Ultrasensitive proximity Josephson sensor with kinetic inductance readout (Articolo in rivista)

Type
Label
  • Ultrasensitive proximity Josephson sensor with kinetic inductance readout (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Giazotto, F; Heikkila, TT; Pepe, GP; Helisto, P; Luukanen, A; Pekola, JP (2008)
    Ultrasensitive proximity Josephson sensor with kinetic inductance readout
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Giazotto, F; Heikkila, TT; Pepe, GP; Helisto, P; Luukanen, A; Pekola, JP (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 92 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Giazotto, Francesco] INFM, CNR, NEST, I-56126 Pisa, Italy; [Giazotto, Francesco] Scoula Normale Super, I-56126 Pisa, Italy; [Heikkila, Tero T.; Pekola, Jukka P.] Helsinki Univ Technol, Low Temp Lab, FIN-02015 Helsinki, Finland; [Pepe, Giovanni Piero] Univ Naples Federico 2, INFM, CNR, Coherentia & Dipartimento Sci Fis, I-80125 Naples, Italy; [Helisto, Panu] VTT Informat Technol, FIN-02150 Espoo, Finland; [Luukanen, Arttu] VTT, Milli Lab, FIN-02150 Espoo, Finland (literal)
Titolo
  • Ultrasensitive proximity Josephson sensor with kinetic inductance readout (literal)
Abstract
  • We propose a mesoscopic kinetic-inductance radiation detector based on a long superconductor-normal metal-superconductor Josephson junction. The operation of this proximity Josephson sensor relies on large kinetic inductance variations under irradiation due to the exponential temperature dependence of the critical current. Coupled with a dc superconducting quantum interference device readout, the PJS is able to provide a signal to noise (S/N) ratio up to similar to 10(3) in the terahertz regime if operated as calorimeter, while electrical noise equivalent power as low as similar to 7x10(-20) W/root Hz at 200 mK can be achieved in the bolometer operation. The high performance together with the ease of fabrication make this structure attractive as an ultrasensitive cryogenic detector of terahertz electromagnetic radiation. (C) 2008 American Institute of Physics. (literal)
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