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基于相干態(tài)光場的連續(xù)變量測量設(shè)備無關(guān)Cluster態(tài)量子通信

王宇 蘇琦

王宇, 蘇琦. 基于相干態(tài)光場的連續(xù)變量測量設(shè)備無關(guān)Cluster態(tài)量子通信[J]. 電子與信息學(xué)報, 2020, 42(2): 307-314. doi: 10.11999/JEIT190661
引用本文: 王宇, 蘇琦. 基于相干態(tài)光場的連續(xù)變量測量設(shè)備無關(guān)Cluster態(tài)量子通信[J]. 電子與信息學(xué)報, 2020, 42(2): 307-314. doi: 10.11999/JEIT190661
Yu WANG, Qi SU. Continuous Variable Measurement-Device-Independent Cluster State Quantum Communication Based on Coherent State[J]. Journal of Electronics & Information Technology, 2020, 42(2): 307-314. doi: 10.11999/JEIT190661
Citation: Yu WANG, Qi SU. Continuous Variable Measurement-Device-Independent Cluster State Quantum Communication Based on Coherent State[J]. Journal of Electronics & Information Technology, 2020, 42(2): 307-314. doi: 10.11999/JEIT190661

基于相干態(tài)光場的連續(xù)變量測量設(shè)備無關(guān)Cluster態(tài)量子通信

doi: 10.11999/JEIT190661
基金項目: 國家自然科學(xué)基金(61602045, 61602046),國家重點研發(fā)計劃(2016YFA0302600, 2018YFA0306404)
詳細(xì)信息
    作者簡介:

    王宇:男,1982年生,副研究員,研究方向為量子密碼和量子計算

    蘇琦:男,1985年生,助理研究員,研究方向為量子隨機數(shù)和量子協(xié)議

    通訊作者:

    王宇 wangy@sklc.org

  • 中圖分類號: TN918

Continuous Variable Measurement-Device-Independent Cluster State Quantum Communication Based on Coherent State

Funds: The National Natural Science Foundation of China (61602045, 61602046), The National Key Research and Development Program of China (2016YFA0302600, 2018YFA0306404)
  • 摘要: 由于量子通信協(xié)議理論上可以發(fā)現(xiàn)任何竊聽者的攻擊行為,因此其天然具有抗量子計算機攻擊的能力。高斯相干態(tài)光場相較于糾纏態(tài)光場更容易制備和實現(xiàn),利用其實現(xiàn)量子通信網(wǎng)絡(luò)更具經(jīng)濟價值和實用價值。該文提出一種利用連續(xù)變量(CV)相干態(tài)光場就可以實現(xiàn)的測量設(shè)備無關(guān)(MDI)Cluster態(tài)量子通信網(wǎng)絡(luò)協(xié)議。在此網(wǎng)絡(luò)上可以方便地執(zhí)行量子秘密共享(QSS)協(xié)議和量子會議(QC)協(xié)議。該文提出了線型Cluster態(tài)實現(xiàn)任意部分用戶間QSS協(xié)議、星型Cluster態(tài)四用戶QSS協(xié)議和QC協(xié)議,并利用糾纏模型分析了選用對稱和非對稱網(wǎng)絡(luò)結(jié)構(gòu)時,每種協(xié)議密鑰率和傳輸距離之間的變化關(guān)系。結(jié)論為在量子網(wǎng)絡(luò)中利用相干態(tài)實現(xiàn)QSS和QC協(xié)議提供了理論依據(jù)。
  • 圖  1  測量設(shè)備無關(guān)網(wǎng)絡(luò)架構(gòu)

    圖  2  4用戶相干態(tài)測量設(shè)備無關(guān)量子通信網(wǎng)絡(luò)

    圖  3  Eve的輸出模式和攻擊方案

    圖  4  4用戶參與QSS協(xié)議安全密鑰率和傳輸距離的關(guān)系

    圖  5  3用戶參與QSS協(xié)議安全密鑰率和傳輸距離的關(guān)系

    圖  6  QC協(xié)議安全密鑰率和傳輸距離的關(guān)系

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出版歷程
  • 收稿日期:  2019-08-30
  • 修回日期:  2019-12-06
  • 網(wǎng)絡(luò)出版日期:  2019-12-20
  • 刊出日期:  2020-02-19

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