| Records |
| Author |
Goltsman, G. N.; Korneev, A. A.; Finkel, M. I.; Divochiy, A. V.; Florya, I. N.; Korneeva, Y. P.; Tarkhov, M. A.; Ryabchun, S. A.; Tretyakov, I. V.; Maslennikov, S. N.; Kaurova, N. S.; Chulkova, G. M.; Voronov, B. M. |
Title  |
Superconducting hot-electron bolometer as THz mixer, direct detector and IR single-photon counter |
Type |
Abstract |
| Year |
2010 |
Publication |
35th Int. Conf. Infrared, Millimeter, and Terahertz Waves |
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| Volume |
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Issue |
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Pages |
1-1 |
| Keywords |
SSPD, SNSPD, HEB |
| Abstract |
We present a new generation of superconducting single-photon detectors (SSPDs) and hot-electron superconducting sensors with record characteristic for many terahertz and optical applications. |
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| ISSN |
2162-2027 |
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RPLAB @ sasha @ goltsman2010superconducting |
Serial |
1028 |
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| Author |
Korneev, A.; Finkel, M.; Maslennikov, S.; Korneeva, Yu.; Florya, I.; Tarkhov, M.; Elezov, M.; Ryabchun, S.; Tretyakov, I.; Isupova, A.; Voronov, B.; Goltsman, G. |
| Title |
Superconducting NbN terahertz detectors and infrared photon counters |
Type |
Journal Article |
| Year |
2010 |
Publication |
Вестник НГУ. Серия: физ. |
Abbreviated Journal |
Вестник НГУ. Серия: физ. |
| Volume |
5 |
Issue |
4 |
Pages |
68-72 |
| Keywords |
HEB; HEB mixer |
| Abstract |
We present our recent achievements in the development of sensitive and ultrafast thin-film superconducting sensors: hot-electron bolometers (HEB), HEB-mixers for terahertz range and infrared single-photon counters. These sensors have already demonstrated a performance that makes them devices-of-choice for many terahertz and optical applications. Keywords: Hot electron bolometer mixers, infrared single-photon detectors, superconducting device fabrication, superconducting NbN films. |
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1818-7994 |
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| Notes |
УДК 538.9 |
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no |
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RPLAB @ gujma @ |
Serial |
708 |
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Tretyakov, I.; Kaurova, N.; Raybchun, S.; Goltsman, G. N.; Silaev, A. A. |
| Title |
Technology for NbN HEB based multipixel matrix of THz range |
Type |
Conference Article |
| Year |
2018 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
| Volume |
195 |
Issue |
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Pages |
05011 |
| Keywords |
NbN HEB |
| Abstract |
The influence of homogeneity disorder degree of the thin superconducting NbN film across of Si wafer on characteristics of the Hot Electron Bolometers (HEB) has been investigated. Our experiments have been carried out near the superconducting transition and far below it. The high homogeneity disorder degree of the NbN film has been achieved by preparing the Si substrate surface. The fabricated HEBs all have almost identical R (T) characteristics with a dispersion of Tc and the normal resistance R300 of not more than 0.15K and 2 Ω, respectively. The quality of the devises allows us to demonstrate clearly the influence of non-equilibrium processes in the S’SS’ system on the device performance. Our fabrication technology also allows creating multiplex heterodyne and direct detector matrices based the HEB devices. |
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2100-014X |
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no |
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1318 |
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Seliverstov, S. V.; Anfertyev, V. A.; Tretyakov, I. V.; Ozheredov, I. A.; Solyankin, P. M.; Revin, L. S.; Vaks, V. L.; Rusova, A. A.; Goltsman, G. N.; Shkurinov, A. P. |
| Title |
Terahertz heterodyne receiver with an electron-heating mixer and a heterodyne based on the quantum-cascade laser |
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Journal Article |
| Year |
2017 |
Publication |
Radiophys. Quant. Electron. |
Abbreviated Journal |
Radiophys. Quant. Electron. |
| Volume |
60 |
Issue |
7 |
Pages |
518-524 |
| Keywords |
NbN HEB mixer, QCL |
| Abstract |
We study characteristics of the laboratory prototype of a terahertz heterodyne receiver with an electron-heating mixer and a heterodyne based on the quantum-cascade laser. The results obtained demonstrate the possibility to use this receiver as a basis for creation of a high-sensitivity terahertz spectrometer, which can be used in many basic and practical applications. A significant advantage of this receiver will be the possibility of placing the mixer and heterodyne in the same cryostat, which will reduce the device dimensions considerably. The obtained experimental results are analyzed, and methods of optimizing the parameters of the receiver are proposed. |
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0033-8443 |
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no |
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Serial |
1322 |
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Shurakov, A.; Mikhalev, P.; Mikhailov, D.; Mityashkin, V.; Tretyakov, I.; Kardakova, A.; Belikov, I.; Kaurova, N.; Voronov, B.; Vasil’evskii, I.; Gol’tsman, G. |
| Title |
Ti/Au/n-GaAs planar Schottky diode with a moderately Si-doped matching sublayer |
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Journal Article |
| Year |
2018 |
Publication |
Microelectronic Engineering |
Abbreviated Journal |
Microelectronic Engineering |
| Volume |
195 |
Issue |
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Pages |
26-31 |
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| Abstract |
In this paper, we report on the results of the study of the Ti/Au/n-GaAs planar Schottky diodes (PSD) intended for the wideband detection of terahertz radiation. The two types of the PSD devices were compared having either the dual n/n+ silicon dopant profile or the triple one with a moderately doped matching sublayer inserted. All the diodes demonstrated no noticeable temperature dependence of ideality factors and barrier heights, whose values covered the ranges of 1.15–1.50 and 0.75–0.85 eV, respectively. We observed the lowering of the flat band barrier height of ∼80 meV after introducing the matching sublayer into the GaAs sandwich. For both the devices types, the series resistance value as low as 20 Ω was obtained. To extract the total parasitic capacitance, we performed the Y-parameters analysis within the electromagnetic modeling of the PSD's behavior via the finite-element method. The capacitance values of 12–12.2 fF were obtained and further verified by measuring the diodes' response voltages in the frequency range of 400–480 GHz. We also calculated the AC current density distribution within the layered structures similar to those being experimentally studied. It was demonstrated that insertion of the moderately Si-doped matching sublayer might be beneficial for implementation of a PSD intended for the operation within the ‘super-THz’ frequency range. |
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0167-9317 |
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1155 |
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