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

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【Author】 Pei Li-Ya;Niu Jin-Yan;Wang Ru-Quan;Qu Yi-Zhi;Zuo Zhan-Chun;Wu Ling-An;Fu Pan-Ming;College of Material Sciences and Optoelectronic Technology, University of the Chinese Academy of Sciences;School of Mathematics, Physics and Biological Engineering, Inner Mongolia University of Science and Technology;Laboratory of Optical Physics, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics,Chinese Academy of Sciences;

【机构】 College of Material Sciences and Optoelectronic Technology,University of the Chinese Academy of Sciences； School of Mathematics,Physics and Biological Engineering,Inner Mongolia University of Science and Technology； Laboratory of Optical Physics,Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences；

【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.更多还原

【Abstract】 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.更多还原

【关键词】 electromagnetically-induced transparency； polarisation interference； Autler–Townes splitting；
【Key words】 electromagnetically-induced transparency； polarisation interference； Autler–Townes splitting；

【基金】 Project supported by the National Natural Science Foundation of China(Grant Nos.11404330,11274376,61308011,and 11474347);the NSAF,China(Grant No.U1330117);the National Basic Research Program of China(Grant Nos.2013CB922002 and 2010CB922904);the China Postdoctoral Science Foundation(Grant No.119103S239)

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2015年07期

【分类号】O441.3
【下载频次】22

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