Advances in quantum entanglement purification

被引：0
作者：
Pei-Shun Yan
Lan Zhou
Wei Zhong
Yu-Bo Sheng
机构：
[1] Nanjing University of Posts and Telecommunications,College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology)
[2] Nantong University,School of Information Science and Technology
[3] Nanjing University of Posts and Telecommunications,College of Science
[4] Nanjing University of Posts and Telecommunications,Institute of Quantum Information and Technology
来源：
Science China Physics, Mechanics & Astronomy | 2023年 / 66卷
关键词：
entanglement; entanglement purification; quantum communication;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Since its discovery, the quantum entanglement becomes a promising resource in quantum communication and computation. However, the entanglement is fragile due to the presence of noise in quantum channels. Entanglement purification is a powerful tool to distill high quality entangled states from the low quality entangled states. In this review, we present an overview of entanglement purification, including the basic entanglement purification theory, the entanglement purification protocols (EPPs) with linear optics, EPPs with cross-Kerr nonlinearities, hyperentanglement EPPs, deterministic EPPs, and measurement-based EPPs. We also review experimental progress of EPPs in linear optics. Finally, we give the discussion on potential outlook for the future development of EPPs. This review may pave the way for practical implementations in future long-distance quantum communication and quantum network.
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