Berlin 2012 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 13: Transport: Poster Session

TT 13.42: Poster

Montag, 26. März 2012, 15:00–19:00, Poster B

Quantum metamaterials with superconducting flux qubits — •Pascal Macha¹, Gregor Oelsner¹, Markus Jerger², Uwe Hübner¹, Susanne Butz², Evgeni Il'ichev¹, Alexev V. Ustinov², and Hans-Georg Meyer¹ — ¹Institute of Photonic Technology, PO Box 100239, D-07702 Jena, Germany — ²Physikalisches Institut, Karlsruhe Institute of Technology and DFG-Center for Functional Nanostructures (CFN), D-76128 Karlsruhe, Germany

In recent years superconducting qubits have opened up a new route to explore the physics of quantum metamaterials. Artificial materials, formed by many qubits, can potentially exhibit unusual and controllable refraction (transmission) coefficients in the microwave range. We have fabricated cavities and transmission lines containing 20 flux qubits and more. We experimentally investigate the transmission of electromagnetic waves through these new types of media. First experimental results will be presented and discussed.