| Photonic band structures of two-dimensional photonic crystals with deformed lattices |
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| 作者姓名： | 蔡向华 郑婉华 马小涛 任刚 夏建白 |
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| 作者单位： | Institute of Semiconductors, Chinese Academy of Sciences,Beijing 100083, China;Institute of Semiconductors, Chinese Academy of Sciences,Beijing 100083, China;Institute of Semiconductors, Chinese Academy of Sciences,Beijing 100083, China;Institute of Semiconductors, Chinese Academy of Sciences,Beijing 100083, China;Institute of Semiconductors, Chinese Academy of Sciences,Beijing 100083, China |
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| 基金项目： | Project supported by the National High Technology Research and Development Program of China (Grant No
2003AA311020), the National Natural Science Foundation of China (Grant No 90301007), the Special Funds for Major State Basic Research Program of China (Grant No G001CB3095). |
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| 摘 要： |
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| 关 键 词： | 光子带 二维光子晶体 断面格 平面波扩散法 |
| 收稿时间： | 2005-05-17 |
| 修稿时间： | 2005-05-172005-08-29 |
Photonic band structures of two-dimensional photonic crystals with deformed lattices |
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| Cai Xiang-Hu,Zheng Wan-Hu,Ma Xiao-Tao,Ren Gang and Xia Jian-Bai.Photonic band structures of two-dimensional photonic crystals with deformed lattices[J].Chinese Physics B,2005,14(12):2507-2513. |
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| Authors: | Cai Xiang-Hu Zheng Wan-Hu Ma Xiao-Tao Ren Gang and Xia Jian-Bai |
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| Institution: | Institute of Semiconductors, Chinese Academy of Sciences,Beijing 100083, China |
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| Abstract: | Using the plane-wave expansion method, we have calculated and analysed the
changes of photonic band structures arising from two kinds of deformed
lattices, including the stretching and shrinking of lattices. The square
lattice with square air holes and the triangular lattice with circular air
holes are both studied. Calculated results show that the change of lattice
size in some special ranges can enlarge the band gap, which depends strongly
on the filling factor of air holes in photonic crystals; and besides, the
asymmetric band edges will appear with the broken symmetry of lattices. |
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| Keywords: | photonic band gap photonic crystal plane-wave expansion method |
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