| Records |
| Author |
Divochiy, Aleksander; Marsili, Francesco; Bitauld, David; Gaggero, Alessandro; Leoni, Roberto; Mattioli, Francesco; Korneev, Alexander; Seleznev, Vitaliy; Kaurova, Nataliya; Minaeva, Olga; Gol'tsman, Gregory; Lagoudakis, Konstantinos G.; Benkhaoul, Moushab; Lévy, Francis; Fiore, Andrea |
| Title |
Superconducting nanowire photon-number-resolving detector at telecommunication wavelengths |
Type |
Journal Article |
| Year |
2008 |
Publication |
Nat. Photon. |
Abbreviated Journal |
Nat. Photon. |
| Volume |
2 |
Issue |
5 |
Pages |
302-306 |
| Keywords |
SSPD, photon-number-resolving |
| Abstract |
Optical-to-electrical conversion, which is the basis of the operation of optical detectors, can be linear or nonlinear. When high sensitivities are needed, single-photon detectors are used, which operate in a strongly nonlinear mode, their response being independent of the number of detected photons. However, photon-number-resolving detectors are needed, particularly in quantum optics, where n-photon states are routinely produced. In quantum communication and quantum information processing, the photon-number-resolving functionality is key to many protocols, such as the implementation of quantum repeaters1 and linear-optics quantum computing2. A linear detector with single-photon sensitivity can also be used for measuring a temporal waveform at extremely low light levels, such as in long-distance optical communications, fluorescence spectroscopy and optical time-domain reflectometry. We demonstrate here a photon-number-resolving detector based on parallel superconducting nanowires and capable of counting up to four photons at telecommunication wavelengths, with an ultralow dark count rate and high counting frequency. |
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916 |
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Tarkhov, M.; Claudon, J.; Poizat, J. Ph.; Korneev, A.; Divochiy, A.; Minaeva, O.; Seleznev, V.; Kaurova, N.; Voronov, B.; Semenov, A. V.; Gol'tsman, G. |
| Title |
Ultrafast reset time of superconducting single photon detectors |
Type |
Journal Article |
| Year |
2008 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal |
Appl. Phys. Lett. |
| Volume |
92 |
Issue |
24 |
Pages |
241112 (1 to 3) |
| Keywords |
SSPD, SNSPD |
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0003-6951 |
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429 |
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Cherednichenko, S.; Kollberg, E.; Angelov, I.; Drakinskiy, V.; Berg, T.; Merkel, H. |
| Title |
Effect of the direct detection effect on the HEB receiver sensitivity calibration |
Type |
Conference Article |
| Year |
2005 |
Publication |
Proc. 16th Int. Symp. Space Terahertz Technol. |
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Pages |
235-239 |
| Keywords |
HEB, mixer, direct detection effect |
| Abstract |
We analyze the scale of the HEB receiver sensitivity calibration error caused by the so called “direct detection effect”. The effect comes from changing of the HEB parameters when whey face the calibration loads of different temperatures. We found that for HIFI Band 6 mixers (Herschel Space Observatory) the noise temperature error is of the order of 8% for 300K/77K loads (lab receiver) and 2.5% for 100K/10K loads (in HIFI). Using different approach we also predict that with an isolator between the mixer and the low noise amplifiers the error can be much smaller. |
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Göteborg, Sweden |
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360 |
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Karpov, A.; Miller, D.; Stern, J. A.; Bumble, B.; LeDuc, H. G.; Zmuidzinas, J. |
| Title |
Low noise NbTiN 1.25 THz SIS mixer for Herschel Space Observatory |
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Conference Article |
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2005 |
Publication |
Proc. 16th Int. Symp. Space Terahertz Technol. |
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450 |
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Göteborg, Sweden |
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RPLAB @ s @ nt_SIS_760at1p25THz |
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359 |
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Marrone, Daniel P.; Raymond Blundell; Edward Tong; Paine, Scott. N.; Denis Loudkov; Jonathan Kawamura; Daniel Luhr; Claudio Barrientos |
| Title |
Observations in the 1.3 and 1.5 THz atmospheric windows with the Receiver Lab Telescope |
Type |
Conference Article |
| Year |
2005 |
Publication |
Proc. 16th Int. Symp. Space Terahertz Technol. |
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64-67 |
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Göteborg, Sweden |
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RPLAB @ s @ RLT_observ |
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361 |
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