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Construction of a quantum repeater based on quantum-dot in an optical microcavity system
Wang Chuan *,CAO Cong,HE Lingyan
School of Science, Beijing University of Posts and Telecommunications, Beijing 100876
*Correspondence author
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Funding: Specialized Research Fund for the Doctoral Program of Education Ministry of China （No.20090005120008）, ChinaNational Natural Science Foundation Grant （No.61205117）
Opened online:29 January 2013
Accepted by: none
Citation: Wang Chuan,CAO Cong,HE Lingyan.Construction of a quantum repeater based on quantum-dot in an optical microcavity system[OL]. [29 January 2013] http://en.paper.edu.cn/en_releasepaper/content/4516954
 
 
In this paper, we investigate an efficient quantum repeater protocol based on quantum dots (QDs) and optical microcavity coupled systems. The proposed system can be used for long-distance quantum entanglement distribution, exploiting the interaction between single photons and QDs embedded in optical microcavities. We discuss the protocols for the entanglement generation and entanglement swapping modules with QDs in microcavity systems and generalize it to quantum repeater protocol. In the proposed system, the use of cavities leads to a high success probability for the generation of entanglement. By using current and near future technology, entanglement with a high fidelity can be achieved and robust quantum communication over long-distance channels is feasible.
Keywords:Quantum information; quantum dot; micorcavity; quantum repeater
 
 
 

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