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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 |
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Superconducting nanowire photon-number-resolving detector at telecommunication wavelengths |
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2008 |
Publication |
Nat. Photon. |
Abbreviated Journal |
Nat. Photon. |
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2 |
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5 |
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302-306 |
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SSPD, photon-number-resolving |
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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. |
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Title |
Ultrafast reset time of superconducting single photon detectors |
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Journal Article |
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2008 |
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Appl. Phys. Lett. |
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Appl. Phys. Lett. |
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92 |
Issue |
24 |
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241112 (1 to 3) |
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SSPD, SNSPD |
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0003-6951 |
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429 |
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Dorenbos, S. N.; Reiger, E. M.; Perinetti, U.; Zwiller, V.; Zijlstra, T.; Klapwijk, T. M. |
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Title |
Low noise superconducting single photon detectors on silicon |
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Journal Article |
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2008 |
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Applied Physics Letters |
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Appl. Phys. Lett. |
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93 |
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13 |
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131101 |
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0003-6951 |
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RPLAB @ s @ |
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436 |
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Steier, W. H.; Oh, M. C.; Zhang, C.; Zhang, H.; Szep, A.; Fetterman, H. R.; Chang, Y.; Erlig, H.; Tsap, B.; Dalton, L. R. |
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Electro-optic polymers and applications in next generation phase array antennas |
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Miscellaneous |
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2008 |
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IR modulator |
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Presentation. The year of the publication is from the file (pdf) properties. |
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539 |
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Author |
Cherednichenko, S.; Drakinskiy, V. |
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Title |
Low noise hot-electron bolometer mixers for terahertz frequencies |
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Journal Article |
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Year |
2008 |
Publication |
J. Low Temp. Phys. |
Abbreviated Journal |
J. Low Temp. Phys. |
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Volume |
151 |
Issue |
1-2 |
Pages |
575-579 |
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Keywords |
HEB, mixer, gain bandwidth, MgB2 |
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Hot-electron bolometer (HEB) mixers are used in many low noise heterodyne radio astronomical receivers. Their noise temperature is at the level of 10–15 times the quantum limit. However, their gain bandwidth is a serious limiting factor. Here we review the state of the art of the HEB mixers gain bandwidth for different materials and substrates. We compare the gain bandwidth of HEB mixers made on bulk substrates and thin membranes. Finally, results for MgB2 thin films for broadband HEB mixers are discussed. |
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0022-2291 |
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RPLAB @ lobanovyury @ |
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553 |
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