Magnetic field tuning of coplanar waveguide resonators
arXiv:0805.2818 · doi:10.1063/1.2959824
Abstract
We describe measurements on microwave coplanar resonators designed for quantum bit experiments. Resonators have been patterned onto sapphire and silicon substrates, and quality factors in excess of a million have been observed. The resonant frequency shows a high sensitivity to magnetic field applied perpendicular to the plane of the film, with a quadratic dependence for the fundamental, second and third harmonics. Frequency shift of hundreds of linewidths can be obtained.
Accepted for publication in APL
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