Efficient Read-out of Flux Qubits at Flux Degeneracy

Efficient Read-out of Flux Qubits at Flux Degeneracy We discuss a novel method to read out a superconducting flux qubit at the flux degeneracy point, using a charge measurement through a single charge transistor SCT. The interaction is based on the Aharonov-Casher geometric phase. The read-out cycle indicates one of the states by a fluorescence-like cycle. We discuss how to efficiently implement this scheme with the SCT in the RF mode. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Efficient Read-out of Flux Qubits at Flux Degeneracy

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2006 by Springer Science+Business Media, Inc.
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-006-0035-0
Publisher site
See Article on Publisher Site

Abstract

We discuss a novel method to read out a superconducting flux qubit at the flux degeneracy point, using a charge measurement through a single charge transistor SCT. The interaction is based on the Aharonov-Casher geometric phase. The read-out cycle indicates one of the states by a fluorescence-like cycle. We discuss how to efficiently implement this scheme with the SCT in the RF mode.

Journal

Quantum Information ProcessingSpringer Journals

Published: Oct 31, 2006

References

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