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

  • Chun Xiao Zhou
  • Xue Mei SuEmail author
Regular Article

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.

Keywords

Quantum Optics 

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.State Key Lab of Superhard Materials, College of PhysicsJilin UniversityChangchunP.R. China
  2. 2.Key Lab of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, College of PhysicsJilin UniversityChangchunP.R. China

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