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Kitaeva, G. K.; Kornienko, V. V.; Kuznetsov, K. A.; Pentin, I. V.; Smirnov, K. V.; Vakhtomin, Y. B. |
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Direct detection of the idler THz radiation generated by spontaneous parametric down-conversion |
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Journal Article |
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2019 |
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Opt. Lett. |
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Opt. Lett. |
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44 |
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5 |
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1198-1201 |
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HEB applications |
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We study parametric down-conversion (PDC) of optical laser radiation in the strongly frequency non-degenerate regime which is promising for the generation of quantum-correlated pairs of extremely different spectral ranges, the optical and the terahertz (THz) ones. The possibility to detect tenuous THz-frequency photon fluxes generated under low-gain spontaneous PDC is demonstrated using a hot electron bolometer. Then experimental dependences of the THz radiation power on the detection angle and on the pump intensity are analyzed. |
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0146-9592 |
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PMID:30821747 |
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1801 |
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Ryabchun, S. A.; Tretyakov, I. V.; Pentin, I. V.; Kaurova, N. S.; Seleznev, V. A.; Voronov, B. M.; Finkel, M. I.; Maslennikov, S. N.; Gol'tsman, G. N. |
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Title |
Low-noise wide-band hot-electron bolometer mixer based on an NbN film |
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Journal Article |
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2009 |
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Radiophys. Quant. Electron. |
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52 |
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8 |
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576-582 |
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HEB mixer, in-situ contacts, noise temperature, conversion gain bandwidth, diffusion cooling channel |
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We develop and study a hot-electron bolometer mixer made of a two-layer NbN–Au film in situ deposited on a silicon substrate. The double-sideband noise temperature of the mixer is 750 K at a frequency of 2.5 THz. The conversion efficiency measurements show that at the superconducting transition temperature, the intermediate-frequency bandwidth amounts to about 6.5 GHz for a mixer 0.112 μm long. These record-breaking characteristics are attributed to the improved contacts between a sensitive element and a helical antenna and are reached due to using the in situ deposition of NbN and Au layers at certain stages of the process. |
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599 |
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Rasulova, G. K.; Brunkov, P. N.; Pentin, I. V.; Kovalyuk, V. V.; Gorshkov, K. N.; Kazakov, A. Y.; Ivanov, S. Y.; Egorov, A. Y.; Sakseev, D. A.; Konnikov, S. G. |
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Mutual synchronization of two coupled self-oscillators based on GaAs/AlGaAs superlattices |
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2011 |
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Tech. Phys. |
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Tech. Phys. |
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56 |
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6 |
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826-830 |
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GaAs/AlGaAs superlattices |
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The interaction of self-oscillators based on 30-period weakly coupled GaAs/AlGaAs superlattices is studied. The action of one self-oscillator on the other was observed for a constant bias voltage in the absence of generation of self-sustained oscillations in one of the oscillators. It is shown that induced oscillations in a forced oscillator appear due to excitation of oscillations in the system of coupled oscillators forming the electric-field domain wall at the frequency of one of the higher harmonics of a forcing oscillation. |
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1063-7842 |
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1214 |
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Pentin, I. V.; Smirnov, A. V.; Ryabchun, S. A.; Ozhegov, R. V.; Gol’tsman, G. N.; Vaks, V. L.; Pripolzin, S. I.; Pavel’ev, D. G.; Koshurinov, Y. I.; Ivanov, A. S. |
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Semiconducting superlattice as a solid-state terahertz local oscillator for NbN hot-electron bolometer mixers |
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2012 |
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Tech. Phys. |
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Tech. Phys. |
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57 |
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7 |
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971-974 |
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semiconducting superlattice frequency multiplier, NbN HEB mixers |
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We present the results of our studies of the semiconducting superlattice (SSL) frequency multiplier and its application as part of the solid state local oscillator (LO) in the terahertz heterodyne receiver based on a NbN hot-electron bolometer (HEB) mixer. We show that the SSL output power level increases as the ambient temperature is lowered to 4.2 K, the standard HEB operation temperature. |
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1063-7842 |
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1378 |
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Smirnov, K. V.; Vakhtomin, Yu. B.; Divochiy, A. V.; Ozhegov, R. V.; Pentin, I. V.; Gol'tsman, G. N. |
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Infrared and terahertz detectors on basis of superconducting nanostructures |
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2010 |
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Microwave and Telecom. Technol. (CriMiCo), 20th Int. Crimean Conf. |
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823-824 |
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SSPD, SNSPD, HEB |
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Results of development of single-photon receiving systems of visible, infrared and terahertz range based on thin-film superconducting nanostructures are presented. The receiving systems are produced on the basis of superconducting nanostructures, which function by means of hot-electron phenomena. |
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IEEE |
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RPLAB @ sasha @ smirnov2010infrared |
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1025 |
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