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.
© 2012 Chinese Optics Letters
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