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Effect of rotation on photonic band gap of two-dimensional square lattice photonic crystal with hollow rod
Author(s) -
Mingming Zhao,
Lü Yan-Wu,
Jiaxin Yu,
Pang Xu-Qian
Publication year - 2008
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.57.1061
Subject(s) - photonic crystal , square lattice , plane wave expansion method , condensed matter physics , rotation (mathematics) , band gap , electronic band structure , rod , tellurium , optics , lattice (music) , physics , anisotropy , symmetry (geometry) , yablonovite , materials science , photonic integrated circuit , geometry , medicine , mathematics , alternative medicine , pathology , acoustics , ising model , metallurgy
The plane-wave expansion method is used to calculate TE and TM mode band gaps for two-dimensional square lattice photonic crystal with hollow anisotropic tellurium (Te) rods under three different rotation operations. The effect of rotation on TE and TM mode band gaps and absolute band gap is investigated. The calculated results show that the high order band gaps of TM mode have a close relationship with structure rotation symmetry, and the rotation symmetry and the distribution of Te in x-y plane together influence TE mode band gaps.

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