SG11201809481YA - Phase reference sharing schemes for continuous-variable quantum cryptography - Google Patents

Phase reference sharing schemes for continuous-variable quantum cryptography

Info

Publication number
SG11201809481YA
SG11201809481YA SG11201809481YA SG11201809481YA SG11201809481YA SG 11201809481Y A SG11201809481Y A SG 11201809481YA SG 11201809481Y A SG11201809481Y A SG 11201809481YA SG 11201809481Y A SG11201809481Y A SG 11201809481YA SG 11201809481Y A SG11201809481Y A SG 11201809481YA
Authority
SG
Singapore
Prior art keywords
international
schemes
phase
pct
continuous
Prior art date
Application number
SG11201809481YA
Other languages
English (en)
Inventor
Romain Alleaume
Adrien Marie
Original Assignee
Inst Mines Telecom
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inst Mines Telecom filed Critical Inst Mines Telecom
Publication of SG11201809481YA publication Critical patent/SG11201809481YA/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0852—Quantum cryptography
    • H04L9/0858—Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H04B10/63—Homodyne, i.e. coherent receivers where the local oscillator is locked in frequency and phase to the carrier signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/70—Photonic quantum communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0852—Quantum cryptography
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
SG11201809481YA 2016-05-11 2017-05-10 Phase reference sharing schemes for continuous-variable quantum cryptography SG11201809481YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16305551.0A EP3244566B1 (en) 2016-05-11 2016-05-11 Phase reference sharing schemes for continuous-variable quantum cryptography
PCT/EP2017/061136 WO2017194582A1 (en) 2016-05-11 2017-05-10 Phase reference sharing schemes for continuous-variable quantum cryptography

Publications (1)

Publication Number Publication Date
SG11201809481YA true SG11201809481YA (en) 2018-11-29

Family

ID=56413599

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11201809481YA SG11201809481YA (en) 2016-05-11 2017-05-10 Phase reference sharing schemes for continuous-variable quantum cryptography
SG10201914017SA SG10201914017SA (en) 2016-05-11 2017-05-10 Phase reference sharing schemes for continuous-variable quantum cryptography

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG10201914017SA SG10201914017SA (en) 2016-05-11 2017-05-10 Phase reference sharing schemes for continuous-variable quantum cryptography

Country Status (7)

Country Link
US (1) US10805075B2 (ko)
EP (1) EP3244566B1 (ko)
JP (1) JP2019522394A (ko)
KR (1) KR102307246B1 (ko)
CN (1) CN109478998B (ko)
SG (2) SG11201809481YA (ko)
WO (1) WO2017194582A1 (ko)

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CN106850217B (zh) * 2017-04-06 2019-06-14 山西大学 一种实现一维调制连续变量量子密钥分发方法
CN108737082B (zh) * 2017-04-24 2020-11-17 华为技术有限公司 信号的接收装置和接收方法
CN109104251B (zh) * 2017-06-20 2021-07-16 华为技术有限公司 一种数据传输方法、装置及系统
EP3656078B1 (en) * 2017-10-13 2022-12-07 Huawei Technologies Duesseldorf GmbH Heterodyne receiver and receiving method
CN108134670B (zh) * 2018-02-02 2020-12-25 北京邮电大学 一种适用于连续变量量子密钥分发中相位参考信号制备方法
CN108494550B (zh) * 2018-03-12 2021-08-06 长春大学 一种基于量子密钥的移动端安全解锁方法
CN110324140A (zh) * 2018-03-30 2019-10-11 上海国盾量子信息技术有限公司 一种用于连续变量量子密钥分发的解码装置、方法及分发系统
CN108599949B (zh) * 2018-08-06 2020-06-12 山西大学 一种安全密钥速率计算方法及系统
WO2020048610A1 (en) * 2018-09-07 2020-03-12 Huawei Technologies Duesseldorf Gmbh Qpsk based rf-assisted cv- qkd transmission
CN109361515B (zh) * 2018-11-23 2022-05-27 山西大学 连续变量量子密钥分发系统脉冲光高速偏振锁定方法
CN113302875A (zh) * 2019-03-04 2021-08-24 杜塞尔多夫华为技术有限公司 量子密钥分发中校准可信噪声
GB2582300A (en) * 2019-03-14 2020-09-23 Univ York Methods and apparatus for coherent signal amplification and detection
CN113632414B (zh) * 2019-04-04 2024-06-11 杜塞尔多夫华为技术有限公司 量子密钥分发中的光注入锁定
CN110380849A (zh) * 2019-07-11 2019-10-25 上海循态信息科技有限公司 Cvqkd系统下针对高速漂移的离线相位补偿方法及存储介质
CN110677244B (zh) * 2019-09-19 2022-03-18 中国电子科技集团公司第三十研究所 一种适用于连续变量量子密钥分发系统的自平衡方法
CN111314071B (zh) * 2020-02-14 2022-04-15 上海循态量子科技有限公司 连续变量量子密钥分发方法及系统
US11329797B2 (en) 2020-02-25 2022-05-10 Quantropi Inc. Method and system for secure phase-encoded digital communication over optical channels
CN111585755B (zh) * 2020-04-29 2021-02-23 中国科学院半导体研究所 片上单元可配置的多协议兼容量子密钥分发解码集成芯片
CN111555871B (zh) * 2020-04-29 2021-03-26 中国科学院半导体研究所 用于量子密钥分发的可重构接收芯片
CN112332976B (zh) * 2020-11-04 2022-03-18 中国电子科技集团公司第三十研究所 一种基于调制方差的安全码率全局优化方法与装置
CN112311540A (zh) * 2020-11-16 2021-02-02 南京大学 一种本地本振的四态量子密钥分发方法及系统
GB2602353B (en) * 2020-12-24 2023-09-13 Toshiba Kk Optical system and method
KR20230157504A (ko) * 2021-03-22 2023-11-16 푼다시오 인스티튜트 드 시엔시스 포토닉스 캐리어 복원을 위한 방법 및 디바이스
CN113225273B (zh) * 2021-03-25 2022-10-11 中国人民解放军国防科技大学 一种基于cs的自由空间cv-qkd信道参数估计方法
EP4123958B1 (en) 2021-07-22 2023-11-01 Uniwersytet Warszawski Method for coherent optical communications for the transmission of information and for the distribution of a cryptographic key and a system for implementing the method
CN114050868B (zh) * 2021-11-08 2023-01-31 北京师范大学 基于发或不发方法的量子安全直接通信方法
CN114285548B (zh) * 2021-12-03 2024-03-15 济南量子技术研究院 一种基于相位后选择的诱骗态mdi-qkd方法和系统
CN114650130A (zh) * 2022-03-10 2022-06-21 中国电子科技集团公司第三十研究所 一种基于多点采样均值的cvqkd系统的高精度相位补偿方法
CN114697023B (zh) * 2022-03-22 2024-02-13 善恒展创(深圳)发展合伙企业(有限合伙) 一种基于连续变量离子态的私密信息比较方法
CN114650206B (zh) * 2022-04-08 2023-05-05 中国电子科技集团公司第三十研究所 量子密钥分发系统相位噪声补偿方法、装置、设备及介质

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Also Published As

Publication number Publication date
US10805075B2 (en) 2020-10-13
EP3244566B1 (en) 2020-08-05
SG10201914017SA (en) 2020-03-30
JP2019522394A (ja) 2019-08-08
EP3244566A1 (en) 2017-11-15
US20190199523A1 (en) 2019-06-27
WO2017194582A1 (en) 2017-11-16
CN109478998B (zh) 2021-10-29
KR20190005868A (ko) 2019-01-16
KR102307246B1 (ko) 2021-09-29
CN109478998A (zh) 2019-03-15

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