记忆幅值阻尼噪声下带有弱测量与恢复测量的量子隐形传态

doi:10.3969/j.issn.1007-5461.2024.01.014

量子电子学报 ›› 2024, Vol. 41 ›› Issue (1): 143-150.doi: 10.3969/j.issn.1007-5461.2024.01.014

记忆幅值阻尼噪声下带有弱测量与恢复测量的量子隐形传态

向生建 1*, 陈云松 2

( 1 四川师范大学数学科学学院, 四川成都 610066; 2 四川省信创中心, 四川成都 610000 )

收稿日期:2022-06-29 修回日期:2022-07-28 出版日期:2024-01-28 发布日期:2024-01-28
通讯作者: E-mail: xsj.newmail@163.com E-mail:E-mail: xsj.newmail@163.com
作者简介:向生建 ( 1964 - ), 四川彭州人, 博士, 教授, 主要从事量子信息、信创科技方面的研究。E-mail: xsj.newmail@163.com
基金资助:
四川省重点研发计划 (2020YFG0290), 成都市量子科技计划 (2021-YF09-00116-GX)

Quantum teleportation with weak and recover measurement in memory amplitude damping noise channel

XIANG Shengjian 1*, CHEN Yunsong 2

( 1 School of Mathematical Science, Sichuan Normal University, Chengdu 610066, China; 2 Sichuan Xinchuang Center, Chengdu 610000, China )

Received:2022-06-29 Revised:2022-07-28 Published:2024-01-28 Online:2024-01-28

摘要/Abstract

摘要： 认识并降低噪声对传输粒子保真度的影响, 是量子隐形传态重要的研究方向之一。不同于以前的独立噪声和带记忆的Pauli 噪声, 研究了记忆幅值阻尼噪声对保真度的影响, 并给出了一个抵抗该噪声信道的方案。该方案通过让参与者在粒子分发前实施弱测量而粒子接收后实施恢复测量的方式提高保真度。研究结果表明, 记忆幅值阻尼信道的记忆因子强度与保真度大小呈正相关, 并且在部分记忆信道与全记忆信道下弱测量与恢复测量方法也能一定程度上提高传输粒子的保真度。

关键词: 量子光学, 保真度分析及增强, 弱测量与恢复测量, 量子隐形传态, 记忆幅值阻尼噪声

Abstract: Understanding and reducing the influence of noise on the fidelity of transmitted particles is one of the important research directions in quantum teleportation. Different from the previously reported independent noise and the memory Pauli noise, the effect of memory amplitude damping noise on fidelity is investigated, and a method to resist this influence is proposed. According to this method, the fidelity can be improved by implementing the extra weak measurement and recover measurement before and after distributing particles respectively. The results show that, the memory factor strength of the memory amplitude damped channel is positively correlated with the fidelity. Moreover, the weak measurement and recovery measurement methods can also improve the fidelity of the transmitted particles to a certain extent in partial or full memory channels.

Key words: quantum optics, analysis and improvement of fidelity, weak measurement and recover measurement, quantum teleportation, amplitude damping noise with memory

中图分类号:

TN911.1

向生建 , 陈云松 . 记忆幅值阻尼噪声下带有弱测量与恢复测量的量子隐形传态[J]. 量子电子学报, 2024, 41(1): 143-150.

XIANG Shengjian , CHEN Yunsong . Quantum teleportation with weak and recover measurement in memory amplitude damping noise channel[J]. Chinese Journal of Quantum Electronics, 2024, 41(1): 143-150.

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记忆幅值阻尼噪声下带有弱测量与恢复测量的量子隐形传态

Quantum teleportation with weak and recover measurement in memory amplitude damping noise channel

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