Hybrid entanglement concentration assisted with single coherent state

doi:10.1088/1674-1056/25/3/030302

中国物理B ›› 2016, Vol. 25 ›› Issue (3): 30302-030302.doi: 10.1088/1674-1056/25/3/030302

Hybrid entanglement concentration assisted with single coherent state

Rui Guo(郭锐), Lan Zhou(周澜), Shi-Pu Gu(顾世浦),Xing-Fu Wang(王兴福), Yu-Bo Sheng(盛宇波)

1. Key Laboratory of Broadband Wireless Communication and Sensor Network Technology (Ministry of Education), Nanjing University of Posts and Telecommunications, Nanjing Nanjing 210003, China;
2. College of Mathematics & Physics, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
3. College of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

收稿日期:2015-10-15 修回日期:2015-11-03 出版日期:2016-03-05 发布日期:2016-03-05
通讯作者: Yu-Bo Sheng E-mail:shengyb@njupt.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11474168 and 61401222), the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20151502), the Qing Lan Project in Jiangsu Province, China, the Natural Science Foundation of Jiangsu Higher Education Institutions, China (Grant No. 15KJA120002), and the Priority Academic Development Program of Jiangsu Higher Education Institutions, China.

Hybrid entanglement concentration assisted with single coherent state

Rui Guo(郭锐)¹, Lan Zhou(周澜)^1,2, Shi-Pu Gu(顾世浦)³,Xing-Fu Wang(王兴福)², Yu-Bo Sheng(盛宇波)¹

1. Key Laboratory of Broadband Wireless Communication and Sensor Network Technology (Ministry of Education), Nanjing University of Posts and Telecommunications, Nanjing Nanjing 210003, China;
2. College of Mathematics & Physics, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
3. College of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

Received:2015-10-15 Revised:2015-11-03 Online:2016-03-05 Published:2016-03-05
Contact: Yu-Bo Sheng E-mail:shengyb@njupt.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11474168 and 61401222), the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20151502), the Qing Lan Project in Jiangsu Province, China, the Natural Science Foundation of Jiangsu Higher Education Institutions, China (Grant No. 15KJA120002), and the Priority Academic Development Program of Jiangsu Higher Education Institutions, China.

摘要/Abstract

摘要： Hybrid entangled state (HES) is a new type of entanglement, which combines the advantages of an entangled polarization state and an entangled coherent state. HES is widely discussed in the applications of quantum communication and computation. In this paper, we propose three entanglement concentration protocols (ECPs) for Bell-type HES, W-type HES, and cluster-type HES, respectively. After performing these ECPs, we can obtain the maximally entangled HES with some success probability. All the ECPs exploit the single coherent state to complete the concentration. These protocols are based on the linear optics, which are feasible in future experiments.

关键词: hybrid entangled state, quantum communication and computation, entanglement concentration

Abstract: Hybrid entangled state (HES) is a new type of entanglement, which combines the advantages of an entangled polarization state and an entangled coherent state. HES is widely discussed in the applications of quantum communication and computation. In this paper, we propose three entanglement concentration protocols (ECPs) for Bell-type HES, W-type HES, and cluster-type HES, respectively. After performing these ECPs, we can obtain the maximally entangled HES with some success probability. All the ECPs exploit the single coherent state to complete the concentration. These protocols are based on the linear optics, which are feasible in future experiments.

Key words: hybrid entangled state, quantum communication and computation, entanglement concentration

中图分类号: (Quantum communication)

03.67.Hk

03.65.Ud (Entanglement and quantum nonlocality) 03.67.Lx (Quantum computation architectures and implementations)

郭锐, 周澜, 顾世浦, 王兴福, 盛宇波. Hybrid entanglement concentration assisted with single coherent state[J]. 中国物理B, 2016, 25(3): 30302-030302.

Rui Guo(郭锐), Lan Zhou(周澜), Shi-Pu Gu(顾世浦),Xing-Fu Wang(王兴福), Yu-Bo Sheng(盛宇波). Hybrid entanglement concentration assisted with single coherent state[J]. Chin. Phys. B, 2016, 25(3): 30302-030302.

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Hybrid entanglement concentration assisted with single coherent state

Hybrid entanglement concentration assisted with single coherent state

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