Search results for "Ghz sensors"

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Hypersensitive tunable Josephson escape sensor for gigahertz astronomy

2020

Sensitive photon detection in the gigahertz band constitutes the cornerstone to study different phenomena in astronomy, such as radio burst sources, galaxy formation, cosmic microwave background, axions, comets, gigahertz-peaked spectrum radio sources and supermassive black holes. Nowadays, state of the art detectors for astrophysics are mainly based on transition edge sensors and kinetic inductance detectors. Overall, most sensible nanobolometers so far are superconducting detectors showing a noise equivalent power (NEP) as low as 2x10-20 W/Hz1/2. Yet, fast thermometry at the nanoscale was demonstrated as well with Josephson junctions through switching current measurements. In general, det…

PhotonastrofysiikkaDark matterCosmic microwave backgroundtutkimuslaitteetGeneral Physics and AstronomyFOS: Physical sciences02 engineering and technologyQuantum key distribution01 natural sciences7. Clean energySettore FIS/03 - Fisica della MateriasuprajohteetGhz sensorsNuclear physicsSuperconductivity (cond-mat.supr-con)bolometer0103 physical sciencesMesoscale and Nanoscale Physics (cond-mat.mes-hall)Galaxy formation and evolutioncalorimeter010306 general physicsQuantum computerPhysicsCondensed Matter - Mesoscale and Nanoscale PhysicsCondensed Matter - Superconductivity021001 nanoscience & nanotechnologyQuantum technologyModulationilmaisimet0210 nano-technology
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