Simultaneous electromagnetically induced transparency and absorption in thermal atomic medium

被引：5
|
作者：
Liang, Shangqing [1 ]
Xu, Yunfei [1 ]
Lin, Qiang [2 ]
机构：
[1] Zhejiang Univ, Dept Phys, Inst Opt, Hangzhou 310027, Zhejiang, Peoples R China
[2] Zhejiang Univ Technol, Coll Sci, Ctr Opt & Optoelect Res, Hangzhou 310023, Zhejiang, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2017年 / 15卷 / 09期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
FAST LIGHT; SIMULTANEOUS SLOW; VAPOR; TRANSITIONS; RESONANCES; CLOCK;
D O I：
10.3788/COL201715.090201
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A three-level lambda system driven by multicolor control, pump, and probe fields is investigated. The pump and probe fields are derived from the same laser with opposite propagating directions. Due to the Doppler effect, the zero group-velocity atoms face bichromatic fields, while other atoms face trichromatic fields. The atomic medium shows distinct characteristics and exhibits simultaneous electromagnetically induced transparency (EIT) and electromagnetically induced absorption (EIA) at two frequencies. EIT and EIA peaks have a fixed relationship with frequency, which is determined by the Doppler shifts.
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页数：5
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