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The existence of topological edge states in honeycomb plasmonic lattices

  • 发布时间:2020-05-16
  • 点击次数:
  • 发表刊物:New Journal of Physics
  • 摘要:In this paper, we investigate the band properties of 2D honeycomb plasmonic lattices consisting of metallic nanoparticles. By means of the coupled dipole method and quasi-static approximation, we theoretically analyze the band structures stemming from near-field interaction of localized surface plasmon polaritons for both the infinite lattice and ribbons. Naturally, the interaction of point dipoles decouples into independent out-of-plane and in-plane polarizations. For the out-of-plane modes, both the bulk spectrum and the range of the momentum k∥ where edge states exist in ribbons are …
  • 卷号:18
  • 期号:10
  • 页面范围:103029
  • 是否译文:
  • 发表时间:2016

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