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Somani, S.; Kasapi, S.; Wilsher, K.; Lo, W.; Sobolewski, R.; Gol’tsman, G. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
New photon detector for device analysis: Superconducting single-photon detector based on a hot electron effect |
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Journal Article |
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2001 |
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J. Vac. Sci. Technol. B |
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J. Vac. Sci. Technol. B |
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19 |
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6 |
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2766-2769 |
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NbN SSPD, SNSPD |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
A novel superconducting single-photon detector (SSPD), intrinsically capable of high quantum efficiency (up to 20%) over a wide spectral range (ultraviolet to infrared), with low dark counts (<1 cps), and fast (<40 ps) timing resolution, is described. This SSPD has been used to perform timing measurements on complementary metal–oxide–semiconductor integrated circuits (ICs) by detecting the infrared light emission from switching transistors. Measurements performed from the backside of a 0.13 μm geometry flip–chip IC are presented. Other potential applications for this detector are in telecommunications, quantum cryptography, biofluorescence, and chemical kinetics. |
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0734211X |
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1542 |
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Semenov, Alexei D.; Hübers, Heinz-Wilhelm; Richter, Heiko; Smirnov, Konstantin; Gol'tsman, Gregory N.; Voronov, Boris M. |
![find record details (via OpenURL) openurl](https://db.rplab.ru/refbase/img/xref.gif)
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Title |
Superconducting hot-electron bolometer mixer for terahertz heterodyne receivers |
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Abstract |
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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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164 |
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NbN HEB mixers |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
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 current results on the development of superconducting NbN hot- electron bolometer mixer and quasioptical radiation coupling scheme 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 hyperhemispherical silicon lens. For the log-spiral feed antenna, the double side-band receiver noise temperature of 5500 K was achieved at 4.3 THz. The noise temperature shows less than 3 dB increase in the intermediate frequency band from 4 GHz to 7 GHz. The hybrid antenna had almost frequency independent and symmetric radiation pattern with the beam-width slightly broader than expected for a diffraction limited pattern. Results of FTS measurements in the direct detection regime agreed with the spectral dependence of the noise temperature for spiral antennas with different spacing of inner terminals. |
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1492 |
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Semenov, Alexei D.; Hiibers, Heinz-Wilhelm; Richter, Heiko; Smirnov, Konstantin; Gol'tsman, Gregory N.; Kaurova, Natalia; Voronov, Boris M. |
![find record details (via OpenURL) openurl](https://db.rplab.ru/refbase/img/xref.gif)
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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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NbN HEB mixers |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
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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Tong, C.-Y. Edward; Kawamura, Jonathan; Todd, R. Hunter; Papa, D. Cosmo; Blundell, Raymond.; Smith, Michael; Patt, Ferdinand; Gol'tsman, Gregory; Gershenzon, Eugene |
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Title |
Successful operation of a 1 THz NbN hot-electron bolometer receiver |
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Conference Article |
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2000 |
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Proc. 11th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 11th Int. Symp. Space Terahertz Technol. |
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49-59 |
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NbN HEB mixers, applications |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
A phonon-cooled NbN superconductive hot-electron bolometer receiver covering the frequency range 0.8-1.04 THz has successfully been used for astronomical observation at the Sub-Millimeter Telescope Observatory on Mount Graham, Arizona. This waveguide heterodyne receiver is a modified version of our fixed-tuned 800 GHz HEB receiver to allow for operation beyond 1 THz. The measured noise temperature of this receiver is about 1250 K at 0.81 THz, 560 K at 0.84 THz, and 1600 K at 1.035 THz. It has a 1 GHz wide IF bandwidth, centered at 1.8 GHz. This receiver has recently been used to detect the CO (9-8) molecular line emission at 1.037 THz in the Orion nebula. This is the first time a ground-based heterodyne receiver has been used to detect a celestial source above 1 THz. |
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303 |
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Zhang, Wen; Li, Ning; Jiang, Ling; Miao, Wei; Lin, Zhen-Hui; Yao, Qi-Jun; Shi, Sheng-Cai; Chen, Jian; Wu, Pei-Heng; Svechnikov, S. I.; Vachtomin, Y. B.; Antipov, S. V.; Voronov, B. M.; Gol'tsman, G. N. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Noise behaviour of a THz superconducting hot-electron bolometer mixer |
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Journal Article |
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2007 |
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Chinese Phys. Lett. |
Abbreviated Journal |
Chinese Phys. Lett. |
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24 |
Issue |
6 |
Pages |
1778-1781 |
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Keywords |
NbN HEB mixers |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
A quasi-optical superconducting NbN hot-electron bolometer (HEB) mixer is measured in the frequency range of 0.5–2.5 THz for understanding of the frequency dependence of noise temperature of THz coherent detectors. It has been found that noise temperature increasing with frequency is mainly due to the coupling loss between the quasi-optical planar antenna and the superconducting HEB bridge when taking account of non-uniform distribution of high-frequency current. With the coupling loss corrected, the superconducting HEB mixer demonstrates a noise temperature nearly independent of frequency. |
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0256-307X |
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1430 |
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Chen, J.; Kang, L.; Jin, B. B.; Xu, W. W.; Wu, P. H.; Zhang, W.; Jiang, L.; Li, N.; Shi, S. C.; Gol'tsman, G. N. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Properties of terahertz superconducting hot electron bolometer mixers |
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Journal Article |
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2008 |
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Int. J. Terahertz Sci. Technol. |
Abbreviated Journal |
Int. J. Terahertz Sci. Technol. |
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1 |
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1 |
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37-41 |
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NbN HEB mixers, noise temperature |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
A quasi-optical superconducting niobium nitride (NbN) hot electron bolometer (HEB) mixer has been fabricated and measured in the terahertz (THz) frequency range of 0.5~2.52 THz. A receiver noise temperature of 2000 K at 2.52 THz has been obtained for the mixer without corrections. Also, the effect of a Parylene C anti-reflection (AR) coating on the silicon (Si) lens has been studied. |
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1417 |
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Voronov, B. M.; Gershenzon, E. M.; Gol'tsman, G. N.; Gubkina, T. O.; Semash, V. D. |
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Title |
Superconductive properties of ultrathin NbN films on different substrates |
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Journal Article |
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1994 |
Publication |
Sverkhprovodimost': Fizika, Khimiya, Tekhnika |
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Sverkhprovodimost': Fizika, Khimiya, Tekhnika |
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7 |
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6 |
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1097-1102 |
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NbN films |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
A study was made on dependence of surface resistance, critical temperature and width of superconducting transition on application temperature and thickness of NbN films, which varied within the range of 3-10 nm. Plates of sapphire, fused and monocrystalline quartz, MgO, as well as Si and silicon oxide were used as substrates. NbN films with 160 μθ·cm specific resistance and 16.5 K (Tc) critical temperature were obtained on sapphire substrates. Intensive growth of ΔTc was noted for films, applied on fused quartz, with increase of precipitation temperature. This is explained by occurrence of high tensile stresses in NbN films, caused by sufficient difference of thermal coefficients of expansion of NbN and quartz. |
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0131-5366 |
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Сверхпроводниковые свойства ультратонких пленок NbN на различных подложках |
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1631 |
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Tong, C. E.; Blundell, R.; Papa, D. C.; Smith, M.; Kawamura, J.; Gol'tsman, G.; Gershenzon, E.; Voronov, B. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
An all solid-state superconducting heterodyne receiver at terahertz frequencies |
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Journal Article |
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1999 |
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IEEE Microw. Guid. Wave Lett. |
Abbreviated Journal |
IEEE Microw. Guid. Wave Lett. |
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9 |
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9 |
Pages |
366-368 |
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waveguide NbN HEB mixers |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
A superconducting hot-electron bolometer mixer-receiver operating from 1 to 1.26 THz has been developed. This heterodyne receiver employs two solid-state local oscillators each consisting of a Gunn oscillator followed by two stages of varactor frequency multiplication. The measured receiver noise temperature is 1350 K at 1.035 THz and 2700 K at 1.26 THz. This receiver demonstrates that tunable solid-state local oscillators, supplying only a few micro-watts of output power, can be used in terahertz receiver applications. |
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1051-8207 |
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1565 |
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Lusche, R.; Semenov, A.; Ilin, K.; Siegel, M.; Korneeva, Y.; Trifonov, A.; Korneev, A.; Goltsman, G.; Vodolazov, D.; Hübers, H.-W. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Effect of the wire width on the intrinsic detection efficiency of superconducting-nanowire single-photon detectors |
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Journal Article |
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2014 |
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J. Appl. Phys. |
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J. Appl. Phys. |
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116 |
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4 |
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043906 (1 to 9) |
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NbN SSPD, SNSPD, TaN |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
A thorough spectral study of the intrinsic single-photon detection efficiency in superconducting TaN and NbN nanowires with different widths has been performed. The experiment shows that the cut-off of the intrinsic detection efficiency at near-infrared wavelengths is most likely controlled by the local suppression of the barrier for vortex nucleation around the absorption site. Beyond the cut-off quasi-particle diffusion in combination with spontaneous, thermally activated vortex crossing explains the detection process. For both materials, the reciprocal cut-off wavelength scales linearly with the wire width where the scaling factor agrees with the hot-spot detection model. |
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0021-8979 |
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1357 |
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Tret’yakov, I. V.; Ryabchun, S. A.; Kaurova, N. S.; Larionov, P. A.; Lobastova, A. A.; Voronov, B. M.; Finkel, M. I.; Gol’tsman, G. N. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Optimum absorbed heterodyne power for superconducting NbN hot-electron bolometer mixer |
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Journal Article |
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2010 |
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Tech. Phys. Lett. |
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Tech. Phys. Lett. |
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36 |
Issue |
12 |
Pages |
1103-1105 |
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NbN HEB mixer |
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Abstract ![sorted by Abstract field, ascending order (up)](https://db.rplab.ru/refbase/img/sort_asc.gif) |
Absorbed heterodyne power has been measured in a low-noise broadband hot-electron bolometer (HEB) mixer for the terahertz range, operating on the effect of electron heating in the resistive state of an ultrathin superconducting NbN film. It is established that the optimum absorbed heterodyne power for the HEB mixer operating at 2.5 THz is about 100 nW. |
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1063-7850 |
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