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Stokes identification in an atomic ensemble using a filtering system |
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| Authors: | Luo Xiao-Ming Ning Bo Chen Li-Qing Zhou Yue Zhong Zhi-Ping and Jiang Shuo |
| Institution: | Physics Department, Tsinghua University, Beijing 100084, China; Physics Department, Nanjing University, Nanjing 210093, China; College of Physical Sciences, Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
| Abstract: | Polarization filtering and atomic cell filtering are applied in the identification of Stokes signals in an atomic ensemble, and reduce the noise to a level of 10^ - 5 and 10^ - 4 respectively. Good Stokes signals are then obtained. In this article the two filtering systems and the final Stokes output are presented, and the optimization of the polarization filtering system is highlighted. |
| Keywords: | quantum communication Stokes filtering |
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