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Multiple Defect Modes in Diamond Photonic Crystal

机译：金刚石光子晶体中的多种缺陷模式

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摘要

Defect frequencies, degeneracy and mode field patterns of defect modes in diamond based photonic crystal (PC) are analyzed. An efficient method to create multiple defect frequency levels in the photonic band gap by degeneracy lifting is proposed. The degenerate dipole mode is split into two defect frequency levels by upsetting the symmetry about the origin. The diamond PC with our proposed defect structure has four defect frequency levels with two dipole and two quadrupole mode field patterns. It is shown that non-degenerate monopole and hexapole modes can be obtained by pulling up the acceptor levels from the dielectric band in diamond photonic crystals. Our proposed structure has a monopole and a hexapole mode that are very close in frequency. However, C_(6v) symmetry of the triangular lattice guarantees their non-degeneracy.
机译：分析了基于金刚石的光子晶体（PC）中的缺陷模的缺陷频率，简并性和模场图。提出了一种通过简并提升在光子带隙中产生多个缺陷频率水平的有效方法。通过破坏关于原点的对称性，简并偶极子模式被分为两个缺陷频率水平。具有我们提出的缺陷结构的金刚石PC具有四个缺陷频率水平，具有两个偶极和两个四极模式场模式。结果表明，可以通过从金刚石光子晶体的介电​​带中拉高受体能级来获得非简并单极和六极模。我们提出的结构具有频率非常接近的单极模式和六极模式。但是，三角形晶格的C_（6v）对称性保证了它们的非简并性。

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  • 来源
    《Solid state-general》|2008年|71-77|共7页
  • 会议地点 Honolulu HI(US);Honolulu HI(US);Honolulu HI(US)
  • 作者

    M. Thitsa; T. Nguyen; S. Albin;

  • 作者单位

    Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, Virginia 23529, USA;

    Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, Virginia 23529, USA;

    Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, Virginia 23529, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料一般性问题;
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