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论文

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Controlling interface states in 1D photonic crystals by tuning bulk geometric phases

  • 发布时间:2020-05-16
  • 点击次数:
  • 发表刊物:Optics Letters
  • 摘要:There is no known simple rule that assures the existence of interface states in photonic crystals (PCs). We show here that one can control the existence or absence of interface states in 1D PCs through engineering the bulk geometrical phase such that interface states can be guaranteed in some or all photonic bandgaps. We verify experimentally the interface state design paradigm in 1D multilayered PCs fabricated by electron beam vapor deposition. We obtain the geometrical phases by measuring the reflection phases at the bandgaps of the PCs and achieve good agreement with the theory…
  • 卷号:42
  • 期号:8
  • 页面范围:1500-1503
  • 是否译文:
  • 发表时间:2017

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