Intracavity electromagnetically induced transparency in atoms around a nanofiber with a pair of Bragg grating mirrors
Intracavity electromagnetically induced transparency in atoms around a nanofiber with a pair of Bragg grating mirrors
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DOI：
10.1103/physreva.79.043813
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发表时间：
2009-04
影响因子：
2.9
通讯作者：
F. Kien;K. Hakuta
中科院分区：
文献类型：
--
作者：
F. Kien;K. Hakuta
研究了原子在一对布拉格光栅镜作用下的腔内电磁感应透明。计算了腔-光纤-原子复合系统的传输特性和探测光场的时间演化。我们推导出输出探测场及其群延迟的解析近似表达式。我们发现，群延迟的引导光基本上依赖于输入脉冲长度，镜反射率，原子序数密度，和耦合场强度。我们证明了即使在腔体精细度适中的情况下，光纤布拉格光栅腔的存在也可以显著增强被引导光的群延迟。
We study intracavity electromagnetically induced transparency in atoms around a nanofiber with a pair of Bragg grating mirrors. We calculate the transmission of the composite cavity-fiber-atom system and the time development of the guided probe light field. We derive analytical approximate expressions for the output probe field and its group delay. We show that the group delay of the guided light substantially depends on the input pulse length, the mirror reflectivity, the atomic number density, and the coupling field intensity. We demonstrate that the group delay of the guided light can be significantly enhanced by the presence of the fiber-Bragg-grating cavity even when the finesse of the cavity is moderate.