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Science 21 January 2000:
Vol. 287. no. 5452, pp. 463 - 465
DOI: 10.1126/science.287.5452.463
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Reports

Information Storage and Retrieval Through Quantum Phase

J. Ahn, T. C. Weinacht, P. H. Bucksbaum *

Information was stored as quantum phase in an N-state Rydberg atom data register. One or more flipped states stored in an eight-state atomic wave packet could be retrieved in a single operation, in agreement with a recent proposal by Grover.

Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA.
*   To whom correspondence should be addressed. E-mail: Phb{at}umich.edu

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