Quantum superdense coding based on hyperentanglement

doi:10.1088/1674-1056/21/8/080303

中国物理B ›› 2012, Vol. 21 ›› Issue (8): 80303-080303.doi: 10.1088/1674-1056/21/8/080303

Quantum superdense coding based on hyperentanglement

赵瑞通^a, 郭奇^a, 陈丽^b, 王洪福^a, 张寿^a

a Department of Physics, College of Science, Yanbian University, Yanji 133002, China;
b Center for Condensed Matter Science and Technology, Department of Physics, Harbin Institute of Technology, Harbin 150001, China

收稿日期:2011-12-16 修回日期:2012-02-12 出版日期:2012-07-01 发布日期:2012-07-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 61068001 and 11147174).

Quantum superdense coding based on hyperentanglement

Zhao Rui-Tong (赵瑞通)^a, Guo Qi (郭奇)^a, Chen Li (陈丽)^b, Wang Hong-Fu (王洪福)^a, Zhang Shou (张寿)^a

a Department of Physics, College of Science, Yanbian University, Yanji 133002, China;
b Center for Condensed Matter Science and Technology, Department of Physics, Harbin Institute of Technology, Harbin 150001, China

Received:2011-12-16 Revised:2012-02-12 Online:2012-07-01 Published:2012-07-01
Contact: Zhang Shou E-mail:szhang@ybu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 61068001 and 11147174).

摘要/Abstract

摘要： We present a scheme for quantum superdense coding with hyperentanglement, in which the sender can transfer four bits of classical information by sending only one photon. The important device in the scheme is hyperentangled Bell-state analyzer in both of polarization and frequency degrees of freedom, which is also constructed in the paper by using quantum nondemolition detector assisted by cross-Kerr nonlinearity. Our scheme can transfer more information with less resources than the existing schemes and is nearly deterministic and nondestructive.

关键词: quantum superdense coding, hyperentangled state, Bell-state analysis

Abstract: We present a scheme for quantum superdense coding with hyperentanglement, in which the sender can transfer four bits of classical information by sending only one photon. The important device in the scheme is hyperentangled Bell-state analyzer in both of polarization and frequency degrees of freedom, which is also constructed in the paper by using quantum nondemolition detector assisted by cross-Kerr nonlinearity. Our scheme can transfer more information with less resources than the existing schemes and is nearly deterministic and nondestructive.

Key words: quantum superdense coding, hyperentangled state, Bell-state analysis

中图分类号: (Entanglement and quantum nonlocality)

03.65.Ud

03.67.-a (Quantum information) 03.67.Hk (Quantum communication)

赵瑞通, 郭奇, 陈丽, 王洪福, 张寿. Quantum superdense coding based on hyperentanglement[J]. 中国物理B, 2012, 21(8): 80303-080303.

Zhao Rui-Tong (赵瑞通), Guo Qi (郭奇), Chen Li (陈丽), Wang Hong-Fu (王洪福), Zhang Shou (张寿). Quantum superdense coding based on hyperentanglement[J]. Chin. Phys. B, 2012, 21(8): 80303-080303.

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Quantum superdense coding based on hyperentanglement

Quantum superdense coding based on hyperentanglement

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