高维不对称受控隐形传态方案及优化

量子电子学报 ›› 2021, Vol. 38 ›› Issue (1): 31-36.

高维不对称受控隐形传态方案及优化

刘芷仪, 柏明强∗, 肖钧匀, 李文靖

四川师范大学数学科学学院, 四川成都610066

收稿日期:2020-05-08 修回日期:2020-10-14 出版日期:2021-01-28 发布日期:2021-02-01
通讯作者: E-mail: baimq@sicnu.edu.cn E-mail:baimq@sicnu.edu.cn
作者简介:刘芷仪( 1996 - ), 女, 四川资中人, 研究生, 主要从事量子通信理论与应用方面的研究。E-mail: 857151698@qq.com
基金资助:
Supported by National Natural Science Foundation of China (国家自然科学基金, 11671284), Sichuan Province Science and Technology Support Program (四川省应用基础研究项目, 20ZDYF0162)

An asymmetric controlled bidirectional teleportation scheme and optimization

LIU Zhiyi, BAI Mingqiang∗, XIAO Junyun, LI Wenjing

School of Mathematical Sciences, Sichuan Normal University, Chengdu 610066, China

Received:2020-05-08 Revised:2020-10-14 Published:2021-01-28 Online:2021-02-01
Contact: 柏明强 E-mail:baimq@sicnu.edu.cn

摘要/Abstract

摘要： 利用高维最大纠缠量子态作为信道, 提出一种不对称受控双向隐形传态方案。通信双方Alice、Bob 和控制者Charlie 事先秘密共享纠缠态, 用于构建量子信道。通信开始后, 根据纠缠粒子的分发方式以及对测量基的不同选择, 通信双方Alice 和Bob 可以在控制者Charlie 的监督下, 以一定概率分别将一个高维单粒子态和一个高维二粒子态传送给对方, 进而通过对测量基的优化进一步提升传输成功概率, 使得传输成功概率从1/d 提升到1, 最终实现完美隐形传态。所提出方案中只使用广义贝尔基测量及单粒子测量, 在物理上容易实现。改进后的方案中, Charlie 可以对两条信道进行控制, 提高了方案的安全性。

关键词: 量子光学, 双向受控量子隐形传态, 不对称量子传输, 高维量子纠缠态

Abstract: Using high-dimensional maximally entangled quantum states as channels, an asymmetric controlled bidirectional teleportation scheme is proposed and optimized. The senders (Alice and Bob) and the controller (Charlie) secretly share entangled state in advance to construct quantum channel. Once the communication begins, according to the distribution mode of entangled particles and the different choice of measurement basis, Alice and Bob respectively transmit a single-particle state and a two-particle state in high-dimensional space to each other, under the supervision of Charlie. By optimizing the measurement basis, the success probability raised from 1/d to 1 and the asymmetric controlled bidirectional teleportation is implemented successfully. At the same time, it is physically easy to achive by using generalized Bell-basis measurement and single-qubit measurement only. The improved scheme allows Charlie to control both channels, increasing the security of the scheme.

Key words: quantum optics, bidirectional controlled quantum teleportation, asymmetric quantum teleportation; high-dimension quantum entangled states

中图分类号:

O431.2

刘芷仪, 柏明强∗, 肖钧匀, 李文靖. 高维不对称受控隐形传态方案及优化[J]. 量子电子学报, 2021, 38(1): 31-36.

LIU Zhiyi, BAI Mingqiang∗, XIAO Junyun, LI Wenjing. An asymmetric controlled bidirectional teleportation scheme and optimization[J]. Chinese Journal of Quantum Electronics, 2021, 38(1): 31-36.

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