Low-Loss Negative Refraction by Laser Induced Magneto-Electric Cross-Coupling

  title={Low-Loss Negative Refraction by Laser Induced Magneto-Electric Cross-Coupling},
  author={Susanne F. Yelin and Ronald L. Walsworth},
We discuss the feasibility of negative refraction with reduced absorption in coherently driven atomic media. Coherent coupling of an electric and a magnetic dipole transition by laser fields induces magnetoelectric cross coupling and negative refraction at dipole densities which are considerably smaller than necessary to achieve a negative permeability. At the same time the absorption gets minimized due to destructive quantum interference and the ratio of negative refraction index to absorption… CONTINUE READING


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