DE602007010049D1 - Optische Kommunikationsvorrichtung und Quantenschlüsselverteilungssystem - Google Patents

Optische Kommunikationsvorrichtung und Quantenschlüsselverteilungssystem

Info

Publication number
DE602007010049D1
DE602007010049D1 DE602007010049T DE602007010049T DE602007010049D1 DE 602007010049 D1 DE602007010049 D1 DE 602007010049D1 DE 602007010049 T DE602007010049 T DE 602007010049T DE 602007010049 T DE602007010049 T DE 602007010049T DE 602007010049 D1 DE602007010049 D1 DE 602007010049D1
Authority
DE
Germany
Prior art keywords
communication device
distribution system
optical communication
key distribution
quantum key
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
DE602007010049T
Other languages
English (en)
Inventor
Akihiro Tanaka
Akio Tajima
Seigo Takahashi
Wakako Maeda
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE602007010049D1 publication Critical patent/DE602007010049D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5051—Laser transmitters using external modulation using a series, i.e. cascade, combination of modulators
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • 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
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/54—Intensity modulation
    • 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
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/548—Phase or frequency modulation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Communication System (AREA)
DE602007010049T 2006-04-20 2007-04-20 Optische Kommunikationsvorrichtung und Quantenschlüsselverteilungssystem Active DE602007010049D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006116713A JP5196093B2 (ja) 2006-04-20 2006-04-20 光通信装置およびそれを用いた量子暗号鍵配布システム

Publications (1)

Publication Number Publication Date
DE602007010049D1 true DE602007010049D1 (de) 2010-12-09

Family

ID=38230174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007010049T Active DE602007010049D1 (de) 2006-04-20 2007-04-20 Optische Kommunikationsvorrichtung und Quantenschlüsselverteilungssystem

Country Status (4)

Country Link
US (1) US7907850B2 (de)
EP (1) EP1848128B1 (de)
JP (1) JP5196093B2 (de)
DE (1) DE602007010049D1 (de)

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JP5295624B2 (ja) * 2008-04-28 2013-09-18 三菱電機株式会社 光送信器
KR100983008B1 (ko) * 2008-05-30 2010-09-20 한국전자통신연구원 양자 암호 시스템 및 양자 암호 키의 분배 방법
TWI382684B (zh) * 2008-11-07 2013-01-11 Univ Nat Chiao Tung Dual Service Fiber Capture System
KR101253324B1 (ko) * 2008-12-16 2013-04-12 한국전자통신연구원 양자화 암호 통신을 위한 광 숏 펄스 생성장치 및 방법
JP5264521B2 (ja) 2009-01-16 2013-08-14 三菱電機株式会社 光送信器
US8588607B2 (en) * 2009-01-29 2013-11-19 Hewlett-Packard Development Company, L.P. Dispersion scheme for physical layer diagnosis in bi-directional dual-fiber optical networks
JP2011022479A (ja) 2009-07-17 2011-02-03 Mitsubishi Electric Corp 多値光送信器
KR101327661B1 (ko) * 2009-12-21 2013-11-14 한국전자통신연구원 양자 암호키 분배를 위한 광위상 변조 방법 및 장치
GB2476818B (en) * 2010-01-08 2012-04-25 Toshiba Res Europ Ltd Quantum communication system and method
JP5682212B2 (ja) 2010-10-06 2015-03-11 ソニー株式会社 量子暗号通信装置と量子暗号通信方法および量子暗号通信システム
JP5957924B2 (ja) * 2012-02-07 2016-07-27 日本電気株式会社 量子鍵配付装置および量子鍵配付方法
JP5885297B2 (ja) * 2012-02-15 2016-03-15 Kddi株式会社 様々な変調形式の光信号を生成する装置および方法
CA2882288C (en) * 2012-08-17 2020-10-27 Los Alamos National Security, Llc Quantum communications system with integrated photonic devices
ITMI20132014A1 (it) * 2013-12-03 2015-06-04 Milano Politecnico Sistema di comunicazione ottica multilivello con una pluralità di sorgenti di radiazione ottica
JP6446803B2 (ja) * 2014-03-25 2019-01-09 日本電気株式会社 光送受信器
CN103986527B (zh) * 2014-06-06 2016-08-17 中国科学技术大学 一种高速低电压相位调制方法
US9313180B1 (en) * 2015-03-31 2016-04-12 Corning Incorporated Systems and methods for quantum key generation
KR20170133413A (ko) 2015-03-31 2017-12-05 코닝 인코포레이티드 양자 키 생성을 위한 시스템 및 방법
CN106161402B (zh) * 2015-04-22 2019-07-16 阿里巴巴集团控股有限公司 基于云环境的加密机密钥注入系统、方法及装置
US9710230B2 (en) * 2015-10-27 2017-07-18 Fundació Insititut De Ciències Fotòniques Process for quantum random number generation in a multimode laser cavity
EP3182638B1 (de) * 2015-12-18 2019-12-25 ID Quantique S.A. Vorrichtung und verfahren zum hinzufügen einer entropiequelle zu quanten-schlüsselverteilungssystemen
GB2551685B (en) 2016-02-16 2019-12-11 Toshiba Kk An optical device, a transmitter for a quantum communication system and a quantum communication system
CN106230511B (zh) * 2016-08-31 2018-07-17 南京恩瑞特实业有限公司 5g分布式基站天线射频光传输系统
CN106712947B (zh) * 2017-03-24 2023-08-18 浙江九州量子信息技术股份有限公司 一种基于量子密钥分配系统的驱动电路
GB2571521B (en) 2018-02-22 2021-07-07 Toshiba Kk A transmitter for a quantum communication system, a quantum communication system and a method of generating intensity modulated Photon pulses
CN110351070B (zh) * 2018-04-02 2024-06-21 浙江九州量子信息技术股份有限公司 一种基于y波导的量子密钥分发系统及方法
CN108540282A (zh) * 2018-05-02 2018-09-14 如般量子科技有限公司 基于偏振调制时间编码的hd-qkd系统
CN108650088B (zh) * 2018-07-04 2023-10-20 中国科学技术大学 包含至少三方的量子通信装置及方法
CN109039618B (zh) * 2018-10-29 2023-08-04 中国电子科技集团公司电子科学研究院 量子密钥分发相位解码方法和装置及相应系统
CN109039619B (zh) * 2018-10-29 2023-05-26 中国电子科技集团公司电子科学研究院 量子密钥分发时间比特-相位解码方法和装置及相应系统
CN109343173B (zh) * 2018-12-06 2023-08-25 安徽问天量子科技股份有限公司 一种混合波导集成的干涉仪
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WO2021250829A1 (ja) * 2020-06-10 2021-12-16 日本電気株式会社 光送信機および変調タイミング正誤判定方法
CN113364526B (zh) * 2021-05-21 2022-07-26 电子科技大学 一种微波多相位差分相移键控信号的光学解调系统
CN114124386B (zh) * 2022-01-26 2022-05-06 杭州慧明量子通信技术有限公司 一种可调延时干涉仪及量子密钥分发系统

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JP4784202B2 (ja) * 2004-09-02 2011-10-05 日本電気株式会社 多重化通信システムおよびそのクロストーク除去方法
US7277603B1 (en) * 2006-02-22 2007-10-02 Nortel Networks Limited Integrated optical waveform modulation

Also Published As

Publication number Publication date
JP5196093B2 (ja) 2013-05-15
EP1848128B1 (de) 2010-10-27
EP1848128A1 (de) 2007-10-24
US20070248362A1 (en) 2007-10-25
US7907850B2 (en) 2011-03-15
JP2007286551A (ja) 2007-11-01

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