Quantum optical effective-medium theory for loss-compensated metamaterials.

@article{Amooghorban2013QuantumOE,
  title={Quantum optical effective-medium theory for loss-compensated metamaterials.},
  author={Ehsan Amooghorban and Niels Asger Mortensen and Martijn Wubs},
  journal={Physical review letters},
  year={2013},
  volume={110 15},
  pages={
          153602
        }
}
A central aim in metamaterial research is to engineer subwavelength unit cells that give rise to desired effective-medium properties and parameters, such as a negative refractive index. Ideally one can disregard the details of the unit cell and employ the effective description instead. A popular strategy to compensate for the inevitable losses in metallic components of metamaterials is to add optical gain material. Here we study the quantum optics of such loss-compensated metamaterials at… 

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