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ATE387772T1 - Überwachungserfasser für ein qkd-system - Google Patents

Überwachungserfasser für ein qkd-system

Info

Publication number
ATE387772T1
ATE387772T1 AT04700003T AT04700003T ATE387772T1 AT E387772 T1 ATE387772 T1 AT E387772T1 AT 04700003 T AT04700003 T AT 04700003T AT 04700003 T AT04700003 T AT 04700003T AT E387772 T1 ATE387772 T1 AT E387772T1
Authority
AT
Austria
Prior art keywords
qkd
alice
monitoring detector
qkd system
order
Prior art date
Application number
AT04700003T
Other languages
English (en)
Inventor
Alexei Trifonov
Harry Vig
Original Assignee
Magiq Technologies Inc
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
Priority claimed from US10/670,969 external-priority patent/US7036364B2/en
Application filed by Magiq Technologies Inc filed Critical Magiq Technologies Inc
Application granted granted Critical
Publication of ATE387772T1 publication Critical patent/ATE387772T1/de

Links

Classifications

    • 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
    • H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
    • H04B10/85—Protection from unauthorised access, e.g. eavesdrop protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0075—Arrangements for synchronising receiver with transmitter with photonic or optical means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Burglar Alarm Systems (AREA)
  • Amplifiers (AREA)
AT04700003T 2003-02-07 2004-01-17 Überwachungserfasser für ein qkd-system ATE387772T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44580503P 2003-02-07 2003-02-07
US10/670,969 US7036364B2 (en) 2003-09-25 2003-09-25 Optical system and method for measuring continuously distributed strain

Publications (1)

Publication Number Publication Date
ATE387772T1 true ATE387772T1 (de) 2008-03-15

Family

ID=32871961

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04700003T ATE387772T1 (de) 2003-02-07 2004-01-17 Überwachungserfasser für ein qkd-system

Country Status (5)

Country Link
EP (1) EP1522166B1 (de)
JP (1) JP4358829B2 (de)
AT (1) ATE387772T1 (de)
DE (1) DE602004012034D1 (de)
WO (1) WO2004073228A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1651947A (zh) * 2004-02-02 2005-08-10 中国科学技术大学 一种偏振控制编码方法、编码器和量子密钥分配系统
GB2449290B (en) 2007-05-17 2010-09-22 Toshiba Res Europ Ltd An optical system
JP5751649B2 (ja) * 2010-10-08 2015-07-22 アイディー クアンティック エス．アー． 量子暗号装置の単一光子検出器を制御しようとする攻撃を、効率をランダムに変えることによって検出するための装置及び方法
WO2013009946A1 (en) 2011-07-14 2013-01-17 The Trustees Of Columbia University In The City Of New York Chip integrated single photon generation by active time multiplexing
WO2013112351A2 (en) 2012-01-23 2013-08-01 The Trustees Of Columbia University In The City Of New York Systems and methods for telecommunication using high-dimensional temporal quantum key distribution
GB2520208B (en) * 2012-10-12 2015-12-09 Toshiba Res Europ Ltd A system and method for intensity monitoring
JP6681081B2 (ja) * 2016-02-04 2020-04-15 国立大学法人北海道大学 乱数列生成装置、量子暗号送信機及び量子暗号通信システム
CN108037907B (zh) * 2017-12-29 2021-03-02 太原理工大学 一种基于真空并行的量子随机数产生方法
WO2021010429A1 (ja) 2019-07-15 2021-01-21 国立大学法人東京大学 応答推定方法及び応答推定装置
CN111721193B (zh) * 2020-06-04 2021-05-07 华东师范大学 一种测量激光干涉仪中量子噪声的教学演示装置及演示方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2169553C (en) * 1993-09-09 1999-12-07 Paul David Townsend System and method for key distribution using quantum cryptography
US5764765A (en) * 1993-09-09 1998-06-09 British Telecommunications Public Limited Company Method for key distribution using quantum cryptography
ES2126143T3 (es) * 1993-09-09 1999-03-16 British Telecomm Distribucion de claves en una red de acceso multiple mediante criptografia cuantica.
US5953421A (en) * 1995-08-16 1999-09-14 British Telecommunications Public Limited Company Quantum cryptography
EP0923828B1 (de) * 1996-09-05 2004-01-28 Swisscom AG Quantenkryptographisches gerät und verfahren
AU2001282852A1 (en) * 2000-04-28 2001-11-20 The Regents Of The University Of California Method and apparatus for free-space quantum key distribution in daylight

Also Published As

Publication number Publication date
WO2004073228A3 (en) 2004-11-18
JP2006512879A (ja) 2006-04-13
EP1522166A2 (de) 2005-04-13
EP1522166B1 (de) 2008-02-27
DE602004012034D1 (de) 2008-04-10
EP1522166A4 (de) 2005-08-10
JP4358829B2 (ja) 2009-11-04
WO2004073228A2 (en) 2004-08-26

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties