| Two-dimensional ring-type photonic crystals in the near-infrared region |
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| 引用本文： | 许兴胜,王义全,韩守振,程丙英,张道中.Two-dimensional ring-type photonic crystals in the near-infrared region[J].中国物理 B,2004,13(9):1474-1476. |
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| 作者姓名： | 许兴胜 王义全 韩守振 程丙英 张道中 |
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| 作者单位： | Optical Physics Laboratory, Institute of Physics and Centre for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No 60345008 ) and the State Key Development Program for Basic Research of China (Grant No 2001CB6104). |
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| 摘 要： | We propose a ring photonic crystal working in the near infrared region, where the air holes in the background material GaAs are arranged to form a series of rings. We find that the band gaps do not depend on the incident direction, and only a small number of rows are needed to create a frequency gap in the transmission spectrum. The transmission spectra of both P and S polarizations show that there is a complete bandgap in the hexagonal ring photonic crystals and the ratio of gap width to mid-gap frequency is as high as 11%.
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| 关 键 词： | 完整带隙 量子电子器件 环形光子晶体 砷化镓材料 波导光学 |
| 收稿时间： | 2003-11-13 |
Two-dimensional ring-type photonic crystals in the near-infrared region |
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| Xu Xing-Sheng,Wang Yi-Quan,Han Shou-Zheng,Cheng Bing-Ying and Zhang Dao-Zhong.Two-dimensional ring-type photonic crystals in the near-infrared region[J].Chinese Physics B,2004,13(9):1474-1476. |
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| Authors: | Xu Xing-Sheng Wang Yi-Quan Han Shou-Zheng Cheng Bing-Ying and Zhang Dao-Zhong |
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| Institution: | Optical Physics Laboratory, Institute of Physics and Centre for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | We propose a ring photonic crystal working in the near infrared region, where the air holes in the background material GaAs are arranged to form a series of rings. We find that the band gaps do not depend on the incident direction, and only a small number of rows are needed to create a frequency gap in the transmission spectrum. The transmission spectra of both P and S polarizations show that there is a complete bandgap in the hexagonal ring photonic crystals and the ratio of gap width to mid-gap frequency is as high as 11%. |
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| Keywords: | ring photonic crystals direction-independent complete band gap |
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