| Records |
| Author |
Gershenson, M. E.; Gong, D.; Sato, T.; Karasik, B. S.; Sergeev, A. V. |
| Title |
Millisecond electron-phonon relaxation in ultrathin disordered metal films at millikelvin temperatures |
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Journal Article |
| Year |
2001 |
Publication |
Appl. Phys. Lett. |
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79 |
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2049-2051 |
| Keywords |
HEB detector, FIR, far infrared |
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RPLAB @ s @ heb_eph_interaction_Gershenzon |
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315 |
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Ferrari, S.; Kovalyuk, V.; Hartmann, W.; Vetter, A.; Kahl, O.; Lee, C.; Korneev, A.; Rockstuhl, C.; Gol'tsman, G.; Pernice, W. |
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Hot-spot relaxation time current dependence in niobium nitride waveguide-integrated superconducting nanowire single-photon detectors |
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Journal Article |
| Year |
2017 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
| Volume |
25 |
Issue |
8 |
Pages |
8739-8750 |
| Keywords |
SSPD, SNSPD, photon counting; Infrared; Quantum detectors; Integrated optics; Multiphoton processes; Photon statistics |
| Abstract |
We investigate how the bias current affects the hot-spot relaxation dynamics in niobium nitride. We use for this purpose a near-infrared pump-probe technique on a waveguide-integrated superconducting nanowire single-photon detector driven in the two-photon regime. We observe a strong increase in the picosecond relaxation time for higher bias currents. A minimum relaxation time of (22 +/- 1)ps is obtained when applying a bias current of 50% of the switching current at 1.7 K bath temperature. We also propose a practical approach to accurately estimate the photon detection regimes based on the reconstruction of the measured detector tomography at different bias currents and for different illumination conditions. |
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RPLAB @ kovalyuk @ |
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1118 |
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Käufl, H. U.; Rothermal, H.; Drapatz, S. |
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Investigation of the Martian atmosphere by 10 micron heterodyne spectroscopy |
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Journal Article |
| Year |
1984 |
Publication |
Astron. Astrophys. |
Abbreviated Journal |
A&A |
| Volume |
136 |
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319-325 |
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astronomical spectroscopy, atmospheric composition, infrared astronomy, mars atmosphere, spectral line width, carbon dioxide concentration, nonequilibrium thermodynamics, optical heterodyning, planetary radiation, mars, atmosphere, spectroscopy, atmosphere, carbon dioxide, altitude, kinetics, rotation, thermal properties, temperature, emissions, intensity, models, data, spectra |
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449 |
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Rothermel, H.; Käufl, H. U.; Schrey, U.; Drapatz, S. |
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Thermal structure of the Martian mesosphere |
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Journal Article |
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1988 |
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Astron. Astrophys. |
Abbreviated Journal |
A&A |
| Volume |
196 |
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296-300 |
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atmospheric temperature, carbon dioxide, infrared spectroscopy, mars atmosphere, mesosphere, emission spectra, line spectra, spatial resolution, mars, atmosphere, mesosphere, structure, thermal properties, spectra, spectroscopy, earth-based observations, temperature, patterns, infrared, polar regions, wavelengths, equipment, procedure, carbon dioxide, emissions |
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Rothermel1988 |
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450 |
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Johnson, M. A.; Betz, A. L.; McLaren, R. A.; Townes, C. H.; Sutton, E. C. |
| Title |
Nonthermal 10 micron CO2 emission lines in the atmospheres of Mars and Venus |
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Journal Article |
| Year |
1976 |
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Astron. Astrophys. |
Abbreviated Journal |
A&A |
| Volume |
208 |
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145 |
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carbon dioxide, emission spectra, infrared spectra, mars atmosphere, nonthermal radiation, optical heterodyning, planetary radiation, venus atmosphere, absorption spectra, energy transfer, line spectra, molecular absorption, molecular collisions, near infrared radiation, solar flux |
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ref1976ApJ...208L.145J |
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451 |
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