JP2005229598A - ファイバ損失の能動型モニタ装置及び方法 - Google Patents

ファイバ損失の能動型モニタ装置及び方法 Download PDF

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Publication number
JP2005229598A
JP2005229598A JP2005026353A JP2005026353A JP2005229598A JP 2005229598 A JP2005229598 A JP 2005229598A JP 2005026353 A JP2005026353 A JP 2005026353A JP 2005026353 A JP2005026353 A JP 2005026353A JP 2005229598 A JP2005229598 A JP 2005229598A
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Japan
Prior art keywords
fiber
wavelength
path
osc
amplifier
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Pending
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JP2005026353A
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English (en)
Japanese (ja)
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JP2005229598A5 (enExample
Inventor
Alan F Evans
フランク エバンス アラン
Stuart Gray
グレイ スチュアート
Venkatapuram S Sudarshanam
スリラマン スダルシャナン ヴェンカタプラン
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Corning Inc
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Corning Inc
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Application filed by Corning Inc filed Critical Corning Inc
Publication of JP2005229598A publication Critical patent/JP2005229598A/ja
Publication of JP2005229598A5 publication Critical patent/JP2005229598A5/ja
Pending legal-status Critical Current

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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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0771—Fault location on the transmission path
    • 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

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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)
  • Optical Communication System (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP2005026353A 2004-02-11 2005-02-02 ファイバ損失の能動型モニタ装置及び方法 Pending JP2005229598A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/776,832 US20050174563A1 (en) 2004-02-11 2004-02-11 Active fiber loss monitor and method

Publications (2)

Publication Number Publication Date
JP2005229598A true JP2005229598A (ja) 2005-08-25
JP2005229598A5 JP2005229598A5 (enExample) 2009-06-18

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ID=34701367

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JP2005026353A Pending JP2005229598A (ja) 2004-02-11 2005-02-02 ファイバ損失の能動型モニタ装置及び方法

Country Status (4)

Country Link
US (1) US20050174563A1 (enExample)
EP (1) EP1564913A3 (enExample)
JP (1) JP2005229598A (enExample)
CN (1) CN1655481A (enExample)

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JP2014506433A (ja) * 2011-01-09 2014-03-13 アルカテル−ルーセント 空間多重を使用した安全なデータ伝送
KR20190011763A (ko) * 2016-06-02 2019-02-07 후아웨이 테크놀러지 컴퍼니 리미티드 양자 통신 방법 및 관련 장치

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US20080018884A1 (en) * 2006-01-19 2008-01-24 David Butler Intrusion Detection in Optical Fiber Networks
US7715710B2 (en) * 2006-05-30 2010-05-11 Alcatel Lucent Method and system for power management in optical networks
US20080292312A1 (en) * 2007-05-21 2008-11-27 Tellabs Petaluma, Inc. Method and apparatus for determining optical path attenuation between passive optical network nodes
US8693865B2 (en) * 2010-01-11 2014-04-08 Hewlett-Packard Development Company, L.P. Network security using optical attenuation data
US8525981B2 (en) * 2010-03-29 2013-09-03 Verizon Patent And Licensing Inc. Return loss measurement system
LT2577890T (lt) * 2010-05-27 2019-05-27 Exfo Inc. Daugybinio rinkimo otdr būdas ir įtaisas
FR2971108A1 (fr) * 2011-01-31 2012-08-03 France Telecom Systeme de determination d'un temps de propagation d'un signal optique entre deux equipements optiques au moyen d'une liaison optique
US9219543B2 (en) * 2012-07-11 2015-12-22 Commscope Technologies Llc Monitoring optical decay in fiber connectivity systems
US9410866B2 (en) 2012-08-29 2016-08-09 Telefonaktiebolaget L M Ericsson (Publ) Device for monitoring an optical fibre
WO2015006623A1 (en) 2013-07-10 2015-01-15 Neophotonics Corporation Optical network communication system with embedded optical time domain reflectometer and method of operation thereof
WO2015023255A1 (en) 2013-08-12 2015-02-19 Halliburton Energy Services, Inc Systems and methods for spread spectrum distributed acoustic sensor monitoring
CN104565826B (zh) * 2013-10-29 2017-07-14 中国石油天然气股份有限公司 管道光纤安全监测预警方法和系统
WO2016033199A1 (en) 2014-08-28 2016-03-03 Adelos, Inc. Real-time fiber optic interferometry controller
US20160099772A1 (en) * 2014-10-07 2016-04-07 Compass Electro Optical Systems Ltd. Systems and methods for detection of intrusion in optical fiber
US9641243B2 (en) * 2015-02-23 2017-05-02 Exfo Inc. Safe-mode OTDR method
US9847831B2 (en) 2016-04-08 2017-12-19 Ciena Corporation Dual wavelenth optical time domain reflectometer systems and methods embedded in a WDM system
CN107836090B (zh) * 2016-04-14 2019-11-29 华为技术有限公司 一种光纤状态检测方法、光监控单元及站点
CN105911693A (zh) * 2016-06-28 2016-08-31 成都启源电子信息技术有限公司 一种光纤传输损耗补偿方法
US10142028B2 (en) * 2016-06-29 2018-11-27 Dell Products L.P. Signaling method for leveraging power attenuation in a mandrel-wrapped optical fiber
US10892822B2 (en) * 2017-02-01 2021-01-12 British Telecommunications Public Limited Company Optical fiber event location
CN111051843B (zh) 2017-07-20 2022-03-18 英国电讯有限公司 光纤
GB201714844D0 (en) 2017-09-15 2017-11-01 Airbus Defence & Space Ltd Method of data transmission
CN108667513A (zh) * 2018-04-08 2018-10-16 四川微迪智控科技有限公司 一种基于sfp模块的ddm功能的光纤链路管理系统及使用寿命预估方法
US10739229B2 (en) * 2018-07-25 2020-08-11 Stc.Unm Systems and methods for measuring absorption coefficients of doped optical fibers
CN110784258A (zh) * 2019-11-04 2020-02-11 宁波市樱铭电子科技有限公司 一种光通道控制系统
US11251864B1 (en) * 2020-07-01 2022-02-15 Amazon Technologies, Inc. Logical cut of an optical fiber due to fiber events
US11910134B2 (en) * 2020-11-06 2024-02-20 Google Llc Optical link diagnostic system
CN114244430B (zh) * 2021-12-17 2023-06-27 武汉光迅电子技术有限公司 一种检测edfa光信号质量的方法和装置
CN114884570B (zh) * 2022-06-16 2024-01-19 北京泛在云科技有限公司 一种光纤窃听检测方法及装置

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GB2060869A (en) * 1979-10-16 1981-05-07 Standard Telephones Cables Ltd Secure optical data systems
GB2273407A (en) * 1985-01-11 1994-06-15 Alun James Harris Monitoring of optical communications fibres
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014506433A (ja) * 2011-01-09 2014-03-13 アルカテル−ルーセント 空間多重を使用した安全なデータ伝送
JP2014506432A (ja) * 2011-01-09 2014-03-13 アルカテル−ルーセント 空間多重を使用した安全なデータ伝送
US9008507B2 (en) 2011-01-09 2015-04-14 Alcatel Lucent Secure data transmission using spatial multiplexing
KR20190011763A (ko) * 2016-06-02 2019-02-07 후아웨이 테크놀러지 컴퍼니 리미티드 양자 통신 방법 및 관련 장치
JP2019524015A (ja) * 2016-06-02 2019-08-29 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 量子通信方法及び関連装置
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Publication number Publication date
EP1564913A3 (en) 2005-11-16
EP1564913A2 (en) 2005-08-17
US20050174563A1 (en) 2005-08-11
CN1655481A (zh) 2005-08-17

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