张亚茹;孔令凯;冯卓宏;郑志强;

• 1:福建师范大学物理与光电信息科技学院

摘要(Abstract)：

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(E IT)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0.3499⁰.3502ωe(ωe=2πc/a)范围内的TM偏振入射光,实现了分束比从填充E IT气体前的1∶0∶0到填充E IT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(KeyWords)： 光子晶体;可控分束比;电磁感应透明;EIT原子气体

Abstract:

Keywords:

基金项目(Foundation): 福建省自然科学基金资助项目(A0510014);; 福建省科技厅基金资助项目(2006F5025)

作者(Authors): 张亚茹;孔令凯;冯卓宏;郑志强;

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