JP5959577B2 - 光通信方法およびシステム - Google Patents

光通信方法およびシステム Download PDF

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Publication number
JP5959577B2
JP5959577B2 JP2014136718A JP2014136718A JP5959577B2 JP 5959577 B2 JP5959577 B2 JP 5959577B2 JP 2014136718 A JP2014136718 A JP 2014136718A JP 2014136718 A JP2014136718 A JP 2014136718A JP 5959577 B2 JP5959577 B2 JP 5959577B2
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JP
Japan
Prior art keywords
photon
polarizer
photon pair
correlated
detector
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JP2014136718A
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English (en)
Japanese (ja)
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JP2016015620A (ja
JP2016015620A5 (https=
Inventor
森本　政仁
政仁 森本
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Furukawa Electric Co Ltd
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Furukawa Electric Co Ltd
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Application filed by Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP2014136718A priority Critical patent/JP5959577B2/ja
Priority to PCT/JP2015/003018 priority patent/WO2016002149A1/ja
Publication of JP2016015620A publication Critical patent/JP2016015620A/ja
Publication of JP2016015620A5 publication Critical patent/JP2016015620A5/ja
Application granted granted Critical
Publication of JP5959577B2 publication Critical patent/JP5959577B2/ja
Priority to US15/393,355 priority patent/US9935721B2/en
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    • 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
    • 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
    • H04B10/532—Polarisation 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Communication System (AREA)
  • Polarising Elements (AREA)
JP2014136718A 2014-07-02 2014-07-02 光通信方法およびシステム Active JP5959577B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014136718A JP5959577B2 (ja) 2014-07-02 2014-07-02 光通信方法およびシステム
PCT/JP2015/003018 WO2016002149A1 (ja) 2014-07-02 2015-06-17 光通信方法およびシステム
US15/393,355 US9935721B2 (en) 2014-07-02 2016-12-29 Optical communication method and optical communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014136718A JP5959577B2 (ja) 2014-07-02 2014-07-02 光通信方法およびシステム

Publications (3)

Publication Number Publication Date
JP2016015620A JP2016015620A (ja) 2016-01-28
JP2016015620A5 JP2016015620A5 (https=) 2016-03-10
JP5959577B2 true JP5959577B2 (ja) 2016-08-02

Family

ID=55018730

Family Applications (1)

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JP2014136718A Active JP5959577B2 (ja) 2014-07-02 2014-07-02 光通信方法およびシステム

Country Status (3)

Country Link
US (1) US9935721B2 (https=)
JP (1) JP5959577B2 (https=)
WO (1) WO2016002149A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109274420B (zh) * 2018-11-16 2020-05-05 西安电子科技大学 一种用于星地下行链路的纠缠光子对传输率估计方法
KR102150232B1 (ko) * 2020-04-22 2020-08-31 이우진 광학 암호통신 시스템의 광학 암호통신 방법
KR102150233B1 (ko) * 2020-04-22 2020-08-31 이우진 광학 암호통신 시스템의 광학 암호통신 방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6314189B1 (en) * 1997-10-02 2001-11-06 Akio Motoyoshi Method and apparatus for quantum communication
JP2001217344A (ja) * 2000-02-04 2001-08-10 Nec Corp 半導体装置およびその製造方法
JP2001339387A (ja) * 2000-05-29 2001-12-07 Akio Motoyoshi 量子通信方法及び装置
JP4095536B2 (ja) * 2003-10-30 2008-06-04 株式会社東芝 秘密鍵配布方法および秘密鍵配布装置
EP1748595B1 (en) 2004-05-17 2015-09-23 Mitsubishi Denki Kabushiki Kaisha Quantum cryptography communication apparatus
US20100166187A1 (en) * 2006-09-11 2010-07-01 Alexei Trifonov Qkd using high-altitude paltforms
EP1988649A1 (en) * 2007-05-04 2008-11-05 Nokia Siemens Networks Oy Methods, systems, apparatuses and related computer program product for allocation of communication resources
JP2011217344A (ja) * 2009-10-29 2011-10-27 Hit Design:Kk 量子通信装置，量子通信方法および量子情報処理方法

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Publication number Publication date
JP2016015620A (ja) 2016-01-28
US20170111121A1 (en) 2017-04-20
WO2016002149A1 (ja) 2016-01-07
US9935721B2 (en) 2018-04-03

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