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Vachtomin, Y. B.; Antipov, S. V.; Maslennikov, S. N.; Smirnov, K. V.; Polyakov, S. L.; Zhang, W.; Svechnikov, S. I.; Kaurova, N. S.; Grishina, E. V.; Voronov, B. M.; Gol’tsman, G. N. |
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Title  |
Quasioptical hot electron bolometer mixers based on thin NBN films for terahertz region |
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Conference Article |
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2006 |
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Proc. 16th Int. Crimean Microwave and Telecommunication Technology |
Abbreviated Journal |
Proc. 16th Int. Crimean Microwave and Telecommunication Technology |
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2 |
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688-689 |
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NbN HEB mixers |
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Abstract |
Presented in this paper are the performances of HEB mixers based on 2-3.5 nm thick NbN films integrated with log-periodic spiral antenna. Double side-band receiver noise temperature values are 1300 K and 3100 K at 2.5 THz and at 3.8 THz, respectively. Mixer gain bandwidth is 5.2 GHz. Local oscillator power is 1-3 muW for mixers with different active area |
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Russian |
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1445 |
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Glejm, A. V.; Anisimov, A. A.; Asnis, L. N.; Vakhtomin, Yu. B.; Divochiy, A. V.; Egorov, V. I.; Kovalyuk, V. V.; Korneev, A. A.; Kynev, S. M.; Nazarov, Yu. V.; Ozhegov, R. V.; Rupasov, A. V.; Smirnov, K. V.; Smirnov, M. A.; Goltsman, G. N.; Kozlov, S. A. |
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Title |
Quantum key distribution in an optical fiber at distances of up to 200 km and a bit rate of 180 bit/s |
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Journal Article |
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2014 |
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Bulletin of the Russian Academy of Sciences. Physics |
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78 |
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3 |
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171-175 |
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SSPD, SNSPD, applications |
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An experimental demonstration of a subcarrier-wave quantum cryptography system with superconducting single-photon detectors (SSPDs) that distributes a secure key in a single-mode fiber at distance of 25 km with a bit rate of 800 kbit/s, a distance of 100 km with a bit rate of 19 kbit/s, and a distance of 200 km with a bit rate of 0.18 kbit/s is described. |
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1062-8738 |
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RPLAB @ kovalyuk @ |
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940 |
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Rasulova, G. K.; Pentin, I. V.; Vakhtomin, Y. B.; Smirnov, K. V.; Khabibullin, R. A.; Klimov, E. A.; Klochkov, A. N.; Goltsman, G. N. |
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Pulsed terahertz radiation from a double-barrier resonant tunneling diode biased into self-oscillation regime |
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Journal Article |
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2020 |
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J. Appl. Phys. |
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J. Appl. Phys. |
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128 |
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22 |
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224303 (1 to 11) |
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HEB, resonant tunneling diode, RTD |
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The study of the bolometer response to terahertz (THz) radiation from a double-barrier resonant tunneling diode (RTD) biased into the negative differential conductivity region of the I–V characteristic revealed that the RTD emits two pulses in a period of intrinsic self-oscillations of current. The bolometer pulse repetition rate is a multiple of the fundamental frequency of the intrinsic self-oscillations of current. The bolometer pulses are detected at two critical points with a distance between them being half or one-third of a period of the current self-oscillations. An analysis of the current self-oscillations and the bolometer response has shown that the THz photon emission is excited when the tunneling electrons are trapped in (the first pulse) and then released from (the second pulse) miniband states. |
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0021-8979 |
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1262 |
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Vachtomin, Yu. B.; Antipov, S. V.; Kaurova, N. S.; Maslennikov, S. N.; Smirnov, K. V.; Polyakov, S. L.; Svechnikov, S. I.; Grishina, E. V.; Voronov, B. M.; Gol'tsman, G. N. |
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Title |
Noise temperature, gain bandwidth and local oscillator power of NbN phonon-cooled HEB mixer at terahertz frequenciess |
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Conference Article |
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2004 |
Publication |
Proc. 29th IRMMW / 12th THz |
Abbreviated Journal |
Proc. 29th IRMMW / 12th THz |
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329-330 |
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We present the performances of HEB mixers based on 3.5 nm thick NbN film integrated with log-periodic spiral antenna. The double side-band receiver noise temperature values are 1300 K and 3100 K at 2.5 THz and at 3.8 THz, respectively. The gain bandwidth of the mixer is 4.2 GHz and the noise bandwidth is 5 GHz. The local oscillator power is 1-3 /spl mu/W for mixers with different active area. |
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Karlsruhe, Germany |
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Karlsruhe, Germany |
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RPLAB @ s @ nt_ifb_lopow_qoheb_karlsruhe_2004 |
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354 |
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Antipov, S. V.; Svechnikov, S. I.; Smirnov, K. V.; Vakhtomin, Y. B.; Finkel, M. I.; Goltsman, G. N.; Gershenzon, E. M. |
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Title |
Noise temperature of quasioptical NbN hot electron bolometer mixers at 900 GHz |
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Journal Article |
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Year |
2001 |
Publication |
Physics of Vibrations |
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Physics of Vibrations |
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9 |
Issue |
4 |
Pages |
242-245 |
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Keywords |
NbN HEB mixers |
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1069-1227 |
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1550 |
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