GB2582557B - Improvements to QKD network architectures - Google Patents

Improvements to QKD network architectures Download PDF

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Publication number
GB2582557B
GB2582557B GB1903954.4A GB201903954A GB2582557B GB 2582557 B GB2582557 B GB 2582557B GB 201903954 A GB201903954 A GB 201903954A GB 2582557 B GB2582557 B GB 2582557B
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United Kingdom
Prior art keywords
network architectures
qkd network
qkd
architectures
network
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB1903954.4A
Other versions
GB2582557A (en
GB201903954D0 (en
Inventor
lord Andrew
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB1903954.4A priority Critical patent/GB2582557B/en
Publication of GB201903954D0 publication Critical patent/GB201903954D0/en
Publication of GB2582557A publication Critical patent/GB2582557A/en
Application granted granted Critical
Publication of GB2582557B publication Critical patent/GB2582557B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04L9/0855—Quantum cryptography involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes
    • 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
    • H04L9/0858—Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems

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)
GB1903954.4A 2019-03-22 2019-03-22 Improvements to QKD network architectures Active GB2582557B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1903954.4A GB2582557B (en) 2019-03-22 2019-03-22 Improvements to QKD network architectures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1903954.4A GB2582557B (en) 2019-03-22 2019-03-22 Improvements to QKD network architectures

Publications (3)

Publication Number Publication Date
GB201903954D0 GB201903954D0 (en) 2019-05-08
GB2582557A GB2582557A (en) 2020-09-30
GB2582557B true GB2582557B (en) 2021-10-13

Family

ID=66381284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1903954.4A Active GB2582557B (en) 2019-03-22 2019-03-22 Improvements to QKD network architectures

Country Status (1)

Country Link
GB (1) GB2582557B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3340529A1 (en) * 2016-12-20 2018-06-27 ID Quantique S.A. Apparatus and method for enhancing secret key rate exchange over quantum channel in quantum key distributionsystems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3340529A1 (en) * 2016-12-20 2018-06-27 ID Quantique S.A. Apparatus and method for enhancing secret key rate exchange over quantum channel in quantum key distributionsystems

Also Published As

Publication number Publication date
GB2582557A (en) 2020-09-30
GB201903954D0 (en) 2019-05-08

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