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One-way edge mode in a magneto-optical honeycomb photonic crystal

Authors Ao, Xianyu HKUST affiliated (currently or previously)
Lin, Zhifang
Chan, C.T. View this author's profile
Issue Date 2009
Source Physical Review B , v. 80, (3), July 2009, Article number 033105
Summary We study the edge states in two-dimensional photonic crystals arising from a singular point in k space at which two dispersion surfaces intersect. The zigzag edge states in a honeycomb lattice for TM polarization are analogous to the electronic ones in graphene nanoribbons. Electromagnetic modes at the zigzag edges of such photonic crystals consisting of ferrite rods are allowed to propagate only along one direction. The one-way propagation is insensitive to imperfections on the zigzag edge.
ISSN 1098-0121
Rights © 2009 American Physical Society
Language English
Format Article
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