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American Physical Society, Physical Review A, 2(71), 2005

DOI: 10.1103/physreva.71.023408

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Coherence measurements on Rydberg wave packets kicked by a half-cycle pulse

Journal article published in 2004 by J. M. Murray, S. N. Pisharody, H. Wen, P. H. Bucksbaum ORCID
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This paper is available in a repository.

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Abstract

A kick from a unipolar half-cycle pulse (HCP) can redistribute population and shift the relative phase between states in a radial Rydberg wave packet. We have measured the quantum coherence properties following the kick, and show that selected coherences can be destroyed by applying an HCP at specific times. Quantum mechanical simulations show that this is due to redistribution of the angular momentum in the presence of noise. These results have implications for the storage and retrieval of quantum information in the wave packet. Comment: 4 pages, 4 figures (5 figure files)