期刊
APPLIED PHYSICS LETTERS
卷 102, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4792705
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资金
- Ministry of Education and Science of the Russian Federation
- Deutsche Forschungsgemeinschaft (DFG)
- State of Baden-Wurttemberg through the DFG Center for Functional Nanostructures (CFN)
- Helmholtz International Research School for Teratronics (HIRST)
- Landesgraduiertenforderung Baden-Wurttemberg
We report on experiments with superconducting metamaterials containing Josephson junctions. In these structures, split-ring resonators used in conventional metamaterials are replaced by superconducting loops that are interrupted by Josephson junctions, so called rf-SQUIDs. Like the split-ring resonators, these elements can be seen as LC-resonators that couple to the magnetic field. The advantage of superconducting thin-film metamaterials is that, due to the tunable intrinsic inductance of the Josephson junction, the resonance frequency of the rf-SQUID can be changed by applying an external dc magnetic field. We present experimental results that demonstrate the tunability of the resonance frequency of these devices. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4792705]
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