Orbital Edge States in a Photonic Honeycomb Lattice.

  title={Orbital Edge States in a Photonic Honeycomb Lattice.},
  author={M. Milicevic and T. Ozawa and G. Montambaux and I. Carusotto and {\'E}. Galopin and A. Lema{\^i}tre and L. Le Gratiet and I. Sagnes and J. Bloch and A. Amo},
  journal={Physical review letters},
  volume={118 10},
  • M. Milicevic, T. Ozawa, +7 authors A. Amo
  • Published 2017
  • Physics, Medicine
  • Physical review letters
  • We experimentally reveal the emergence of edge states in a photonic lattice with orbital bands. We use a two-dimensional honeycomb lattice of coupled micropillars whose bulk spectrum shows four gapless bands arising from the coupling of p-like photonic orbitals. We observe zero-energy edge states whose topological origin is similar to that of conventional edge states in graphene. Additionally, we report novel dispersive edge states in zigzag and armchair edges. The observations are reproduced… CONTINUE READING

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