| 利用“H”形天线耦合光波进入波导 |
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| 引用本文： | 杨凤英,陈跃刚,王越,张国浩. 利用“H”形天线耦合光波进入波导[J]. 贵州大学学报(自然科学版), 2014, 31(4): 22-25 |
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| 作者姓名： | 杨凤英 陈跃刚 王越 张国浩 |
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| 作者单位： | 贵州大学理学院,贵州贵阳,550025 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 在光学集成中,将自由空间中光波耦合进入金属纳米波导具有重要意义。本文基于天线共振增强特性,设计“H”形纳米光学天线,将自由空间中光波耦合进入金属波导。利用时域有限差分（FDTD）方法模拟得到耦合效率并优化天线结构参数。在通信波段,“H”形天线比偶极子天线具有更高的耦合效率。
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| 关 键 词： | 表面等离子体 耦合效率 光学天线 |
Coupling Light Wave into the Waveguide through H-shaped Antenna |
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| YANG Feng-ying,CHEN Yue-gang,WANG Yue,ZHANG Guo-hao. Coupling Light Wave into the Waveguide through H-shaped Antenna[J]. Journal of Guizhou University(Natural Science), 2014, 31(4): 22-25 |
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| Authors: | YANG Feng-ying CHEN Yue-gang WANG Yue ZHANG Guo-hao |
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| Affiliation: | (College of Science, Guizhou University, Guiyang 550025, China) |
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| Abstract: | In optical integration,coupling optical wave from free space into waveguides is important.Based on the near-fields enhancement effect of resonant antenna,the H-shaped optical antenna was designed to couple wave from free space into metal waveguide.The parameters of the antenna were optimized for highly coupling efficiency through the FDTD method.In the optical communication wave band,H-shaped antenna＇s coupling efficiency is higher than dipole antenna. |
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| Keywords: | surface plasmon polartions coupling efficiency optical antenna |
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