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Superconducting Qubits

Resonant Cooper pair tunneling through a double-island qubit.

PubMed
Authors: Bibow E, Lafarge P, Lévy LP

Year

2002

Paper ID

13146

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

72

Citations

N/A

Abstract

We have measured transport in the Coulomb blockade regime through a quantum system consisting of two superconducting islands coupled by a Josephson junction. The double island is weakly connected to leads by small superconducting tunnel junctions. At low bias voltages, a new resonant transport process for Cooper pairs is observed. The results show that Cooper pair transport can be used as a probe of the macroscopic energy levels of the double island.

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  • This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
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  • We have measured transport in the Coulomb blockade regime through a quantum system consisting of two superconducting islands coupled by a Josephson junction.

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