Microwave Photon Detector in Circuit QED

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dc.creatorRomero, G.
dc.creatorGarcia-Ripoll, J. J.
dc.creatorSolano, E.
dc.date2008-11-24
dc.date2009-04-12
dc.date.accessioned2026-07-07T13:09:14Z
dc.date.available2026-07-07T13:09:14Z
dc.descriptionQuantum optical photodetection has occupied a central role in understanding radiation-matter interactions. It has also contributed to the development of atomic physics and quantum optics, including applications to metrology, spectroscopy, and quantum information processing. The quantum microwave regime, originally explored using cavities and atoms, is seeing a novel boost with the generation of nonclassical propagating fields in circuit quantum electrodynamics (QED). This promising field, involving potential developments in quantum information with microwave photons, suffers from the absence of photodetectors. Here, we design a metamaterial composed of discrete superconducting elements that implements a high-efficiency microwave photon detector. Our design consists of a microwave guide coupled to an array of metastable quantum circuits, whose internal states are irreversibly changed due to the absorption of photons. This proposal can be widely applied to different physical systems and can be generalized to implement a microwave photon counter.
dc.descriptionaccepted in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/0811.3909
dc.identifierhttp://arxiv.org/abs/0811.3909
dc.identifierPhys. Rev. Lett. 102, 173602 (2009)
dc.identifierdoi:10.1103/PhysRevLett.102.173602
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/228665
dc.subjectMesoscale and Nanoscale Physics
dc.subjectQuantum Physics
dc.titleMicrowave Photon Detector in Circuit QED
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