| Records |
| Author |
Zhang, Jin; Slysz, W.; Verevkin, A.; Okunev, O.; Chulkova, G.; Korneev, A.; Lipatov, A.; Gol'tsman, G. N.; Sobolewski, R. |
| Title |
Response time characterization of NbN superconducting single-photon detectors |
Type |
Journal Article |
| Year |
2003 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
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| Volume |
13 |
Issue |
2 |
Pages |
180-183 |
| Keywords |
SSPD jitter, SNSPD jitter |
| Abstract |
We report our time-resolved measurements of NbN-based superconducting single-photon detectors. The structures are meander-type, 10-nm thick, and 200-nm wide stripes and were operated at 4.2 K. We have shown that the NbN devices can count single-photon pulses with below 100-ps time resolution. The response signal pulse width was about 150 ps, and the system jitter was measured to be 35 ps. |
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IEEE |
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no |
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Serial |
1058 |
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| Author |
Cherednichenko, S.; Yagoubov, P.; Il'in, K.; Gol'tsman, G.; Gershenzon, E. |
| Title |
Large bandwidth of NbN phonon-cooled hot-electron bolometer mixers |
Type |
Conference Article |
| Year |
1997 |
Publication |
Proc. 27th Eur. Microwave Conf. |
Abbreviated Journal |
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| Volume |
2 |
Issue |
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Pages |
972-977 |
| Keywords |
HEB mixer, fabrication process |
| Abstract |
The bandwidth of NbN phonon-cooled hot electron bolometer mixers has been systematically investigated with respect to the film thickness and film quality variation. The films, 2.5 to 10 nm thick, were fabricated on sapphire substrates using DC reactive magnetron sputtering. All devices consisted of several parallel strips, each 1 um wide and 2 um long, placed between Ti-Au contact pads. To measure the gain bandwidth we used two identical BWOs operating in the 120-140 GHz frequency range, one functioning as a local oscillator and the other as a signal source. The majority of the measurements were made at an ambient temperature of 4.2 K with optimal LO and DC bias. The maximum 3 dB bandwidth (about 4 GHz) was achieved for the devices made of films which were 2.5-3.5 nm thick, had a high critical temperature, and high critical current density. A theoretical analysis of bandwidth for these mixers based on the two-temperature model gives a good description of the experimental results if one assumes that the electron temperature is equal to the critical temperature. |
| Address |
Jerusalem, Israel |
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IEEE |
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27th Eur. Microwave Conf. |
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no |
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Serial |
1075 |
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| Author |
Gao, J. R.; Hajenius, M.; Baselmans, J. J. A.; Yang, Z. Q.; Baryshev, A. M.; Barends, R.; Klapwijk, T. M.; Voronov, B.; Gol'tsman, G.; Callaos, N. |
| Title |
Twin-slot antenna coupled NbN hot electron bolometer mixers for space applications |
Type |
Conference Article |
| Year |
2005 |
Publication |
Proc. 9-th WMSCI |
Abbreviated Journal |
Proc. 9-th WMSCI |
| Volume |
9 |
Issue |
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Pages |
148-153 |
| Keywords |
NbN HEB mixers |
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| Publisher |
International Institute of Informatics and Systemics |
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ISBN |
9806560639, 9789806560635 |
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Conference |
9th World Multi-Conference on Systemics, Cybernetics and Informatics |
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no |
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Serial |
1480 |
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| Author |
Casaburi, A.; Ejrnaes, M.; Quaranta, O.; Gaggero, A.; Mattioli, F.; Leoni, R.; Voronov, B.; Gol'tsman, G.; Lisitskiy, M.; Esposito, E.; Nappi, C.; Cristiano, R.; Pagano, S. |
| Title |
Experimental characterization of NbN nanowire optical detectors with parallel stripline configuration |
Type |
Conference Article |
| Year |
2008 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
| Volume |
97 |
Issue |
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Pages |
012265 (1 to 6) |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
We have developed a novel geometrical configuration for NbN-based superconducting single photon optical detector (SSPD) that achieves two goals: a much lower intrinsic impedance, and a consequently greater bandwidth, and a much larger signal amplitude compared to the standard meandered configuration. This has been obtained by implementing a properly designed parallel stripline structure where a cascade switching mechanism occurs when one of the striplines is hit by an optical photon. The overall switching occurs synchronously and in a very short time, giving rise to a strong and fast voltage pulse. The SSPD have been realized using state of the art NbN deposition technology and e-beam lithography. The strips are 100 nm wide and 5 μm long and have been realized with 4 nm NbN film on sapphire and Si substrate. We report on experimental characterization of such novel devices. The performances of the proposed novel type of SSPD are compared with standard SSPD design and results in terms of signal amplitude, risetime and effective detection area. |
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IOP Publishing |
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Edition |
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1742-6596 |
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Conference |
8th European Conference on Applied Superconductivity (EUCAS 2007) |
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no |
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Serial |
1416 |
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| Author |
Maslennikov, S.; Antipov, S.; Shishkov, A.; Svechnikov, S.; Voronov, B.; Smirnov, K.; Kaurova, N.; Drakinski, V.; Gol'tsman, G. |
| Title |
NbN HEB mixer noise temperature measurements with hot/cold load mounted inside the helium cryostat at 300 GHz |
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Conference Article |
| Year |
2002 |
Publication |
Proc. Int. Student Seminar on Microwave Appl. of Novel Physical Phenomena supported by IEEE |
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LETI |
Place of Publication |
St.-Petersburg |
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no |
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Serial |
324 |
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| Author |
Cherednichenko, S.; Khosropanah, P.; Adam, A.; Merkel, H. F.; Kollberg, E. L.; Loudkov, D.; Gol'tsman, G. N.; Voronov, B. M.; Richter, H.; Huebers, H.-W. |
| Title |
1.4- to 1.7-THz NbN hot-electron bolometer mixer for the Herschel space observatory |
Type |
Conference Article |
| Year |
2003 |
Publication |
Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
| Volume |
4855 |
Issue |
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Pages |
361-370 |
| Keywords |
NbN HEB mixers |
| Abstract |
NbN hot- electron bolometer mixers have reached the level of 10hv/k in terms of the input noise temperature with the noise bandwidth of 4-6 GHz from subMM band up to 2.5 THz. In this paper we discuss the major characteristics of this kind of receiver, i.e. the gain and the noise bandwidth, the noise temperature in a wide RF band, bias regimes and optimisation of RF coupling to the quasioptical mixer. We present the status of the development of the mixer for Band 6 Low for Herschel Telescope. |
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SPIE |
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Editor |
Phillips, T.G.; Zmuidzinas, J. |
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Millimeter and Submillimeter Detectors for Astronomy |
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no |
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Serial |
1521 |
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Danerud, M.; Winkler, D.; Zorin, M.; Trifonov, V.; Karasik, B.; Gershenzon, E. M.; Gol'tsman, G. N.; Lindgren, M. |
| Title |
Picosecond detection of infrared radiation with YBa2Cu3O7-δ thin films |
Type |
Conference Article |
| Year |
1993 |
Publication |
Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
| Volume |
2104 |
Issue |
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Pages |
183-184 |
| Keywords |
YBCO HTS HEB detectors |
| Abstract |
Picosecond nonequilibrium and slow bolometric responses from a patterned high-Tc superconducting (HTS) film due toinfrared radiation were investigated using both modulation and pulse techniques. Measurements at A, = 0.85 [tm andA, = 10.6 lim have shown a similar behaviour of the response vs modulation frequency f. The responsivity of the HTS filmbased detector at f ..- 0.6-1 GHz is estimated to be 10-2 – 10-1 V/W. |
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Spie |
Place of Publication |
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Editor |
Birch, J.R.; Parker, T.J. |
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Summary Language |
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Conference |
18th International Conference on Infrared and Millimeter Waves |
| Notes |
https://inis.iaea.org/search/searchsinglerecord.aspx?recordsFor=SingleRecord&RN=25034664 |
Approved |
no |
| Call Number |
10.1117/12.2298489 |
Serial |
1653 |
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| Author |
Gershenzon, E. M.; Gol'tsman, G. N. |
| Title |
Hot-electron superconducting mixers |
Type |
Conference Article |
| Year |
1993 |
Publication |
Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
| Volume |
2104 |
Issue |
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Pages |
329-330 |
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| Abstract |
The creation of low noise heterodyne receivers for frequencies above 1 THz is in the urgentneed for radio astronomy, laser spectroscopy, plasma diagnostic, etc. In this paper we discussthe nonlinear effect related to hot electrons in superconductors, and their potential use in lownoise submilimeter wave mixer. We also discuss results achieved so far as well as possible futuredevelopments. |
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SPIE |
Place of Publication |
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Editor |
Birch, J.R.; Parker, T.J. |
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Conference |
18th International Conference on Infrared and Millimeter Waves |
| Notes |
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Approved |
no |
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Serial |
1654 |
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