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Self-rotation of optical polarization in rubidium vapor
Authors:Shuwei Qiu  Wenge Guo  Mingtao Cao  Tao Liu  Liang Han  Hao Liu  Pei Zhang  Shougang Zhang  Hong Gao  and Fuli Li
Institution:1MOE Key Laboratory for Electricity Gas and Oil Logging,Xi’an Shiyou University,Xi’an 710065,China 2 MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter,Xi’an Jiaotong University,Xi’an 710049,China 3 CAS Key Lab Time & Frequency Primary Standard,National Time Service Center,Xi’an 710600,China
Abstract:We present an experimental and theoretical study of self-rotation of optical polarization in a rubidium vapor.The atomic vapor is placed in a magnetic shielding cavity to suppress the Faraday rotation effect.In our experiment,Doppler-free spectroscopy configuration is used,and F = 2 → F ’ = 3 transition of 87Rb D2 line is chosen.We observe self-rotation of optical polarization effect at different pump light ellipticities.A theoretical analysis is then provided based on the experimental conditions.Theoretical simulation and experimental results are in good agreement.
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