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Title

Microwave quantum optics with an artificial atom in one-dimensional open space

AuthorsHoi, Io-Chun; Wilson, C.M.; Johansson, Göran; Lindkvist, Joel; Peropadre, Borja ; Palomaki, Tauno; Delsing, Per
Issue Date2013
PublisherInstitute of Physics Publishing
CitationNew Journal of Physics 15, 025011 (2013)
AbstractWe address recent advances in microwave quantum optics with artificial atoms in one-dimensional (1D) open space. This field relies on the fact that the coupling between a superconducting artificial atom and propagating microwave photons in a 1D open transmission line can be made strong enough to observe quantum coherent effects, without using any cavity to confine the microwave photons. We investigate the scattering properties in such a system with resonant coherent microwaves. We observe the strong nonlinearity of the artificial atom and under strong driving we observe the Mollow triplet. By applying two resonant tones, we also observe the Autler-Townes splitting. Exploiting these effects, we demonstrate two quantum devices at the single-photon level in the microwave regime: the single-photon router and the photon-number filter. These devices provide important steps toward the realization of an on-chip quantum network. © IOP Publishing and Deutsche Physikalische Gesellschaft.
URIhttp://hdl.handle.net/10261/87499
DOI10.1088/1367-2630/15/2/025011
Identifiersdoi: 10.1088/1367-2630/15/2/025011
issn: 1367-2630
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