Theoretical study on the ultra-narrow bandwidth tunable atomic filter with electromagnetically induced transparency

被引：0
|
作者：
Liu, Yang [1 ]
Li, Shu-qing [1 ]
Feng, Zhong-ying [1 ]
Liu, Xiao-fei [1 ]
Gao, Jin-yue [2 ]
机构：
[1] Taiyuan Inst Technol, Dept Sci, Taiyuan 030008, Peoples R China
[2] Jilin Univ, Coll Phys, Changchun 130012, Peoples R China
来源：
LASER PHYSICS | 2016年 / 26卷 / 12期
基金：
中国国家自然科学基金;
关键词：
atomic filter; Zeeman effect; Faraday rotation; electromagnetically induced transparency; DISPERSION OPTICAL FILTER; FARADAY;
D O I：
10.1088/1054-660X/26/12/125202
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
To obtain the weak signal light detection from the high background noise, we present a theoretical study on the ultra-narrow bandwidth tunable atomic filter with electromagnetically induced transparency. In a three-level Lambda-type atomic system in the rubidium D1 line, the bandwidth of the EIT atomic filter is narrowed to similar to 6.5 MHz. And the single peak transmission of the filter can be up to 86%. Moreover, the transmission wavelength can be tuned by changing the coupling light frequency. This theoretical scheme can also be applied to other alkali atomic systems.
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页数：4
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