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Stokes identification in an atomic ensemble using a filtering system

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【Author】 Luo Xiao-Minga),Ning Boa),Chen Li-Qinga),Zhou Yueb),Zhong Zhi-Pingc),and Jiang Shuoa) a)Physics Department,Tsinghua University,Beijing 100084,China b)Physics Department,Nanjing University,Nanjing 210093,China c)College of Physical Sciences,Graduate University of Chinese Academy of Sciences,Beijing 100049,China

【机构】 Physics Department,Tsinghua University； Physics Department,Nanjing University； College of Physical Sciences,Graduate University of Chinese Academy of Sciences；

【摘要】 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.更多还原

【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.更多还原

【关键词】 quantum communication； Stokes； filtering；
【Key words】 quantum communication； Stokes； filtering；

【基金】 Project supported by the National Natural Science Foundation of China (Grant Nos 10474053 and 10574162);Tsinghua University 985 (Grant No 051110001)

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2009年11期

【分类号】O431.2;O562
【下载频次】19

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