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Author |
Gupta, D.; Kadin, A. M. |
Title |
Single-photon-counting hotspot detector with integrated RSFQ readout electronics |
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Journal Article |
Year |
1999 |
Publication |
IEEE Trans. Appl. Supercond. |
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9 |
Issue |
2 |
Pages |
4487-4490 |
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RSFQ, SSPD, SNSPD |
Abstract |
Absorption of an infrared photon in an ultrathin film (such as 10-nm NbN) creates a localized nonequilibrium hotspot on the submicron length scale and sub-ns time scale. If a strip /spl sim/1 /spl mu/m wide is biased in the middle of the superconducting transition, this hotspot will lead to a resistance pulse with amplitude proportional to the energy of the incident photon. This resistance pulse, in turn, can be converted to a current pulse and inductively coupled to a SQUID amplifier with a digitized output, operating at 4 K or above. A preliminary design analysis indicates that this data can be processed on-chip, using ultrafast RSFQ digital circuits, to obtain a sensitive infrared detector for wavelengths up to 10 /spl mu/m and beyond, with bandwidth of 1 GHz, that counts individual photons and measures their energy with 25 meV resolution. This proposed device combines the speed of a hot-electron bolometer with the single-photon-counting ability of a transition-edge microcalorimeter, to obtain an infrared detector with sensitivity, speed, and spectral selectivity that are unmatched by any alternative technology. |
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1080 |
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Koshelets, V.P.; Dmitriev, P.N.; Ermakov, A.B.; Sobolev, A.S.; Torgashin, M.Y.; Kurin, V.V.; Pankratov, A.L.; Mygind, J. |
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Optimization of the phase-locked flux-flow oscillator for the submm integrated receiver |
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Journal Article |
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2005 |
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IEEE Trans. Appl. Supercond. |
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15 |
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2 |
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964-967 |
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1051-8223 |
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515 |
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Koshelets, V. P.; Shitov, S. V.; Ermakov, A. B.; Filippenko, L. V.; Koryukin, O. V.; Khudchenko, A. V.; Torgashin, M. Yu.; Yagoubov, P. A.; Hoogeveen, R. W. M.; Pylypenko, O. M. |
Title |
Superconducting integrated receiver for TELIS |
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Journal Article |
Year |
2005 |
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IEEE Trans. Appl. Supercond. |
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15 |
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2 |
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960-963 |
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517 |
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Koshelets, V. P.; Ermakov, A. B.; Filippenko, L. V.; Khudchenko, A. V.; Kiselev, O. S.; Sobolev, A. S.; Torgashin, M. Y.; Yagoubov, P. A.; Hoogeveen, R. W. M.; Wild, W. |
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Superconducting integrated submillimeter receiver for TELIS |
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2007 |
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IEEE Trans. Appl. Supercond. |
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17 |
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2 |
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336-342 |
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Torgashin, Mikhail Yu.; Koshelets, Valery P.; Dmitriev, Pavel N.; Ermakov, Andrey B.; Filippenko, Lyudmila V.; Yagoubov, Pavel A. |
Title |
Superconducting Integrated Receiver Based on Nb-AlN-NbN-Nb Circuits |
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Journal Article |
Year |
2007 |
Publication |
IEEE Trans. Appl. Supercond. |
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17 |
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2 |
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379-382 |
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