Relationship between electromagnetically-induced transparency and Autler-Townes splitting in a Doppler-broadened system

被引：1
作者：
Pei Li-Ya [1 ]
Niu Jin-Yan [2 ]
Wang Ru-Quan [3 ]
Qu Yi-Zhi [1 ]
Zuo Zhan-Chun [3 ]
Wu Ling-An [3 ]
Fu Pan-Ming [3 ]
机构：
[1] Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China
[2] Inner Mongolia Univ Sci & Technol, Sch Math Phys & Biol Engn, Baotou 014010, Peoples R China
[3] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Lab Opt Phys, Beijing 100190, Peoples R China
来源：
CHINESE PHYSICS B | 2015年 / 24卷 / 07期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
electromagnetically-induced transparency; polarisation interference; Autler-Townes splitting; MEDIA;
D O I：
10.1088/1674-1056/24/7/074203
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the relationship between electromagnetically-induced transparency (EIT) and Autler-Townes (AT) splitting in a cascade three-level Doppler-broadened system. By comparing the absorption spectrum with the fluorescence excitation spectrum, it is found that for a Doppler-broadened system, EIT resonance cannot be explained as the result of quantum interference, unlike the case of a homogeneously broadened system. Instead, the macroscopic polarization interference plays an important role in determining the spectra of EIT and AT splitting, which can be explained within the same framework when being detected by the absorption spectra.
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页数：8
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