| Records |
| Author |
Gershenzon, E. M.; Gol’tsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
| Title |
Mechanism of picosecond response of granular YBaCuO films to electromagnetic radiation |
Type |
Journal Article |
| Year |
1991 |
Publication |
IEEE Trans. Magn. |
Abbreviated Journal |
IEEE Trans. Magn. |
| Volume |
27 |
Issue |
2 |
Pages |
1321-1324 |
| Keywords |
YBCO HTS detectors |
| Abstract |
Ultrafast mechanisms of radiation detection in granular YBaCuO films are studied in the wide wavelength range from millimeter waves to near infrared. With an increase in radiation frequency, the Josephson detection at the grain-boundary weak links is replaced by electron heating into the grains. This change occurs in the submillimeter wavelength range. The electron-phonon relaxation time tau /sub eph/ is determined from direct measurements, quasi-stationary electron heating measurements, and the frequency dependence of the current at which maximum voltage shift is observed. The temperature dependence of tau /sub eph/ at T<or=40 K was found to be tau /sub eph/ approximately T/sup -1/. The results show that detectors with a response time of a few picoseconds at nitrogen temperature are attainable. |
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1941-0069 |
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no |
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1679 |
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| Author |
Gershenzon, E. M.; Gol’tsman, G. N.; Dzardanov, A. L.; Zorin, M. A. |
| Title |
Ultrafast superconductive switch |
Type |
Journal Article |
| Year |
1991 |
Publication |
IEEE Trans. Magn. |
Abbreviated Journal |
IEEE Trans. Magn. |
| Volume |
27 |
Issue |
2 |
Pages |
2844-2846 |
| Keywords |
Nb superconducting switch |
| Abstract |
The transition from superconductive to resistive state caused by infrared radiation and bias current pulses was investigated in order to minimize switching time tau and driving power W. Experimental results for Nb microstrips confirm the correctness of calculations based on the model of electron heating. For Nb switches, tau measured directly is 0.3-0.8 ns for radiation pulses and 1-3 ns for bias current pulses at T=4.2 K, while for YBaCuO switches at T=77 K it is expected to be several picoseconds. For an YBaCuO sample with the dimensions of 5*2*0.15 mu m/sup 2/, W was 10 mW, and it can be further reduced to the order of several microwatts by decreasing the volume of the sample. |
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1941-0069 |
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no |
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1680 |
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| Author |
Gershenzon, E. M.; Gol’tsman, G. N.; Sergeev, A.; Semenov, A. D. |
| Title |
Picosecond response of YBaCuO films to electromagnetic radiation |
Type |
Conference Article |
| Year |
1990 |
Publication |
Proc. European Conf. High-Tc Thin Films and Single Crystals |
Abbreviated Journal |
Proc. European Conf. High-Tc Thin Films and Single Crystals |
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Issue |
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Pages |
457-462 |
| Keywords |
YBCO HTS detectors |
| Abstract |
Radiation-induced change of the resistance was studied in the resistive state of YBaCuO films. Electron-phonon relaxation time T h was determmed from direct ep measurements and analysis of quasistationary electron heating. Temperature dependence of That TS 40 K was found to – ep be T h.. T'. The resul ts show that ep detectors with the response time of few picosecond at nitrogen temperature can be realized. |
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Gorzkowski, W.; Gutowski, M.; Reich, A.; Szymczak, H. |
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European Conference , Ustroń, Poland , 30 Sept – 4 Oct 1989 |
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no |
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Serial |
1695 |
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| Author |
Blagosklonskaya, L. E.; Gershenzon, E. M.; Gol’tsman, G. N.; Elant’ev, A. I. |
| Title |
Effect of a strong magnetic field on the spectrum of donors in InSb |
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Journal Article |
| Year |
1978 |
Publication |
Sov. Phys. Semicond. |
Abbreviated Journal |
Sov. Phys. Semicond. |
| Volume |
11 |
Issue |
12 |
Pages |
1395-1397 |
| Keywords |
InSb, spectrum of donors, strong magnetic field |
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1725 |
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| Author |
Gol’tsman, G.N. |
| Title |
Overview of recent results for superconducting NbN terahertz and optical detectors and mixers |
Type |
Miscellaneous |
| Year |
2014 |
Publication |
SM2 – Seminar on Terahertz Photonics |
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Issue |
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Pages |
0562 |
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NbN SSPD, SNSPD, HEB |
| 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. |
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1746 |
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| Author |
Korneev, A.; Semenov, A.; Vodolazov, D.; Gol’tsman, G. N.; Sobolewski, R. |
| Title |
Physics and operation of superconducting single-photon devices |
Type |
Book Chapter |
| Year |
2017 |
Publication |
Superconductors at the Nanoscale |
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Pages |
279-308 |
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De Gruyter |
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Wördenweber, R.; Moshchalkov, V.; Bending, S.; Tafuri, F. |
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no |
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1326 |
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Blundell, R.; Kawamura, J. H.; Tong, C. E.; Papa, D. C.; Hunter, T. R.; Gol’tsman, G. N.; Cherednichenko, S. I.; Voronov, B. M.; Gershenzon, E. M. |
| Title |
A hot-electron bolometer mixer receiver for the 680-830 GHz frequency range |
Type |
Conference Article |
| Year |
1998 |
Publication |
Proc. 6-th Int. Conf. Terahertz Electron. |
Abbreviated Journal |
Proc. 6-th Int. Conf. Terahertz Electron. |
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Issue |
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Pages |
18-20 |
| Keywords |
NbN HEB mixers |
| Abstract |
We describe a heterodyne receiver designed to operate in the partially transparent atmospheric windows centered on 680 and 830 GHz. The receiver incorporates a niobium nitride thin film, cooled to 4.2 K, as the phonon-cooled hot-electron mixer element. The double sideband receiver noise, measured over the frequency range 680-830 GHz, is typically 700-1300 K. The instantaneous output bandwidth of the receiver is 600 MHz. This receiver has recently been used at the SubMillimeter Telescope, jointly operated by the Steward Observatory and the Max Planck Institute for Radioastronomy, for observations of the neutral carbon and CO spectral lines at 810 GHz and at 806 and 691 GHz respectively. Laboratory measurements on a second mixer in the same test receiver have yielded extended high frequency performance to 1 THz. |
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Leeds, UK |
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IEEE |
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0-7803-4903-2 |
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IEEE Sixth International Conference on Terahertz Electronics Proceedings. THZ 98. (Cat. No.98EX171) |
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no |
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Serial |
1581 |
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| Author |
Yagoubov, P.; Hübers, H.-W.; Gol’tsman, G.; Semenov, A.; Gao, J.; Hoogeveen, R.; de Graauw, T.; Birk, M.; Selig, A.; de Korte, P. |
| Title |
Hot-electron bolometer mixers – technology for far-infrared heterodyne instruments in future atmospheric chemistry missions |
Type |
Conference Article |
| Year |
2001 |
Publication |
Proc. 3rd Int. Symp. Submillimeter Wave Earth Observation From Space |
Abbreviated Journal |
Proc. 3rd Int. Symp. Submillimeter Wave Earth Observation From Space |
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Issue |
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Pages |
57-69 |
| Keywords |
HEB mixers |
| Abstract |
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| Address |
Delmenhorst |
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Logos-Verlag |
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Buehler, S.; Berlin |
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3-89722-700-2 |
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International Symposium on Submillimeter Wave Earth Observation from Space, ISSMWEOS01 |
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no |
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1549 |
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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. |
| Title |
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 |
Type |
Journal Article |
| Year |
2003 |
Publication |
J. of communications technol. & electronics |
Abbreviated Journal |
J. of communications technol. & electronics |
| Volume |
48 |
Issue |
6 |
Pages |
671-675 |
| Keywords |
NbN HEB mixers |
| Abstract |
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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no |
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Vakhtomin2003 |
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1522 |
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| Author |
Hübers, H.-W.; Semenov, A.; Richter, H.; Birk, M.; Krocka, M.; Mair, U.; Smirnov, K.; Gol’tsman, G.; Voronov, B. |
| Title |
Terahertz Heterodyn Receiver with a hot-electron bolometer mixer |
Type |
Conference Article |
| Year |
2002 |
Publication |
Far-IR, Sub-mm & MM Detector Technology Workshop |
Abbreviated Journal |
Far-IR, Sub-mm & MM Detector Technology Workshop |
| Volume |
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Issue |
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Pages |
3-24 |
| Keywords |
NbN HEB mixers |
| Abstract |
During the past decade major advances have been made regarding low noise mixers for terahertz (THz) heterodyne receivers. State of the art hot-electron-bolometer (HEB) mixers have noise temperatures close to the quantum limit and require less than a µW power from the local oscillator (LO). The technology is now at a point where the performance of a practical receiver employing such mixer, rather than the figures of merit of the mixer itself, are of major concern. We have incorporated a phonon-cooled NbN HEB mixer in a 2.5 THz heterodyne receiver and investigated the performance of the receiver. This yields important information for the development of heterodyne receivers such as GREAT (German receiver for astronomy at THz frequencies aboard SOFIA) [1] and TELIS (Terahertz limb sounder), a balloon borne heterodyne receiver for atmospheric research [2]. Both are currently under development at DLR. |
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NASA |
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Wolf, U.; Farhoomand, J.; McCreight, C.R. |
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NASA CP |
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Volume: 211408 |
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no |
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1537 |
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