| Records |
| Author |
Gershenzon, E. M.; Gol'tsman, G. N. |
| Title |
Transitions of electrons between excited states of donors in germanium |
Type |
Journal Article |
| Year |
1971 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
Volume  |
14 |
Issue |
2 |
Pages |
63-65 |
| Keywords |
Ge, donors, excited states |
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1740 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Emtsev, V. V.; Mashovets, T. V.; Ptitsyna, N. G.; Ryvkin, S. M. |
| Title |
Role of impurities of groups III and V in the formation of defects following γ irradiation of germanium |
Type |
Journal Article |
| Year |
1971 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
| Volume |
14 |
Issue |
6 |
Pages |
241 |
| Keywords |
Ge, gamma irradiation, defects, impurities |
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1742 |
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Vodolazov, D. Y.; Manova, N. N.; Korneeva, Y. P.; Korneev, A. A. |
| Title |
Timing jitter in NbN superconducting microstrip single-photon detector |
Type |
Journal Article |
| Year |
2020 |
Publication |
Phys. Rev. Applied |
Abbreviated Journal |
Phys. Rev. Applied |
| Volume |
14 |
Issue |
4 |
Pages |
044041 (1 to 8) |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
We experimentally study timing jitter of single-photon detection by NbN superconducting strips with width w ranging from 190 nm to 3μm. We find that timing jitter of both narrow (190 nm) and micron-wide strips is about 40 ps at currents where internal detection efficiency η saturates and it is close to our instrumental jitter. We also calculate intrinsic timing jitter in wide strips using the modified time-dependent Ginzburg-Landau equation coupled with a two-temperature model. We find that with increasing width the intrinsic timing jitter increases and the effect is most considerable at currents where a rapid growth of η changes to saturation. We relate it with complicated vortex and antivortex dynamics, which depends on a photon’s absorption site across the strip and its width. The model also predicts that at current close to depairing current the intrinsic timing jitter of a wide strip could be about ℏ/kBTc (Tc is a critical temperature of superconductor), i.e., the same as for a narrow strip. |
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2331-7019 |
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1788 |
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| Author |
Semenov, Alexei D; Gol'tsman, Gregory N; Sobolewski, Roman |
| Title |
Hot-electron effect in superconductors and its applications for radiation sensors |
Type |
Journal Article |
| Year |
2002 |
Publication |
Superconductor Science and Technology |
Abbreviated Journal |
Supercond. Sci. Technol. |
| Volume |
15 |
Issue |
4 |
Pages |
R1-R16 |
| Keywords |
HEB, SSPD |
| Abstract |
The paper reviews the main aspects of nonequilibrium hot-electron phenomena in superconductors and various theoretical models developed to describe the hot-electron effect. We discuss implementation of the hot-electron avalanche mechanism in superconducting radiation sensors and present the most successful practical devices, such as terahertz mixers and direct intensity detectors, for far-infrared radiation. Our presentation also includes the novel approach to hot-electron quantum detection implemented in superconducting x-ray to optical photon counters. |
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0953-2048 |
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416 |
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Loudkov, D.; Tong, C. Y. E.; Blundell, R.; Kaurova, N.; Grishina, E.; Voronov, B.; Gol'tsman, G. |
| Title |
An investigation of the performance of the superconducting HEB슠mixer as a function of its RF슠embedding impedance |
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Journal Article |
| Year |
2005 |
Publication |
IEEE Trans. Appl. Supercond. |
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15 |
Issue |
2 |
Pages |
472-475 |
| Keywords |
HEB mixer |
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IEEE |
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371 |
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