Lossless anomalous dispersion and an inversionless gain doublet via dressed interacting ground states

@article{Weatherall2010LosslessAD,
  title={Lossless anomalous dispersion and an inversionless gain doublet via dressed interacting ground states},
  author={James Owen Weatherall and Christopher P. Search},
  journal={Physical Review A},
  year={2010},
  volume={81},
  pages={023806}
}
  • James Owen Weatherall, Christopher P. Search
  • Published 2010
  • Physics
  • Physical Review A
  • Transparent media exhibiting anomalous dispersion have been of considerable interest since Wang, Kuzmich, and Dogariu [Nature 406, 277 (2000)] first observed light propagate with superluminal and negative group velocities without absorption. Here, we propose an atomic model exhibiting these properties, based on a generalization of amplification without inversion in a five-level dressed interacting ground-state system. The system consists of a {Lambda} atom prepared as in standard… CONTINUE READING
    Fast light in atomic media
    34

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