Optical quantum router with cross-phase modulation

查看全文 作　　者：CHEN [1]YeWang;LIN [2]Qing

机构地区：[1]College of Computer Science and Technology, Huaqiao University (Xiamen);[2]College of Information Science and Engineering, Huaqiao University (Xiamen)

出　　处：《Science China(Information Sciences)》索引2014年第57卷第12期,共11页

基　　金：supported by the National Natural Science Foundation of China(Grant No.61202298);the Science and Technology project of Xiamen,Fujian Province,China(Grant No.3502Z20133029);the Fundamental Research Funds for the Central Universities(Grant No.JB-ZR1217);funded by the National Natural Science Foundation of China(Grant No.11005040);Natural Science Foundation of Fujian Province of China(Grant No.2014J01015);Program for New Century Excellent Talents in Fujian ProvinceUniversity(Grant No.2012FJ-NCET-ZR04);Promotion Program for Young and Middle-aged Teacher in Science and Technology Research of Huaqiao University(Grant No.ZQN-PY113) 摘　　要：The quantum router is a key part of a quantum network.How to design a fully quantum router is a dominant theme in the area of quantum communication.Based on the cross-phase modulation technique,we propose a scheme to realize an optical quantum router using the c-path operation for its basic operation.This router is a perfect,fully quantum router,and it is available for arbitrary(separated or entangled)input signals and covers all possible control modes(the general n-control-m mode).Moreover,this router protects target signals and preserves quantum features,such as coherent superposition and entanglement.This is a new and powerful feature when compared with classical routers.With the development of current experimental technology,our scheme is feasible. 关键词：传统路由器交叉相位调制光量子基本操作量子网络量子通信调制技术输入信号

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Optical quantum router with cross-phase modulation

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