Parity-time-symmetric plasmonic metamaterials

@article{Alaeian2014ParitytimesymmetricPM,
  title={Parity-time-symmetric plasmonic metamaterials},
  author={Hadiseh Alaeian and Jennifer A. Dionne},
  journal={Physical Review A},
  year={2014},
  volume={89},
  pages={033829}
}
We theoretically investigate the optical properties of parity-time (PT)-symmetric three dimensional metamaterials composed of strongly-coupled planar plasmonic waveguides. By tuning the loss-gain balance, we show how the initially isotropic material becomes both asymmetric and unidirectional. The highly tunable optical dispersion of PT -symmetric metamaterials provides a foundation for designing an entirely new class of three-dimensional bulk synthetic media, with applications ranging from sub… 

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