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Zwiller, V.; Aichele, T.; Seifert, W.; Persson, J.; Benson, O. |
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Title |
Generating visible single photons on demand with single InP quantum dots |
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Journal Article |
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2003 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
82 |
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10 |
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1509-1511 |
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Keywords |
single photon, quantum dot, InP |
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0003-6951 |
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503 |
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Смирнов, К. В. |
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Title |
AlGaAs/GaAs смеситель на эффекте разогрева двумерных электронов для тепловизора субмиллиметрового диапазона |
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2003 |
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Тезисы докладов VI Российской конференции по физике полупроводников |
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181 |
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2DEG, AlGaAs/GaAs heterostructures, mixer |
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ФТИ им. А. Ф. Иоффе, Санк-Петербург |
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VI Российской конференции по физике полупроводников (27-31 октября) |
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Notes |
Unconfirmed; Сама конференция, однако, была -- её упоминают: [http://www.nsc.ru/HBC/article.phtml?nid=271&id=17], [https://www.isp.nsc.ru/institut/nauchnye-podrazdeleniya/lab-20/publikatsii/2003], [http://www.ioffe.ru/sem_tech/sem%5Fteh%5Fmovpe%5Fpublications%5Fru.htm#R2003], [https://istina.ips.ac.ru/collections/828771/] |
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1837 |
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Semenov, Alexei D.; Hiibers, Heinz-Wilhelm; Richter, Heiko; Smirnov, Konstantin; Gol'tsman, Gregory N.; Kaurova, Natalia; Voronov, Boris M. |
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Title |
Superconducting hot-electron bolometer mixer for terahertz heterodyne receivers |
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Conference Article |
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Year |
2003 |
Publication |
Proc. 14th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 14th Int. Symp. Space Terahertz Technol. |
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33-40 |
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Keywords |
NbN HEB mixers |
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A number of on-going astronomical and atmospheric research programs are aimed to the Terahertz (THz) spectral region. At frequencies above about 1.4 THz heterodyne receivers planned for these missions will use superconducting hot-electron bolometers as a mixers. We present recent results of the terahertz antenna development of superconducting NbN hot-electron bolometer mixer for GREAT (German Receiver for Astronomy at Terahertz Frequencies, to be used aboard of SOFIA) and TELIS (Terahertz Limb Sounder). The mixer is incorporated into hybrid antenna consisting of a planar feed antenna, which has either logarithmic spiral or double-slot configuration, and hyper hemispherical silicon lens. The hybrid antenna showed almost frequency independent and symmetric radiation pattern with the beam-width slightly broader than expected for diffraction limited antenna. The noise temperature as well as its spectral dependence changes with the bolometer sizes that provides additional tool for mixer optimization. FTS spectra measured in the direct detection regime agreed with the noise temperature spectra. |
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1498 |
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Tinkham, M.; Free, J. U.; Lau, C. N.; Markovic, N. |
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Title |
Hysteretic I–V curves of superconducting nanowires |
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Journal Article |
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Year |
2003 |
Publication |
Phys. Rev. B |
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68 |
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Pages |
134515(1 to 7) |
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Keywords |
MoGe nanowires, self-heating effect |
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Experimental I–V curves of superconducting MoGe nanowires show hysteresis for the thicker wires and none for the thinner wires. A rather quantitative account of these data for representative wires is obtained by numerically solving the one-dimensional heat flow equation to find a self-consistent distribution of temperature and local resistivity along the wire, using the measured linear resistance R(T) as input. This suggests that the retrapping current in the hysteretic I–V curves is primarily determined by heating effects, and not by the dynamics of phase motion in a tilted washboard potential as often assumed. Heating effects and thermal fluctuations from the low-resistance state to a high-resistance, quasinormal regime appear to set independent upper bounds for the switching current. |
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918 |
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Gol’tsman, G. N.; Smirnov, K.; Kouminov, P.; Voronov, B.; Kaurova, N.; Drakinsky, V.; Zhang, J.; Verevkin, A.; Sobolewski, R. |
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Title |
Fabrication of nanostructured superconducting single-photon detectors |
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Journal Article |
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Year |
2003 |
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IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
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Volume |
13 |
Issue |
2 |
Pages |
192-195 |
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Keywords |
NbN SSPD, SNSPD |
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Fabrication of NbN superconducting single-photon detectors, based on the hotspot effect is presented. The hotspot formation arises in an ultrathin and submicrometer-width superconductor stripe and, together with the supercurrent redistribution, leads to the resistive detector response upon absorption of a photon. The detector has a meander structure to maximally increase its active area and reach the highest detection efficiency. Main processing steps, leading to efficient devices, sensitive in 0.4-5 /spl mu/m wavelength range, are presented. The impact of various processing steps on the performance and operational parameters of our detectors is discussed. |
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1558-2515 |
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1515 |
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Huebers, H.-W.; Semenov, A.; Richter, H.; Birk, M.; Krocka, M.; Mair, U.; Smirnov, K.; Gol’tsman, G. N.; Voronov, B. M. |
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Title |
Superconducting hot electron bolometer as mixer for far-infrared heterodyne receivers |
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Conference Article |
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Year |
2003 |
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Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
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Volume |
4855 |
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Pages |
395-401 |
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Keywords |
NbN HEB mixers |
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Heterodyne receivers for applications in astronomy need quantum limited sensitivity. In instruments which are currently under development for SOFIA or Herschel superconducting hot electron bolometers (HEB) will be used to achieve this goal at frequencies above 1.4 THz. We present results of the development of a phonon-cooled NbN HEB mixer for GREAT, the German Receiver for Astronomy at Terahertz Frequencies, which will be flown aboard SOFIA. The mixer is a small superconducting bridge incorporated in a planar feed antenna and a hyperhemispherical lens. Mixers with logarithmic-spiral and double-slot feed antennas have been investigated with respect to their noise temperature, conversion loss, linearity and beam pattern. At 2.5 THz a double sideband noise temperature of 2200 K was achieved. The conversion loss was 17 dB. The response of the mixer was linear up to 400 K load temperature. The performance was verified by measuring an emission line of methanol at 2.5 THz. The measured linewidth is in good agreement with the linewidth deduced from pressure broadening measurements at millimeter wavelength. The results demonstrate that the NbN HEB is very well suited as a mixer for far-infrared heterodyne receivers. |
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SPIE |
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Tucson, USA |
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Phillips, T. G.; Zmuidzinas, J. |
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Presented at the Society of Photo-Optical Instrumentation Engineers (SPIE) Conference |
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4855 |
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Millimeter and Submillimeter Detectors for Astronomy |
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335 |
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Zhang, J.; Pearlman, A.; Slysz, W.; Verevkin, A.; Sobolewski, R.; Wilsher, K.; Lo, W.; Okunev, O.; Korneev, A.; Kouminov, P.; Chulkova, G.; Gol’tsman, G. N. |
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A superconducting single-photon detector for CMOS IC probing |
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Conference Article |
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2003 |
Publication |
Proc. 16-th LEOS |
Abbreviated Journal |
Proc. 16-th LEOS |
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2 |
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602-603 |
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NbN SSPD, SNSPD |
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In this paper, a novel, time-resolved, NbN-based, superconducting single-photon detector (SSPD) has been developed for probing CMOS integrated circuits (ICs) using photon emission timing analysis (PETA). |
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The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003. LEOS 2003. |
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1510 |
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Meledin, D.; Tong, C. Y.-E.; Blundell, R.; Kaurova, N.; Smirnov, K.; Voronov, B.; Gol'tsman, G. |
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Study of the IF bandwidth of NbN HEB mixers based on crystalline quartz substrate with an MgO buffer layer |
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2003 |
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IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
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13 |
Issue |
2 |
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164-167 |
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NbN HEB mixer |
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In this paper, we present the results of IF bandwidth measurements on 3-4 nm thick NbN hot electron bolometer waveguide mixers, which have been fabricated on a 200-nm thick MgO buffer layer deposited on a crystalline quartz substrate. The 3-dB IF bandwidth, measured at an LO frequency of 0.81 THz, is 3.7 GHz at the optimal bias point for low noise receiver operation. We have also made measurements of the IF dynamic impedance, which allow us to evaluate the intrinsic electron temperature relaxation time and self-heating parameters at different bias conditions. |
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341 |
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van't Klooster, C. G. M.; Parshin, V. V.; Myasnikova, S. E. |
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Reflectivity of antenna reflectors: measurements at frequencies between 110 and 200 GHz |
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2003 |
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Proc. Antennas and propagation society international symposium |
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3 |
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528-531 |
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mirror, reflection index, emissivity, reflectivity, mirror, Fabry-Perot interferometer, subterahertz, subTHz |
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It is imperative to test the mechanical, electrical and thermal-optical properties of MM and sub-MM reflector antennas. Electrical, thermal and optical properties are very important and high-accurate measurements lead, obviously, to more accurate results in applications. This paper deals with measurement of electrical reflectivity in the range 110-200 GHz. Reflectivity has been measured for a number of samples, which represent materials used in reflector antennas. Both metal samples and carbon-fibre samples were tested in a dedicated facility available for this purpose at the Applied Physics Institute in Nizhny Novgorod (IAP). The test facility is shortly discussed, with techniques for data extraction. Calibration is done with high quality silver coated mirrors and aluminium control samples. Accurate results have been derived with indicative interesting results. |
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583 |
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Vakhtomin, Y. B.; Finkel, M. I.; Antipov, S. V.; Smirnov, K. V.; Kaurova, N. S.; Drakinskii, V. N.; Voronov, B. M.; Gol’tsman, G. N. |
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The gain bandwidth of mixers based on the electron heating effect in an ultrathin NbN film on a Si substrate with a buffer MgO layer |
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Journal Article |
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2003 |
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J. of communications technol. & electronics |
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J. of communications technol. & electronics |
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48 |
Issue |
6 |
Pages |
671-675 |
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NbN HEB mixers |
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Measurements of the intermediate frequency band 900 GHz of mixers based on the electron heating effect (EHE) in 2-nm- and 3.5-nm-thick superconducting NbN films sputtered on MgO and Si substrates with buffer MgO layers are presented. A 2-nm-thick superconducting NbN film with a critical temperature of 9.2 K has been obtained for the first time using a buffer MgO layer. |
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MAIK Nauka/Interperiodica, Birmingham, AL |
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1064-2269 |
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https://elibrary.ru/item.asp?id=17302119 (Полоса преобразования смесителей на эффекте разогрева электронов в ультратонких пленках NbN на подложках из Si с подслоем MgO) |
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Vakhtomin2003 |
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1522 |
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