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Mode splitting of a cavity with a high-density birefringence rubidium vapor in the superstrong coupling regime

Mode splitting of a cavity with a high-density birefringence rubidium vapor in the superstrong coupling regime
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摘要 The mode splitting in a system with Doppler-broadened high-density two-level atoms in the presence of magnetic field inside a relatively long optical cavity is studied in the superstrong coupling regime(atoms-cavity coupling strength g√N is near or larger than the cavity free-spectral range?FSR).The effect of a magnetic field applied along the quantization axis is used to break the polarization degeneracy of the cavity and thereby introduce birefringence(or Faraday rotation)into the medium.The cavity modes are further split in the presence of the magnetic field compared with the normal case of the multi-normal-mode splitting of the two-level system near the D2 line of87Rb.The dependence of the mode splitting on the magnetic field and the temperature is studied.The theoretical analysis according to the linear dispersion theory can provide a good explanation. The mode splitting in a system with Doppler-broadened high-density two-level atoms in the presence of magnetic field inside a relatively long optical cavity is studied in the superstrong coupling regime（atoms-cavity coupling strength g√N is near or larger than the cavity free-spectral range？FSR）.The effect of a magnetic field applied along the quantization axis is used to break the polarization degeneracy of the cavity and thereby introduce birefringence（or Faraday rotation）into the medium.The cavity modes are further split in the presence of the magnetic field compared with the normal case of the multi-normal-mode splitting of the two-level system near the D2 line of87Rb.The dependence of the mode splitting on the magnetic field and the temperature is studied.The theoretical analysis according to the linear dispersion theory can provide a good explanation.
作者 CHEN LiangChao YU XuDong MENG ZengMing ZHANG Jing
机构地区 State Key Laboratory of Quantum Optics and Quantum Optics Devices
出处 《Science China(Physics,Mechanics & Astronomy)》 SCIE EI CAS 2014年第7期1283-1288,共6页 中国科学：物理学、力学、天文学（英文版）
基金 supported by the National Basic Research Program of China(Grant No.2011CB921601) the National Natural Science Foundation of China(Grant No.11234008) the NSFC Project for Excellent Research Team(Grant Nos.61121064 and 11234008) the Doctoral Program Founda-tion of the Ministry of Education China(Grant No.20111401130001)
关键词 superstrong coupling normal-mode splitting Zeeman effect BIREFRINGENCE 耦合机制 双折射 高密度 蒸汽裂解 超强 自由光谱范围 模式分裂 多普勒加宽
分类号 O562 [理学—原子与分子物理]
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参考文献22

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Science China(Physics,Mechanics & Astronomy)
2014年 第7期

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