Journal
EPJ QUANTUM TECHNOLOGY
Volume 3, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1140/epjqt/s40507-016-0048-2
Keywords
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Funding
- German Research Foundation [SFB 631, FE 1564/1-1]
- EU
- doctorate program ExQM of the Elite Network of Bavaria
- Spanish MINECO [FIS2012-33022, FIS2012-36673-C03-02, FIS2015-69983-P]
- CAM Research Network QUITEMAD+
- Basque Government [IT472-10]
- UPV/EHU [UFI 11/55]
- TUM August-Wilhelm Scheer Visiting Professorship
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We realize tunable coupling between two superconducting transmission line resonators. The coupling is mediated by a non-hysteretic rf SQUID acting as a flux-tunable mutual inductance between the resonators. We present a spectroscopic characterization of the device. In particular, we observe couplings g/2 pi ranging between -320 MHz and 37 MHz. In the case of g similar or equal to 0, the microwave power cross transmission between the two resonators is reduced by almost four orders of magnitude as compared to the case where the coupling is switched on.
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