Quantum state control, entanglement, and readout of the Josephson persistent-current qubit

Quantum state control, entanglement, and readout of the Josephson persistent-current qubit Quantum state control including entanglement, and readout of the Josephson persistent-current qubit, flux qubit, are reviewed. First, we mention our single-shot readout of quantum superposition state of a flux qubit by a current biased dc-SQUID. Second, we mention entangled state and vacuum Rabi oscillations of a flux-qubit LC-resonator system where qubit-resonator coupled state are controlled by a combination of microwave and DC-shift pulses, resulting in a controlling and measuring sequence analogous to atomic cavity QED. Third, we report our recent progress in high fidelity readout of a flux qubit state via Josephson bifurcation amplifier (JBA). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Quantum state control, entanglement, and readout of the Josephson persistent-current qubit

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Publisher
Springer US
Copyright
Copyright © 2009 by Springer Science+Business Media, LLC
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/s11128-009-0098-9
Publisher site
See Article on Publisher Site

References

  • Josephson persistent current qubit
    Mooij, J.E.; Orlando, T.P.; Levitov, L.; Tian, L.; Wal, C.H.; Lloyd, S.
  • Superconducting quantum bits
    Clarke, J.; Wilhelm, F.K.
  • Offset masks for lift-off photoprocessing
    Dolan, G.J.

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