Macroscopically distinct quantum-superposition states as a bosonic code for amplitude damping

Cochrane, P. T., Milburn, G. J. and Munro, W. J. (1999) Macroscopically distinct quantum-superposition states as a bosonic code for amplitude damping. Physical Review A, 59 4: 2631-2634. doi:10.1103/PhysRevA.59.2631

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Author Cochrane, P. T.
Milburn, G. J.
Munro, W. J.
Title Macroscopically distinct quantum-superposition states as a bosonic code for amplitude damping
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 1999-01-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.59.2631
Open Access Status File (Publisher version)
Volume 59
Issue 4
Start page 2631
End page 2634
Total pages 4
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract We show how macroscopically distinct quantum superposition states (Schrodinger cat states) may be used as logical qubit encodings for the correction of spontaneous emission errors. Spontaneous emission causes a bit flip error, which is easily corrected by a standard error correction circuit. The method works arbitrarily well as the distance between the amplitudes of the superposed coherent states increases. [S1050-2947(99)06503-8].
Keyword Optics
Physics, Atomic, Molecular & Chemical
Error-correction
Atom
Q-Index Code C1
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
 
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Created: Tue, 10 Jun 2008, 23:45:52 EST