| 基于电磁感应透明的二维可控光子晶体分功率器 |
| |
| 引用本文： | 张亚茹,孔令凯,冯卓宏,郑志强.基于电磁感应透明的二维可控光子晶体分功率器[J].福建师范大学学报(自然科学版),2009,25(6). |
| |
| 作者姓名： | 张亚茹 孔令凯 冯卓宏 郑志强 |
| |
| 作者单位： | 福建师范大学物理与光电信息科技学院,福建,福州,350007 |
| |
| 基金项目： | 福建省自然科学基金资助项目，福建省科技厅基金资助项目 |
| |
| 摘 要： | 设计一种通过改变控制光的拉比频率来调节分束比的光子晶体可控分功率器.采用平面波展开法和时域有限差分法研究了填充一定密度的电磁感应透明(EIT)原子气体的二维圆柱形光子晶体功率分束器分束比的可控特性.数值模拟结果表明:通过改变控制光的拉比频率,对归一化频率位于0.349 9～0.350 2 ωe(ωe＝2πc/a)范围内的TM偏振入射光,实现了分束比从填充EIT气体前的1∶0∶0到填充EIT气体后1∶5∶0和1∶2∶7的人工调节.这种基于电磁感应透明的可控光子晶体分功率器在一定程度上降低了操作难度和工艺要求,具有更强的操作性和更高的实用价值.
|
| 关 键 词： | 光子晶体 可控分束比 电磁感应透明 EIT原子气体 |
Two-dimensional Controllable Photonic Crystal Power-splitter Based on Electromagnetically Induced Transparency |
| |
| ZHANG Ya-ru,KONG Ling-kai,FENG Zhuo-hong,ZHENG Zhi-qiang.Two-dimensional Controllable Photonic Crystal Power-splitter Based on Electromagnetically Induced Transparency[J].Journal of Fujian Teachers University(Natural Science),2009,25(6). |
| |
| Authors: | ZHANG Ya-ru KONG Ling-kai FENG Zhuo-hong ZHENG Zhi-qiang |
| |
| Institution: | ZHANG Ya-ru,KONG Ling-kai,FENG Zhuo-hong,ZHENG Zhi-qiang*(School of Physics and OptoElectronics Technology,Fujian Normal University,Fuzhou 350007,China) |
| |
| Abstract: | A controllable photonic crystal power-splitter is first mentioned which can regulate the splitting ratio by changing the external conditions.The plane wave expansion method(PWE) and the finite-difference time-domain method(FDTD) are employed to study the controllable features of two-dimensional columnar photonic crystal power-splitter filling with the EIT atomic vapor.It is showed that,by changing the Rabi frequency of control light,the splitting ratio of three output branches of the power-splitter can be c... |
| |
| Keywords: | photonic crystal controllable splitting ratio electromagnetically induced transparency EIT atomic vapor |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
