| 利用交叉Kerr非线性产生多光子极化纠缠W态 |
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| 引用本文： | 马莹莹,金光生.利用交叉Kerr非线性产生多光子极化纠缠W态[J].辽宁大学学报(自然科学版),2007,34(3):221-224. |
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| 作者姓名： | 马莹莹 金光生 |
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| 作者单位： | 1. 厦门大学,信息科学与技术学院,福建,厦门,361005
2. 中国科学院,物理研究所,北京,100080 |
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| 基金项目： | 国家自然科学基金资助（10374040） |
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| 摘 要： | 提出了一个方案,通过使用交叉Kerr非线性来产生极化纠缠的多光子W态.这一方案利用了可控的条件旋转和零差测量.此方法具有高的成功几率和接近1的保真度.
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| 关 键 词： | Kerr非线性 W态 光子纠缠. |
| 文章编号： | 1000-5846（2007）03-0221-04 |
| 修稿时间： | 2007-03-14 |
Generating Polarization-Entangled Multi-photon W States with Cross-Kerr Nonlinearity |
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| MA Ying-ying,JIN Guang-sheng.Generating Polarization-Entangled Multi-photon W States with Cross-Kerr Nonlinearity[J].Journal of Liaoning University(Natural Sciences Edition),2007,34(3):221-224. |
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| Authors: | MA Ying-ying JIN Guang-sheng |
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| Institution: | 1. Institute of Information Science and Tecnology, Xiamen University, Xiamen 361005, China; 2. Institute of Physics, Chinese Academy of Science, Belling 100080, China |
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| Abstract: | A scheme to generate polarization-entangled multi-photon W states with cross-Kerr nonlinearity based on controlled conditional rotation and homodyne measurement is proposed. The method has high success probability with near 1 fidelity. |
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| Keywords: | Kerr nonlinearity W state photon entanglement |
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