SG10201914017SA - Phase reference sharing schemes for continuous-variable quantum cryptography - Google Patents

Phase reference sharing schemes for continuous-variable quantum cryptography

Info

Publication number
SG10201914017SA
SG10201914017SA SG10201914017SA SG10201914017SA SG10201914017SA SG 10201914017S A SG10201914017S A SG 10201914017SA SG 10201914017S A SG10201914017S A SG 10201914017SA SG 10201914017S A SG10201914017S A SG 10201914017SA SG 10201914017S A SG10201914017S A SG 10201914017SA
Authority
SG
Singapore
Prior art keywords
continuous
phase reference
quantum cryptography
variable quantum
sharing schemes
Prior art date
Application number
SG10201914017SA
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 SG10201914017SA publication Critical patent/SG10201914017SA/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)
SG10201914017SA 2016-05-11 2017-05-10 Phase reference sharing schemes for continuous-variable quantum cryptography SG10201914017SA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16305551.0A EP3244566B1 (de) 2016-05-11 2016-05-11 Phasenreferenzteilungsschemata zur kontinuierlich-variablen quanten-kryptographie

Publications (1)

Publication Number Publication Date
SG10201914017SA true SG10201914017SA (en) 2020-03-30

Family

ID=56413599

Family Applications (2)

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
SG11201809481YA SG11201809481YA (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
SG11201809481YA SG11201809481YA (en) 2016-05-11 2017-05-10 Phase reference sharing schemes for continuous-variable quantum cryptography

Country Status (7)

Country Link
US (1) US10805075B2 (de)
EP (1) EP3244566B1 (de)
JP (1) JP2019522394A (de)
KR (1) KR102307246B1 (de)
CN (1) CN109478998B (de)
SG (2) SG10201914017SA (de)
WO (1) WO2017194582A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107231198B (zh) * 2016-03-25 2019-10-22 华为技术有限公司 量子信号检测方法和量子信号检测装置
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 (de) * 2017-10-13 2022-12-07 Huawei Technologies Duesseldorf GmbH Heterodynempfänger und empfangsverfahren
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
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
WO2020200449A1 (en) * 2019-04-04 2020-10-08 Huawei Technologies Duesseldorf Gmbh Optical injection locking in quantum key distribution
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
US20240171287A1 (en) * 2021-03-22 2024-05-23 Fundació Institit De Ciènces Fotòiniques Method and a device for carrier recovery
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 (de) 2021-07-22 2023-11-01 Uniwersytet Warszawski Verfahren für kohärente optische kommunikationen und zur übertragung von informationen und zur verteilung eines kryptografischen schlüssels und system zur implementierung des verfahrens
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08139701A (ja) * 1994-11-15 1996-05-31 Nippon Telegr & Teleph Corp <Ntt> 量子暗号方式
US7403623B2 (en) * 2002-07-05 2008-07-22 Universite Libre De Bruxelles High-rate quantum key distribution scheme relying on continuously phase and amplitude-modulated coherent light pulses
JP2005286485A (ja) * 2004-03-29 2005-10-13 Sony Corp 量子暗号通信方法、および量子暗号通信装置
CN101015164B (zh) * 2004-09-07 2010-11-03 Magiq技术公司 多路复用qkd信道的系统和方法
FR2879381B1 (fr) * 2004-12-15 2008-12-26 Thales Sa Systeme de distribution quantique de cle de cryptage a variables continues
US7706536B2 (en) * 2005-05-17 2010-04-27 Alcatel-Lucent Usa Inc. Phase locking in a multi-channel quantum communication system
JP4882491B2 (ja) * 2006-05-02 2012-02-22 ソニー株式会社 量子暗号通信装置、通信端末および付加情報送信方法
US8565621B2 (en) * 2011-03-01 2013-10-22 Opnext Subsystems, Inc. Quadrature time skew detection for coherent optical signals
US9331875B2 (en) * 2014-04-04 2016-05-03 Nxgen Partners Ip, Llc System and method for communication using orbital angular momentum with multiple layer overlay modulation
US9553677B1 (en) * 2014-11-17 2017-01-24 Sandia Corporation Self-referenced continuous-variable quantum key distribution
CN104539582B (zh) * 2014-12-03 2018-01-19 上海交通大学 一种连续变量量子密钥分发安全防御方法
EP3335368B1 (de) * 2015-08-14 2022-08-03 Nokia Technologies Oy System zur verteilung von stufenlosem variablem on-chip-quantenschlüssel mit polarisation und frequenzmultiplexing
US9768885B2 (en) * 2015-09-10 2017-09-19 Ut-Battelle, Llc Pilot-aided feedforward data recovery in optical coherent communications

Also Published As

Publication number Publication date
KR102307246B1 (ko) 2021-09-29
SG11201809481YA (en) 2018-11-29
US20190199523A1 (en) 2019-06-27
CN109478998A (zh) 2019-03-15
US10805075B2 (en) 2020-10-13
EP3244566B1 (de) 2020-08-05
JP2019522394A (ja) 2019-08-08
WO2017194582A1 (en) 2017-11-16
CN109478998B (zh) 2021-10-29
KR20190005868A (ko) 2019-01-16
EP3244566A1 (de) 2017-11-15

Similar Documents

Publication Publication Date Title
SG10201914017SA (en) Phase reference sharing schemes for continuous-variable quantum cryptography
EP3263430A4 (de) U-förmiges schloss
PL3198348T3 (pl) Generowanie sekwencji sterującej do sterowania kwantowego
GB201711060D0 (en) Techniques for sharing applications
GB2541851B (en) Hybrid approach for performance enhancing proxies
EP3128658A4 (de) Doppelstatorgeschalteter reluktanzdynamo
GB2560843B (en) Power sharing for DC microgrids
EP3105881C0 (de) Position basierende quantum authentifizierung
AU201611766S (en) Holders for Locks
EP3021417A4 (de) Phasenverschiebungssystem
PL3335289T4 (pl) System kompensacji fazowych
GB201409161D0 (en) Routing scheme switching
EP3309946A4 (de) Plattenartiger gleichstromgenerator mit magnetismuserhöhung
PT3448853T (pt) Compostos para modular aquaporinas
EP3256883A4 (de) Optimale phasenbeziehung
AU5574P (en) SRA7 Saccharum hybrid
AU5571P (en) SRA5 Saccharum hybrid
AU5573P (en) SRA6 Saccharum hybrid
AU2017209V (en) QA02-6431 Saccharum hybrid
AU2017210V (en) SRA10 Saccharum hybrid
AU2017204V (en) SRA9 Saccharum hybrid
AU5611P (en) Manevered Mandevilla hybrid
AU2016207V (en) QS05-6092 Saccharum hybrid
AU2016211V (en) QC04-1411 Saccharum hybrid
GB201616071D0 (en) Receptor modulator compounds