| Records |
| Author |
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. |
Title  |
Optimum absorbed heterodyne power for superconducting NbN hot-electron bolometer mixer |
Type |
Journal Article |
| Year |
2010 |
Publication |
Tech. Phys. Lett. |
Abbreviated Journal |
Tech. Phys. Lett. |
| Volume |
36 |
Issue |
12 |
Pages |
1103-1105 |
| Keywords |
NbN HEB mixer |
| Abstract |
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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1389 |
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| Author |
Ynvesson, K. Sigfrid; Kollberg, Erik L. |
| Title |
Optimum receiver noise temperature for NbN HEB mixers according to standard model |
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Conference Article |
| Year |
1999 |
Publication |
Proc. 10th Int. Symp. Space Terahertz Technol. |
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Pages |
566-582 |
| Keywords |
HEB mixer model, standard model, electro-thermal feedback, self-heating parameter, heating efficiency |
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895 |
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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 |
| Keywords |
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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Hübers, H.-W.; Schubert, J.; Krabbe, A.; Birk, M.; Wagner, G.; Semenov, A.; Gol’tsman, G.; Voronov, B.; Gershenzon, E. |
| Title |
Parylene anti-reflection coating of a quasi-optical hot-electron-bolometric mixer at terahertz frequencies |
Type |
Journal Article |
| Year |
2001 |
Publication |
Infrared Physics & Technology |
Abbreviated Journal |
Infrared Physics & Technology |
| Volume |
42 |
Issue |
1 |
Pages |
41-47 |
| Keywords |
NbN HEB mixers, anti-reflection coating |
| Abstract |
Parylene C was investigated as anti-reflection coating for silicon at terahertz frequencies. Measurements with a Fourier-transform spectrometer show that the transmittance of pure silicon can be improved by about 30% when applying a layer of Parylene C with a quarter wavelength optical thickness. The 10% bandwidth of this coating extends from 1.5 to 3 THz for a center frequency of 2.3–2.5 THz, where the transmittance is constant. Heterodyne measurements demonstrate that the noise temperature of a hot-electron-bolometric mixer can be reduced significantly by coating the silicon lens of the hybrid antenna with a quarter wavelength Parylene C layer. Compared to the same mixer with an uncoated lens the improvement is about 30% at a frequency of 2.5 THz. |
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1350-4495 |
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1548 |
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| Author |
Uzawa, Y.; Miki, S.; Wang, Z.; Kawakami, A.; Kroug, M.; Yagoubov, P.; Kollberg, E. |
| Title |
Performance of a quasi-optical NbN hot-electron bolometric mixer at terahertz frequencies |
Type |
Journal Article |
| Year |
2002 |
Publication |
Superconductor Science and Technology |
Abbreviated Journal |
Supercond. Sci. Technol. |
| Volume |
15 |
Issue |
1 |
Pages |
141-145 |
| Keywords |
HEB, mixer |
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0953-2048 |
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RPLAB @ s @ |
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548 |
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