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Proceedings Paper

Signatures of the collapse and revival of a spin Schrödinger cat state in a continuously monitored field mode
Author(s): R. D. Wilson; M. J. Everitt; W. J. Munro; T. P. Spiller
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Paper Abstract

We study the effects of continuous measurement of the field mode during the collapse and revival of spin Schr¨odinger cat states in the Tavis-Cummings model of N qubits (two-level quantum systems) coupled to a field mode. We show that a compromise between relatively weak and relatively strong continuous measurement will not completely destroy the collapse and revival dynamics while still providing enough signal-to-noise resolution to identify the signatures of the process in the measurement record. This type of measurement would in principle allow the verification of the occurrence of the collapse and revival of a spin Schr¨odinger cat state.

Paper Details

Date Published: 6 May 2013
PDF: 6 pages
Proc. SPIE 8773, Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and Processing, 87730Y (6 May 2013); doi: 10.1117/12.2018058
Show Author Affiliations
R. D. Wilson, Loughborough Univ. (United Kingdom)
M. J. Everitt, Loughborough Univ. (United Kingdom)
W. J. Munro, NTT Corp. (Japan)
T. P. Spiller, Univ. of Leeds (United Kingdom)


Published in SPIE Proceedings Vol. 8773:
Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and Processing
Jaromír Fiurásek; Ivan Prochazka; Roman Sobolewski, Editor(s)

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