DE69123354D1 - Optisches übertragungssystem - Google Patents

Optisches übertragungssystem

Info

Publication number
DE69123354D1
DE69123354D1 DE69123354T DE69123354T DE69123354D1 DE 69123354 D1 DE69123354 D1 DE 69123354D1 DE 69123354 T DE69123354 T DE 69123354T DE 69123354 T DE69123354 T DE 69123354T DE 69123354 D1 DE69123354 D1 DE 69123354D1
Authority
DE
Germany
Prior art keywords
transmission system
optical transmission
optical
transmission
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.)
Expired - Lifetime
Application number
DE69123354T
Other languages
English (en)
Other versions
DE69123354T2 (de
Inventor
John Gilroy Rarity
Paul Richard Tapster
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.)
Qinetiq Ltd
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Application granted granted Critical
Publication of DE69123354D1 publication Critical patent/DE69123354D1/de
Publication of DE69123354T2 publication Critical patent/DE69123354T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B10/70—Photonic quantum communication

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
DE69123354T 1990-08-31 1991-08-08 Optisches übertragungssystem Expired - Lifetime DE69123354T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909018973A GB9018973D0 (en) 1990-08-31 1990-08-31 Optical communications system
PCT/GB1991/001352 WO1992004785A1 (en) 1990-08-31 1991-08-08 Optical communications system

Publications (2)

Publication Number Publication Date
DE69123354D1 true DE69123354D1 (de) 1997-01-09
DE69123354T2 DE69123354T2 (de) 1997-04-03

Family

ID=10681410

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69123354T Expired - Lifetime DE69123354T2 (de) 1990-08-31 1991-08-08 Optisches übertragungssystem

Country Status (7)

Country Link
US (1) US5418905A (de)
EP (1) EP0545982B1 (de)
JP (1) JP3317352B2 (de)
CA (1) CA2090408C (de)
DE (1) DE69123354T2 (de)
GB (2) GB9018973D0 (de)
WO (1) WO1992004785A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994015422A1 (en) * 1992-12-24 1994-07-07 British Telecommunications Public Limited Company System and method for key distribution using quantum cryptography
EP0739559B1 (de) * 1993-09-09 2003-04-09 BRITISH TELECOMMUNICATIONS public limited company Verfahren zur schlusselverteilung unter verwendung von quanten-kryptographie
AU678049B2 (en) * 1993-09-09 1997-05-15 British Telecommunications Public Limited Company System and method for quantum cryptography
JP3756948B2 (ja) * 1993-09-09 2006-03-22 ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 量子暗号を使用するキー配送システムおよび方法
DE69414864T2 (de) * 1993-09-09 1999-05-12 British Telecommunications P.L.C., London Schlüsselverteilung in einem netzwerk mit vielfachzugriff unter verwendung von quanten-kryptographie
JPH0795156A (ja) * 1993-09-20 1995-04-07 Fujitsu Ltd 光入力断検出回路
US5953421A (en) * 1995-08-16 1999-09-14 British Telecommunications Public Limited Company Quantum cryptography
JP2000515642A (ja) * 1996-03-19 2000-11-21 アンシブル、インコーポレイテッド 相関関係にある量子状態確率分布の制御
JP3726250B2 (ja) * 1997-12-22 2005-12-14 独立行政法人科学技術振興機構 パラメトリック蛍光対発生装置
US6289104B1 (en) 1998-08-07 2001-09-11 Ilinois Institute Of Technology Free-space quantum cryptography system
US6473719B1 (en) * 1999-01-11 2002-10-29 Ansible, Inc. Method and apparatus for selectively controlling the quantum state probability distribution of entangled quantum objects
US7184555B2 (en) * 2001-04-11 2007-02-27 Magiq Technologies, Inc. Quantum computation
US6646727B2 (en) * 2001-05-16 2003-11-11 Bahaa E. A. Saleh Polarization mode dispersion characterization apparatus and method
US7113967B2 (en) 2001-05-29 2006-09-26 Magiq Technologies, Inc Efficient quantum computing operations
US7126691B2 (en) * 2002-01-06 2006-10-24 Erann Gat Communications method and apparatus using quantum entanglement
AU2002259202A1 (en) * 2002-05-20 2003-12-12 Magiq Technologies, Inc. Long-distance quantum communication
US7317574B2 (en) * 2002-05-20 2008-01-08 Magiq Technologies, Inc. Long-distance quantum communication
US7822342B1 (en) * 2004-11-15 2010-10-26 The United States Of America As Represented By The Secretary Of The Navy Secure quantum optical communications system and method
US7302187B1 (en) * 2004-12-08 2007-11-27 United States Of America As Represented By The Secretary Of The Navy Minimum transmitted photon quantum optical communications system
US7437080B2 (en) * 2005-02-03 2008-10-14 Stratalight Communications, Inc. Optical transmission system having optimized filter wavelength offsets
US20060188255A1 (en) * 2005-02-18 2006-08-24 Fujitsu Limited Monitoring wavelength dispersion variation using photon absorption
US7574137B1 (en) * 2006-05-05 2009-08-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multi-wavelength time-coincident optical communications system and methods thereof
US20090114526A1 (en) * 2006-12-11 2009-05-07 Huping Hu Method and apparatus for producing non-local physical, chemical and biological effects
US8068740B1 (en) * 2008-07-29 2011-11-29 The United States Of America As Represented By Secretary Of The Navy Secure optical communication system
US8995842B1 (en) 2009-08-06 2015-03-31 The United States of America as Represented by the Administrator of National Aeronautics and Space Administrator Secured optical communications using quantum entangled two-photon transparency modulation
US9335414B2 (en) * 2014-07-11 2016-05-10 Raytheon Company Frequency agile LADAR
US12039409B2 (en) 2020-05-05 2024-07-16 Qubit Moving And Storage, Llc Quantum information system and method with entanglement tracking and generation of verified quantum information using metadata
US11614771B2 (en) 2020-11-25 2023-03-28 Qubit Moving And Storage, Llc Method for synchronizing and locking clocks
US11367014B2 (en) 2020-05-05 2022-06-21 Qubit Moving And Storage, Llc System and method for quantum cache
US12088352B2 (en) 2022-04-06 2024-09-10 Qubit Moving And Storage, Llc Method and system for identifying entangled photons without classical information sharing
US11616644B2 (en) 2020-11-25 2023-03-28 Qubit Moving And Storage, Llc System and method of verification and authentication using entangled photons
US12003626B2 (en) 2020-11-25 2024-06-04 Qubit Moving And Storage, Llc System and method of verification, authentication, and/or certification using entangled photons
US11848711B2 (en) * 2022-02-18 2023-12-19 Mellanox Technologies, Ltd. Network interface card for quantum computing over classical and quantum communication channels
US11933608B2 (en) 2022-05-19 2024-03-19 Qubit Moving And Storage, Llc Quantum interferometer with improved entangled photon identification
US12007272B2 (en) 2022-10-15 2024-06-11 Qubit Moving And Storage, Llc Entangled photon identification system and method for quantum optical measurement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2094593B (en) * 1981-03-06 1984-11-07 Marconi Co Ltd Signal encryption systems
GB2106736B (en) * 1981-09-03 1985-06-12 Standard Telephones Cables Ltd Optical transmission system

Also Published As

Publication number Publication date
WO1992004785A1 (en) 1992-03-19
GB9018973D0 (en) 1990-10-17
US5418905A (en) 1995-05-23
DE69123354T2 (de) 1997-04-03
EP0545982B1 (de) 1996-11-27
GB2267622A (en) 1993-12-08
CA2090408A1 (en) 1992-03-01
JPH06509448A (ja) 1994-10-20
EP0545982A1 (de) 1993-06-16
JP3317352B2 (ja) 2002-08-26
GB9302129D0 (en) 1993-05-05
CA2090408C (en) 2002-07-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: QINETIQ LTD., LONDON, GB