array(2) { ["lab"]=> string(4) "1332" ["publication"]=> string(5) "11530" } ENTANGLEMENT CONCENTRATION WITH CROSS-KERR NONLINEARITY - 量子光学理论研究组 | LabXing

量子光学理论研究组

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大学 温州大学 / 数理学院
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ENTANGLEMENT CONCENTRATION WITH CROSS-KERR NONLINEARITY

2014
期刊 International Journal of Modern Physics B
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We propose a protocol for realizing two entanglement concentration scheme with cross-Kerr nonlinearity and double cross-phase modulation method. In our protocols, two remote parties do not require the accurate information of the less entangled state and the double cross-phase modulation is introduced to overcome the errors caused by the imperfect Kerr interaction. By this way, a single-photon entanglement is concentrated, and a three-photon polarized GHZ state is also achieved. Furthermore this protocol can be scaled to multiphoton polarized GHZ state concentration and the giant Kerr media is not needed, which makes our protocols more feasible in experiment.

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