Possible Realization of Directional Optical Waveguides in Photonic Crystals with Broken Time-Reversal Symmetry

Jan 10, 2008
Published in:
  • Phys.Rev.Lett. 100 (2008) 1, 013904
  • Published: Jan 10, 2008

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Abstract: (APS)
We show how, in principle, to construct analogs of quantum Hall edge states in ``photonic crystals'' made with nonreciprocal (Faraday-effect) media. These form ``one-way waveguides'' that allow electromagnetic energy to flow in one direction only.