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Electromagnetically induced transparency in an entangled medium

Li, Weibin; Viscor, Daniel; Hofferberth, Sebastian; Lesanovsky, Igor

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Associate Professor

Daniel Viscor

Sebastian Hofferberth


We theoretically investigate light propagation and electromagnetically induced transparency (EIT) in a quasi one-dimensional gas in which atoms interact strongly via exchange interactions. We focus on the case in which the gas is initially prepared in a many-body state that contains a single excitation and conduct a detailed study of the absorptive and dispersive properties of such a medium. This scenario is achieved in interacting gases of Rydberg atoms with two relevant S-states that are coupled through exchange. Of particular interest is the case in which the medium is prepared in an entangled spinwave state. This, in conjunction with the exchange interaction, gives rise to a non-local susceptibilty which --- in comparison to conventional Rydberg EIT --- qualitatively alters the absorption and propagation of weak probe light, leading to non-local propagation and enhanced absorption.


Li, W., Viscor, D., Hofferberth, S., & Lesanovsky, I. (2014). Electromagnetically induced transparency in an entangled medium. Physical Review Letters, 112(24),

Journal Article Type Article
Acceptance Date May 27, 2014
Online Publication Date Jun 18, 2014
Publication Date Jun 20, 2014
Deposit Date Jul 8, 2016
Publicly Available Date Jul 8, 2016
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 0031-9007
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 112
Issue 24
Public URL
Publisher URL


1404.0311v1.pdf (983 Kb)

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