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From slow to fast light in amplified negative refraction using atomic coherence assisted by an incoherent pump

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Abstract

We propose and demonstrate a scheme to realize large negative refraction dispersion when a probe field is amplified by cooperation between a coherent field and an incoherent pump. The probe pulse can propagate either subluminally or superluminally in the left-handed amplification medium by modulating parameters of the coherent and incoherent fields.

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Authors and Affiliations

  1. State Key Lab of Superhard Materials, College of Physics, Jilin University, Changchun, 130012, P.R. China

    Chun Xiao Zhou & Xue Mei Su

  2. Key Lab of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, College of Physics, Jilin University, Changchun, 130012, P.R. China

    Chun Xiao Zhou & Xue Mei Su

Authors
  1. Chun Xiao Zhou
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  2. Xue Mei Su
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Correspondence to Xue Mei Su.

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Zhou, C.X., Su, X.M. From slow to fast light in amplified negative refraction using atomic coherence assisted by an incoherent pump. Eur. Phys. J. D 68, 21 (2014). https://doi.org/10.1140/epjd/e2013-40365-1

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  • DOI: https://doi.org/10.1140/epjd/e2013-40365-1

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