| Records |
| Author |
Семенов, Александр Владимирович |
| Title |
Проскальзывание фазы, поглощение электромагнитного излучения и формирование отклика в детекторах на основе узких полосок сверхпроводников |
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Manuscript |
| Year |
2010 |
Publication |
М. МПГУ |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
SSPD, SNSPD, response |
| Abstract |
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Thesis  |
Ph.D. thesis |
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| Language |
Russian |
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1150 |
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| Author |
Смирнов, Константин Владимирович |
| Title |
Энергетическая релаксация электронов в 2D-канале гетеропереходов GAAS/ALGAAS и транспортные процессы в структурах полупроводник-сверхпроводник на их основе |
Type |
Manuscript |
| Year |
2000 |
Publication |
М. МПГУ |
Abbreviated Journal |
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Issue |
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Pages |
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| Keywords |
2DEG, AlGaAs/GaAs heterostructures, NbN films |
| Abstract |
Диссертация посвящена изучению электрон-фононного взаимодействия в двумерном электронном газе, образующемся на границе раздела полупроводников AlGaAs и GaAs, а также созданию на основе гетероперехода GaAs/AlGaAs и сверхпроводника NbN гибридных структур сверхпроводник-полупроводник-сверхпроводник и изучению их электрофизических свойств. |
| Address |
Москва, МПГУ |
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Thesis |
Ph.D. thesis |
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no |
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Serial |
1830 |
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| Author |
Sobolewski, Roman; Xu, Ying; Zheng, Xuemei; Williams, Carlo; Zhang, Jin; Verevkin, Aleksandr; Chulkova, Galina; Korneev, Alexander; Lipatov, Andrey; Okunev, Oleg; Smirnov, Konstantin; Gol'tsman, Gregory N. |
| Title |
Spectral sensitivity of the NbN single-photon superconducting detector |
Type |
Journal Article |
| Year |
2002 |
Publication |
IEICE Trans. Electron. |
Abbreviated Journal |
IEICE Trans. Electron. |
| Volume |
E85-C |
Issue |
3 |
Pages |
797-802 |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
We report our studies on the spectral sensitivity of superconducting NbN thin-film single-photon detectors (SPD's) capable of GHz counting rates of visible and near-infrared photons. In particular, it has been shown that a NbN SPD is sensitive to 1.55-µm wavelength radiation and can be used for quantum communication. Our SPD's exhibit experimentally measured intrinsic quantum efficiencies from 20% at 800 nm up to 1% at 1.55-µm wavelength. The devices demonstrate picosecond response time (<100 ps, limited by our readout system) and negligibly low dark counts. Spectral dependencies of photon counting of continuous-wave, 0.4-µm to 3.5-µm radiation, and 0.63-µm, 1.33-µm, and 1.55-µm laser-pulsed radiations are presented for the single-stripe-type and meander-type devices. |
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1531 |
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| Author |
Kroug, M.; Yagoubov, P.; Gol'tsman, G.; Kollberg, E. |
| Title |
NbN quasioptical phonon cooled hot electron bolometric mixers at THz frequencies |
Type |
Conference Article |
| Year |
1997 |
Publication |
Inst. Phys. Conf. Ser. |
Abbreviated Journal |
Inst. Phys. Conf. Ser. |
| Volume |
1 |
Issue |
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Pages |
405-408 |
| Keywords |
NbN HEB mixers |
| Abstract |
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| Address |
Veldhoven |
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Thesis |
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Place of Publication |
Bristol |
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Edition |
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| ISSN |
0951-3248 |
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Conference |
3rd Eur. Conf. on Applied Superconductivity |
| Notes |
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Approved |
no |
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Serial |
1600 |
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| Author |
Merkel, H. F.; Yagoubov, P. A.; Kroug, M.; Khosropanah, P.; Kollberg, E. L.; Gol’tsman, G. N.; Gershenzon, E. M. |
| Title |
Noise temperature and absorbed LO power measurement methods for NbN phonon-cooled hot electron bolometric mixers at terahertz frequencies |
Type |
Conference Article |
| Year |
1998 |
Publication |
Proc. 28th European Microwave Conf. |
Abbreviated Journal |
Proc. 28th European Microwave Conf. |
| Volume |
1 |
Issue |
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Pages |
294-299 |
| Keywords |
NbN HEB mixers |
| Abstract |
In this paper the absorbed LO power requirements and the noise performance of NbN based phonon-cooled hot electron bolometric (HEB) quasioptical mixers are investigated for RF frequencies in the 0.55-1.1 range The minimal measured DSB noise temperatures are about 500 K at 640 GHz, 600 K at 750 GHz, 850 K at 910 GHz and 1250 K at 1.1 THz. The increase in noise temperature at 1.1THz is attributed to water absorption. The absorbed LO power is measured using a calorimetric approach. The results are subsequently corrected for lattice heating. These values are compared to results of a novel one dimensional hot spot mixer models and to a more traditional isotherm method which tends to underestimate the absorbed LO power for small bias powers. Typically a LO power between 50nW and 100nW is needed to pump the device to the optimal operating point. |
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28th European Microwave Conference |
| Notes |
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no |
| Call Number |
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Serial |
1580 |
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