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Cavity QED and quantum-information processing with "hot" trapped atoms

Duan, L.-M. and Kuzmich, A. and Kimble, H. J. (2003) Cavity QED and quantum-information processing with "hot" trapped atoms. Physical Review A, 67 (3). Art. No. 032305. ISSN 1050-2947. doi:10.1103/PhysRevA.67.032305.

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We propose a method to implement cavity QED and quantum-information processing in high-Q cavities with a single trapped but nonlocalized atom. The system is beyond the Lamb-Dicke limit due to the atomic thermal motion. Our method is based on adiabatic passages, which make the relevant dynamics insensitive to the randomness of the atom position with an appropriate interaction configuration. The validity of this method is demonstrated from both approximate analytical calculations and exact numerical simulations. We also discuss various applications of this method based on the current experimental technology.

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Additional Information:© 2003 The American Physical Society. (Received 12 September 2002; published 17 March 2003) L.-M.D. thanks Axel Kuhn for discussions. This work was supported by the Caltech MURI Center for Quantum Networks under ARO Grant No. DAAD19-00-1-0374, by the National Science Foundation under Grant No. EIA-0086038, and by the Office of Naval Research. L.-M.D. also acknowledge support from the Chinese Science Foundation, Chinese Academy of Sciences, and the national "97.3" project.
Funding AgencyGrant Number
Army Research Office (ARO)DAAD19-00-1-0374
Office of Naval Research (ONR)UNSPECIFIED
National Natural Science Foundation of ChinaUNSPECIFIED
Chinese Academy of SciencesUNSPECIFIED
Subject Keywords:quantum electrodynamics; quantum theory; quantum computing; quantum optics
Issue or Number:3
Classification Code:PACS: 03.67.-a, 42.50.-p, 42.50.Gy
Record Number:CaltechAUTHORS:DUApra03
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2178
Deposited By: Archive Administrator
Deposited On:13 Mar 2006
Last Modified:08 Nov 2021 19:45

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