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Quantum-state mapping between multilevel atoms and cavity light fields

Parkins, A. S. and Marte, P. and Zoller, P. and Carnal, O. and Kimble, H. J. (1995) Quantum-state mapping between multilevel atoms and cavity light fields. Physical Review A, 51 (2). pp. 1578-1596. ISSN 1050-2947. doi:10.1103/PhysRevA.51.1578.

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A scheme for the preparation of Fock states and general superposition states of the electromagnetic field in a cavity is studied in detail. The scheme uses adiabatic passage in a strongly coupled atom-cavity system to "map" atomic ground-state Zeeman coherence onto the cavity-mode field. We model photon-counting and homodyne measurements of the field exiting the cavity and demonstrate the possibility of generating and detecting highly nonclassical states of the field parameter values close to currently realizable experimental values. The adiabatic passage process is also reversible, enabling cavity-mode fields to be mapped onto atomic ground-state Zeeman coherence. Application of this property to the measurement of cavity fields is discussed, with particular consideration given to a possible scheme for quantum measurements of the intracavity photon number.

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Additional Information:©1995 The American Physical Society. Received 20 April 1994. A.S. Parkins thanks JILA for hospitality during a stay when part of this work was carried out, and is supported at the Universitat Konstanz by the Alexander von Humboldt Foundation. The work at JILA is supported in part by the NSF, while that at Caltech is supported by the NSF and the ONR.
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Record Number:CaltechAUTHORS:PARpra95
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9955
Deposited By: Tony Diaz
Deposited On:28 Mar 2008
Last Modified:08 Nov 2021 21:03

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