanium. JETP Lett. 1981;33(11):574.
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Gershenzon EM, Gol'tsman GN, Semenov AD, Sergeev AV. Heating of electrons in resistive state of superconducting films. Detectors, mixers and switches. In: Progress in High Temperature Superconductivity. Vol 32.; 1992. p. 190–5.
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Gershenzon EM, Gol'tsman GN, Mirskii GI. Submillimeter backward-wave-tube spectrometer-relaxometer. Pribory i Tekhnika Eksperimenta. 1987;30(4):131–7.
Abstract: A backward-wave-tube (BWT) spectrometer-relaxometer is described that is designed for study of the relaxation characteristics of photoconductors in the wavelength range of 2-0.25 mm – in particular, to measure the relaxation times of the submillimeter photoconductivity of germanium in the range of 10[sup:-4]-10[sup:-9] sec and to determine from these data the concentration of compensating impurities of from 10[sup:10] to 10[sup:14] cm[sup:-3]. The instrument uses the beats of the oscillations of two BWTs and records the amplitude-frequency response of the specimen with variation of the beat frequency from 10[sup:4] to 10[sup:8] Hz with accumulation of the desired signal for less than or equal to1 sec by means of a quadrature synchronous detector. The beat frequency is stabilized and the quadrature voltages of the synchronous detector are formed by means of phase-locked loops.
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Polyakova M, Semenov AV, Kovalyuk V, Ferrari S, Pernice WHP, Gol'tsman GN. Protocol of measuring hot-spot correlation length for SNSPDs with near-unity detection efficiency. IEEE Trans Appl Supercond. 2019;29(5):1–5.
Abstract: We present a simple quantum detector tomography protocol, which allows, without ambiguities, to measure the two-spot detection efficiency and extract the hot-spot interaction length of superconducting nanowire single photon detectors (SNSPDs) with unity intrinsic detection efficiency. We identify a significant parasitic contribution to the measured two-spot efficiency, related to an effect of the bias circuit, and find a way to rule out this contribution during data post-processing and directly in the experiment. From the data analysis for waveguide-integrated SNSPD, we find signatures of the saturation of the two-spot efficiency and hot-spot interaction length of order of 100 nm.
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