Waveguiding at the Edge of a Three-Dimensional Photonic Crystal
Waveguiding at the Edge of a Three-Dimensional Photonic Crystal
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DOI：
10.1103/physrevlett.108.243901
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发表时间：
2012-06-12
影响因子：
8.6
通讯作者：
Soljacic, Marin
中科院分区：
文献类型：
--
作者：
Lu, Ling;Joannopoulos, John D.;Soljacic, Marin
我们发现，电磁波可以在空气中的三维光子晶体的边缘被引导。当波导由两个表面平面的相交处限定时，边缘模式与相应的表面带相关联。一个简单的细胞计数的方法来描述系统的周期性演化与有趣的相互作用之间的边缘，表面和体状态。
We find that electromagnetic waves can be guided at the edge of a three-dimensional photonic crystal in air. When the waveguide is defined by the intersection of two surface planes, the edge modes are associated with the corresponding surface bands. A simple cell counting approach is presented to describe the periodic evolution of the system with interesting interplays among edge, surface, and bulk states.