| Records |
| Author |
Fedorov, G.; Gayduchenko, I.; Titova, N.; Gazaliev, A.; Moskotin, M.; Kaurova, N.; Voronov, B.; Goltsman, G. |
| Title |
Carbon nanotube based schottky diodes as uncooled terahertz radiation detectors |
Type |
Journal Article |
| Year |
2018 |
Publication |
Phys. Status Solidi B |
Abbreviated Journal |
Phys. Status Solidi B |
| Volume |
255 |
Issue |
1 |
Pages |
1700227 (1 to 6) |
| Keywords |
carbon nanotube schottky diodes, CNT |
| Abstract |
Despite the intensive development of the terahertz technologies in the last decade, there is still a shortage of efficient room‐temperature radiation detectors. Carbon nanotubes (CNTs) are considered as a very promising material possessing many of the features peculiar for graphene (suppression of backscattering, high mobility, etc.) combined with a bandgap in the carrier spectrum. In this paper, we investigate the possibility to incorporate individual CNTs into devices that are similar to Schottky diodes. The latter is currently used to detect radiation with a frequency up to 50 GHz. We report results obtained with semiconducting (bandgap of about 0.5 eV) and quasi‐metallic (bandgap of few meV) single‐walled carbon nanotubes (SWNTs). Semiconducting CNTs show better performance up to 300 GHz with responsivity up to 100 V W−1, while quasi‐metallic CNTs are shown to operate up to 2.5 THz. |
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Edition |
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| ISSN |
0370-1972 |
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no |
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Serial |
1321 |
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| Author |
Gol'tsman, G. N.; Korneev, A.; Rubtsova, I.; Milostnaya, I.; Chulkova, G.; Minaeva, O.; Smirnov, K.; Voronov, B.; Słysz, W.; Pearlman, A.; Verevkin, A.; Sobolewski, R. |
| Title |
Ultrafast superconducting single-photon detectors for near-infrared-wavelength quantum communications |
Type |
Journal Article |
| Year |
2005 |
Publication |
Phys. Stat. Sol. (C) |
Abbreviated Journal |
Phys. Stat. Sol. (C) |
| Volume |
2 |
Issue |
5 |
Pages |
1480-1488 |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
We present our progress on the research and development of NbN superconducting single‐photon detectors (SSPD's) for ultrafast counting of near‐infrared photons for secure quantum communications. Our SSPD's operate in the quantum detection mode based on the photon‐induced hotspot formation and subsequent development of a transient resistive barrier across an ultrathin and submicron‐width superconducting stripe. The devices are fabricated from 4‐nm‐thick NbN films and kept in the 4.2‐ to 2‐K temperature range. The detector experimental quantum efficiency in the photon‐counting mode reaches above 40% for the visible light and up to 30% in the 1.3‐ to 1.55‐µm wavelength range with dark counts below 0.01 per second. The experimental real‐time counting rate is above 2 GHz and is limited by our readout electronics. The SSPD's timing jitter is below 18 ps, and the best‐measured value of the noise‐equivalent power (NEP) is 5 × 10–21 W/Hz1/2 at 1.3 µm. In terms of quantum efficiency, timing jitter, and maximum counting rate, our NbN SSPD's significantly outperform semiconductor avalanche photodiodes and photomultipliers in the 1.3‐ to 1.55‐µm range. |
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Edition |
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| ISSN |
1610-1634 |
ISBN |
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no |
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Serial |
1479 |
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| Author |
Semenov, A. D.; Hübers, H.-W.; Gol’tsman, G. N.; Smirnov, K. |
| Title |
Superconducting quantum detector for astronomy and X-ray spectroscopy |
Type |
Conference Article |
| Year |
2002 |
Publication |
Proc. Int. Workshop on Supercond. Nano-Electronics Devices |
Abbreviated Journal |
Proc. Int. Workshop on Supercond. Nano-Electronics Devices |
| Volume |
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Issue |
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Pages |
201-210 |
| Keywords |
NbN SSPD, SNSPD, SQD, superconducting quantum detectors, X-ray spectroscopy |
| Abstract |
We propose the novel concept of ultra-sensitive energy-dispersive superconducting quantum detectors prospective for applications in astronomy and X-ray spectroscopy. Depending on the superconducting material and operation conditions, such detector may allow realizing background limited noise equivalent power 10−21 W Hz−1/2 in the terahertz range when exposed to 4-K background radiation or counting of 6-keV photon with almost 10—4 energy resolution. Planar layout and relatively simple technology favor integration of elementary detectors into a detector array. |
| Address |
Naples, Italy |
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Springer |
Place of Publication |
Boston, MA |
Editor |
Pekola, J.; Ruggiero, B.; Silvestrini, P. |
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ISBN |
978-1-4615-0737-6 |
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Conference |
International Workshop on Superconducting Nano-Electronics Devices, May 28-June 1, 2001 |
| Notes |
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Approved |
no |
| Call Number |
semenov2002superconducting |
Serial |
1525 |
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| Author |
Fiore, A.; Marsili, F.; Bitauld, D.; Gaggero, A.; Leoni, R.; Mattioli, F.; Divochiy, A.; Korneev, A.; Seleznev, V.; Kaurova, N.; Minaeva, O.; Gol’tsman, G. |
| Title |
Counting photons using a nanonetwork of superconducting wires |
Type |
Conference Article |
| Year |
2009 |
Publication |
Nano-Net |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
120-122 |
| Keywords |
SSPD, SNSPD |
| Abstract |
We show how the parallel connection of photo-sensitive superconducting nanowires can be used to count the number of photons in an optical pulse, down to the single-photon level. Using this principle we demonstrate photon-number resolving detectors with unprecedented sensitivity and speed at telecommunication wavelengths. |
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Springer Berlin Heidelberg |
Place of Publication |
Berlin, Heidelberg |
Editor |
Cheng, M. |
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978-3-642-02427-6 |
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no |
| Call Number |
10.1007/978-3-642-02427-6_20 |
Serial |
1242 |
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| Author |
Sergeev, A. V.; Aksaev, E. E.; Gogidze, I. G.; Gol’tsman, G. N.; Semenov, A. D.; Gershenzon, E. M. |
| Title |
Thermal boundary resistance at YBaCuO film-substrate interface |
Type |
Conference Article |
| Year |
1993 |
Publication |
Phonon Scattering in Condensed Matter VII. Springer Series in Solid-State Sciences |
Abbreviated Journal |
Phonon Scattering in Condensed Matter VII. Springer Series in Solid-State Sciences |
| Volume |
112 |
Issue |
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Pages |
405-406 |
| Keywords |
YBCO films |
| Abstract |
The nanosecond voltage response of YBaCuo films on Al2O3, MgO and ZrO2 substrates to electromagnetic radiation of millimeter and visible ranges has been investigated. The analysis of experimental conditions for Al2O3 and MgO substrates shows that the resistance change is monitored by the Kapitza boundary shift of temperature during the temporal interval ~ 100 ns limited by the time of phonon return from a substrate into a film. The observed exponential voltage decay is described by the phonon escape time which is proportional to the film thickness and is weakly temperature dependent. |
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Editor |
Meissner, M.; Pohl, R. O. |
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Seventh International Conference, Cornell University, Ithaca, New York, August 3-7, 1992 |
| Notes |
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Approved |
no |
| Call Number |
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Serial |
1665 |
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