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

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
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 Before (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 (en)
EP (1) EP3244566B1 (en)
JP (1) JP2019522394A (en)
KR (1) KR102307246B1 (en)
CN (1) CN109478998B (en)
SG (2) SG11201809481YA (en)
WO (1) WO2017194582A1 (en)

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CN108737082B (en) * 2017-04-24 2020-11-17 华为技术有限公司 Signal receiving device and receiving method
CN109104251B (en) * 2017-06-20 2021-07-16 华为技术有限公司 Data transmission method, device and system
WO2019072396A1 (en) * 2017-10-13 2019-04-18 Huawei Technologies Duesseldorf Gmbh Heterodyne receiver and receiving method
CN108134670B (en) * 2018-02-02 2020-12-25 北京邮电大学 Phase reference signal preparation method suitable for continuous variable quantum key distribution
CN108494550B (en) * 2018-03-12 2021-08-06 长春大学 Mobile terminal safety unlocking method based on quantum key
CN110324140B (en) * 2018-03-30 2024-07-02 上海国盾量子信息技术有限公司 Decoding device, method and distribution system for continuous variable quantum key distribution
CN108599949B (en) * 2018-08-06 2020-06-12 山西大学 Method and system for calculating security key rate
EP3837802A1 (en) * 2018-09-07 2021-06-23 Huawei Technologies Duesseldorf GmbH Qpsk based rf-assisted cv- qkd transmission
CN109361515B (en) * 2018-11-23 2022-05-27 山西大学 Pulsed light high-speed polarization locking method for continuous variable quantum key distribution system
EP3703283A1 (en) * 2019-02-27 2020-09-02 Fundació Institut de Ciències Fotòniques Generation of optical pulses with controlled distributions of quadrature values
CN113302875B (en) * 2019-03-04 2024-08-27 杜塞尔多夫华为技术有限公司 Calibrating trusted noise in quantum key distribution
GB2582300A (en) 2019-03-14 2020-09-23 Univ York Methods and apparatus for coherent signal amplification and detection
CN113632414B (en) * 2019-04-04 2024-06-11 杜塞尔多夫华为技术有限公司 Light injection locking in quantum key distribution
CN110380849A (en) * 2019-07-11 2019-10-25 上海循态信息科技有限公司 For the offline phase compensating method and storage medium of high speed drift under CVQKD system
CN110677244B (en) * 2019-09-19 2022-03-18 中国电子科技集团公司第三十研究所 Self-balancing method suitable for continuous variable quantum key distribution system
CN111314071B (en) * 2020-02-14 2022-04-15 上海循态量子科技有限公司 Continuous variable quantum key distribution method and system
US11329797B2 (en) 2020-02-25 2022-05-10 Quantropi Inc. Method and system for secure phase-encoded digital communication over optical channels
CN111555871B (en) * 2020-04-29 2021-03-26 中国科学院半导体研究所 Reconfigurable receiving chip for quantum key distribution
CN111585755B (en) * 2020-04-29 2021-02-23 中国科学院半导体研究所 Multi-protocol compatible quantum key distribution decoding integrated chip with configurable on-chip unit
CN112332976B (en) * 2020-11-04 2022-03-18 中国电子科技集团公司第三十研究所 Modulation variance-based security code rate global optimization method and device
CN112311540A (en) * 2020-11-16 2021-02-02 南京大学 Local oscillator four-state quantum key distribution method and system
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 (en) * 2021-03-25 2022-10-11 中国人民解放军国防科技大学 CS-based free space CV-QKD channel parameter estimation method
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 (en) * 2021-11-08 2023-01-31 北京师范大学 Quantum secure direct communication method based on transmitting or non-transmitting method
CN114285548B (en) * 2021-12-03 2024-03-15 济南量子技术研究院 Decoy MDI-QKD method and system based on phase post-selection
CN114650130A (en) * 2022-03-10 2022-06-21 中国电子科技集团公司第三十研究所 High-precision phase compensation method of CVQKD system based on multipoint sampling mean value
CN114697023B (en) * 2022-03-22 2024-02-13 善恒展创(深圳)发展合伙企业(有限合伙) Privacy information comparison method based on continuous variable ionic state
CN114650206B (en) * 2022-04-08 2023-05-05 中国电子科技集团公司第三十研究所 Quantum key distribution system phase noise compensation method, device, equipment and medium
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Also Published As

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

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