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Title

Nanoscale constrictions in superconducting coplanar waveguide resonators

AuthorsJenkins, Mark; Naether, Uta; Ciria, Miguel; Sesé Monclús, Javier ; Zueco, David; Luis, Fernando
Issue Date2014
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 105(16): 162601 (2014)
AbstractWe report on the design, fabrication, and characterization of superconducting coplanar waveguide resonators with nanoscopic constrictions. By reducing the size of the center line down to 50nm, the radio frequency currents are concentrated and the magnetic field in its vicinity is increased. The device characteristics are only slightly modified by the constrictions, with changes in resonance frequency lower than 1% and internal quality factors of the same order of magnitude as the original ones. These devices could enable the achievement of higher couplings to small magnetic samples or even to single molecular spins and have applications in circuit quantum electrodynamics, quantum computing, and electron paramagnetic resonance.
DescriptionUnder the terms of the Creative Commons Attribution 3.0 Unported License to their work.-- et al.
Publisher version (URL)http://dx.doi.org/10.1063/1.4899141
URIhttp://hdl.handle.net/10261/120897
DOI10.1063/1.4899141
Identifiersdoi: 10.1063/1.4899141
issn: 0003-6951
e-issn: 1077-3118
Appears in Collections:(ICMA) Artículos
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