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Korneev, A.; Semenov, A.; Vodolazov, D.; Gol’tsman, G. N.; Sobolewski, R. |
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Title |
Physics and operation of superconducting single-photon devices |
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2017 |
Publication |
Superconductors at the Nanoscale |
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279-308 |
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De Gruyter |
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Wördenweber, R.; Moshchalkov, V.; Bending, S.; Tafuri, F. |
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1326 |
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Semenov, A. D.; Gousev, Y. P.; Nebosis, R. S.; Renk, K. F.; Yagoubov, P.; Voronov, B. M.; Gol’tsman, G. N.; Syomash, V. D.; Gershenzon, E. M. |
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Title |
Heterodyne detection of THz radiation with a superconducting hot‐electron bolometer mixer |
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Journal Article |
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Year |
1996 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal |
Appl. Phys. Lett. |
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69 |
Issue |
2 |
Pages |
260-262 |
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Keywords |
NbN HEB mixers |
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We report on the use of a superconducting hot‐electron bolometer mixer for heterodyne detection of terahertz radiation. Radiation with a wavelength of 119 μm was coupled to the mixer, a NbN microbridge, by a hybrid quasioptical antenna consisting of an extended hyperhemispherical lens and a planar logarithmic spiral antenna. We found, at an intermediate frequency of 1.5 GHz, a system double side band noise temperature of ≊40 000 K and conversion losses of 25 dB. We also discuss the possibilities of further improvement of the mixer performance. |
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0003-6951 |
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1610 |
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Author |
Gol’tsman, G. N. |
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The “Millimetron” project, a future space telescope mission |
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Year |
2007 |
Publication |
Proc. 18th Int. Symp. Space Terahertz Technol. |
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Proc. 18th Int. Symp. Space Terahertz Technol. |
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255 |
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Millimetron space observatory, VLBI |
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The goal of the Millimetron project is to develop a space observatory operating in the millimeter, sub-millimeter and infrared wavelength ranges using a 12-m actively cooled telescope in a single-dish mode and as an interferometer with the space-ground and space-space baselines (the later after the launch of the second identical space telescope). The Millimetron’s main reflector and other optics will be cooled down to 4K thus enabling astronomical observations with super high sensitivity in MM and subMM (down to nanoJansky level). Heterodyne observations in an interferometer mode at frequencies 0.1-1 THz will provide super high angular resolution. The main instruments, planned to be installed are wide-range imaging arrays, radiometers with spectrometers and polarimeters, VLBI heterodyne receivers, and Mikelson type interferometer devices. Wide-range MM and subMM imaging arrays and spectrometers will be based on a superconducting hot electron direct detectors with Andreev mirrors operating at 0.1 K. Such detectors are the best candidates to reach the noise equivalent power level of 10 -19 -10 -20 W/√Hz. Heterodyne receivers will be both SIS based superconducting integrated receiver with flux-flow oscillator as LO (0.1-0.9 THz range) and HEB based receivers using multiplied Gunn oscillator as LO for 1-2 THz range and quantum cascade lasers as LO for 2-5 THz range. For observations in middle IR region there will be installed large arrays of superconducting single photon detectors, providing imaging with very high dynamic range and ultimate sensitivity. |
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1422 |
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Ryabchun, S.; Korneev, A.; Matvienko, V.; Smirnov, K.; Kouminov, P.; Seleznev, V.; Kaurova, N.; Voronov, B.; Gol’tsman, G. N. |
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Title |
Superconducting single photon detectors array based on hot electron phenomena |
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Conference Article |
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Year |
2004 |
Publication |
Proc. 15th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 15th Int. Symp. Space Terahertz Technol. |
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242-247 |
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NbN SSPD arrays, SNSPD |
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In this paper we propose to use time domain multiplexing for large format arrays of superconducting single photon detectors (SSPDs) of the terahertz, visible and infrared frequency ranges based on ultrathin superconducting NbN films. Effective realization of time domain multiplexing for SSPD arrays is possible due to a short electric pulse of the SSPD as response to radiation quantum absorption, picosecond jitter and extremely low noise equivalent power (NEP). We present experimental results of testing 2×2 arrays in the infrared waveband. The measured noise equivalent power in the infrared and expected for the terahertz waveband is 10 – 21 WHz -1/2 . The best quantum efficiency (QE) of SSPD is 50% at 1.3 µm wavelength. |
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1493 |
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Author |
Semenov, A. D.; Hübers, H.-W.; Gol’tsman, G. N.; Smirnov, K. |
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Title |
Superconducting quantum detector for astronomy and X-ray spectroscopy |
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Conference Article |
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Year |
2002 |
Publication |
Proc. Int. Workshop on Supercond. Nano-Electronics Devices |
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Proc. Int. Workshop on Supercond. Nano-Electronics Devices |
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201-210 |
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NbN SSPD, SNSPD, SQD, superconducting quantum detectors, X-ray spectroscopy |
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We propose the novel concept of ultra-sensitive energy-dispersive superconducting quantum detectors prospective for applications in astronomy and X-ray spectroscopy. Depending on the superconducting material and operation conditions, such detector may allow realizing background limited noise equivalent power 10−21 W Hz−1/2 in the terahertz range when exposed to 4-K background radiation or counting of 6-keV photon with almost 10—4 energy resolution. Planar layout and relatively simple technology favor integration of elementary detectors into a detector array. |
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Naples, Italy |
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Springer |
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Boston, MA |
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Pekola, J.; Ruggiero, B.; Silvestrini, P. |
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978-1-4615-0737-6 |
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International Workshop on Superconducting Nano-Electronics Devices, May 28-June 1, 2001 |
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Call Number |
semenov2002superconducting |
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1525 |
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