Journal
APPLIED PHYSICS LETTERS
Volume 102, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4802893
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Funding
- National Basic Research Program of China [2012CB927404]
- National Natural Science Foundation of China [11174248, 11222437, 11104242]
- Zhejiang Provincial Natural Science Foundation of China [LR12A04001]
- IARPA under ARO [W911NF-08-01-0336]
- IARPA under ARO of USA [W911NF-09-1-0375]
- Zhejiang Provincial Education Department [Y200909427]
- NSF
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We demonstrate a frequency-tunable superconducting coplanar waveguide resonator, with a tuning range of half a gigahertz and a switching time of 1 ns. The resonator is made tunable by inserting a superconducting quantum interference device in the center strip of the resonator. Quantum measurements are made by probing the resonator with a superconducting qubit, allowing us to use microwave photon Fock states to benchmark the resonator performance. Using the resonator, we shuttle energy quanta between the qubit and a microscopic two-level state. The tunable resonator can, therefore, serve as a communication bus or memory element in a prototype quantum processor. (C) 2013 AIP Publishing LLC. [http://dx.doi.org/10.1063/1.4802893]
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