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Magnetic field tuning of coplanar waveguide resonators.

Healey, J E*; Lindstrom, T; Colclough, M S*; Muirhead, C M*; Tzalenchuk, A Y (2008) Magnetic field tuning of coplanar waveguide resonators. Appl. Phys. Lett., 93 (4). 043513

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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.

Item Type: Article
Keywords: resonators, superconductivity
Subjects: Quantum Phenomena
Quantum Phenomena > Quantum Information Processing and Communication
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/4221

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