Abstract
We have designed, fabricated and measured high-Q λ/2 coplanar waveguide microwave resonators whose resonance frequency is made tunable with magnetic field by inserting a DC-SQUID array (including 1 or 7 SQUIDs) inside. Their tunability range is 30% of the zero field frequency. Their quality factor reaches up to 3×10 4. We present a model based on thermal fluctuations that accounts for the dependence of the quality factor with magnetic field. © Springer Science+Business Media, LLC 2008.
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Palacios-Laloy, A., Nguyen, F., Mallet, F., Bertet, P., Vion, D., & Esteve, D. (2008). Tunable resonators for quantum circuits. Journal of Low Temperature Physics, 151(3-4 PART 2), 1034–1042. https://doi.org/10.1007/s10909-008-9774-x
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