Coherent population trapping (CPT) versus electromagnetically induced transparency (EIT)

被引：19
|
作者：
Khan, Sumanta [1 ]
Kumar, Molahalli Panidhara [1 ]
Bharti, Vineet [1 ]
Natarajan, Vasant [1 ]
机构：
[1] Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
来源：
EUROPEAN PHYSICAL JOURNAL D | 2017年 / 71卷 / 02期
关键词：
DRESSED STATES; LASER; ABSORPTION; RESONANCES; SPECTROSCOPY; INTERFERENCE; LINEWIDTH; SYSTEM;
D O I：
10.1140/epjd/e2017-70676-x
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We discuss the differences between two well-studied and related phenomena - coherent population trapping (CPT) and electromagnetically induced transparency (EIT). Many differences between the two - such as the effect of power in the beams, detuning of the beams from resonance, and the use of vapor cells filled with buffer gas - are demonstrated experimentally. The experiments are done using magnetic sublevels of the 1 -> 1 transition in the D-2 line of Rb-87.
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页数：9
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