AU2001244154A1 - Power stabilisation in an optical communication system - Google Patents

Power stabilisation in an optical communication system

Info

Publication number
AU2001244154A1
AU2001244154A1 AU2001244154A AU4415401A AU2001244154A1 AU 2001244154 A1 AU2001244154 A1 AU 2001244154A1 AU 2001244154 A AU2001244154 A AU 2001244154A AU 4415401 A AU4415401 A AU 4415401A AU 2001244154 A1 AU2001244154 A1 AU 2001244154A1
Authority
AU
Australia
Prior art keywords
communication system
optical communication
power stabilisation
stabilisation
power
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.)
Abandoned
Application number
AU2001244154A
Other languages
English (en)
Inventor
Edgard Goobar
Johan Sandell
Sven Wingstrand
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2001244154A1 publication Critical patent/AU2001244154A1/en
Abandoned 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
    • H04B10/07—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
    • H04B10/0775—Performance monitoring and measurement of transmission parameters
    • 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
    • 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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/2931—Signal power control using AGC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength
AU2001244154A 2000-03-02 2001-02-20 Power stabilisation in an optical communication system Abandoned AU2001244154A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00104308A EP1130802A1 (de) 2000-03-02 2000-03-02 Leisstungsstabilisierungsanordnung für ein Lichtwellenleiter-Übertragungssystem
EP00104308 2000-03-02
PCT/EP2001/001916 WO2001065736A1 (en) 2000-03-02 2001-02-20 Power stabilisation in an optical communication system

Publications (1)

Publication Number Publication Date
AU2001244154A1 true AU2001244154A1 (en) 2001-09-12

Family

ID=8168000

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001244154A Abandoned AU2001244154A1 (en) 2000-03-02 2001-02-20 Power stabilisation in an optical communication system

Country Status (5)

Country Link
US (1) US6714343B2 (de)
EP (1) EP1130802A1 (de)
AU (1) AU2001244154A1 (de)
GB (1) GB2375669B (de)
WO (1) WO2001065736A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1423853A (zh) * 2000-04-13 2003-06-11 西门子公司 用于控制起放大作用的媒介,尤其是光导纤维的方法和装置
US6906854B1 (en) * 2001-03-16 2005-06-14 Tyco Telecommunications (Us) Inc. System and method for controlling noise in raman amplifiers
US6600596B2 (en) * 2001-05-09 2003-07-29 Ciena Corporation Method and system for controlling amplifier power in an optical communications network having add/drop capability
US7286756B1 (en) * 2001-05-15 2007-10-23 Cisco Technology, Inc. DWDM system with IP telephony provisioning at remote locations
GB2389957A (en) * 2002-06-19 2003-12-24 Kamelian Ltd Automatic power control of a semiconductor optical amplifier
IL150347A (en) * 2002-06-20 2008-07-08 Eci Telecom Ltd Method and system for span optical power control
IL152193A (en) * 2002-10-09 2008-03-20 Eci Telecom Ltd Two stage optical amplifier
JP3926257B2 (ja) * 2002-12-04 2007-06-06 富士通株式会社 波長分割多重化伝送装置における利得設定方法
US20040126107A1 (en) * 2002-12-31 2004-07-01 Intelligent Photonics Control Corporation Optical control system
US7019894B1 (en) * 2003-03-11 2006-03-28 Meriton Networks Us Inc. Optical amplifier having automatic gain control using the amplified spontaneous emission as the monitoring parameter
US7587139B1 (en) * 2003-05-12 2009-09-08 Cisco Technology, Inc. Optical channel power control in WDM networks
US7554721B2 (en) 2003-08-01 2009-06-30 Fujitsu Limited Raman amplifier and Raman amplifier adjustment method
DE102004047745A1 (de) 2004-09-30 2006-04-27 Siemens Ag Ermittlung der verstärkten spontanen Emission in einem optischen Faserverstärker
US7405870B2 (en) * 2006-06-26 2008-07-29 Bti Photonic Systems Inc. Method and apparatus for amplified spontaneous emission corrected automatic signal power control of an optical amplifier
US7245423B1 (en) * 2006-07-24 2007-07-17 Itt Manufacturing Enterprises, Inc. Reducing noise in a fiber amplifier using a cleaning optical signal
JP4826451B2 (ja) * 2006-11-29 2011-11-30 株式会社日立製作所 光増幅器を備えた光伝送装置
JP4555352B2 (ja) 2008-02-04 2010-09-29 富士通株式会社 光通信装置および光通信方法
CN101505190B (zh) * 2008-02-04 2012-04-25 华为技术有限公司 一种光功率的调测方法和设备
CN101577530B (zh) * 2009-06-05 2012-09-05 中兴通讯股份有限公司 多通道功率控制电路和方法
WO2019006748A1 (zh) 2017-07-07 2019-01-10 华为技术有限公司 光放大装置、光通信站点和光通信系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471334A (en) * 1992-10-21 1995-11-28 Nippon Telegraph And Telephone Corporation Method and apparatus for monitoring noise figure of optical amplifier
CA2172873C (en) * 1996-03-28 2002-03-12 Kim Byron Roberts Method of determining optical amplifier failures
US6016213A (en) * 1996-07-08 2000-01-18 Ditech Corporation Method and apparatus for optical amplifier gain and noise figure measurement
EP0887954B1 (de) * 1997-06-26 2000-09-13 Hewlett-Packard Company Rauschmassmessung von optischen Verstärkern mittels Leistungssubstitution
JP3532759B2 (ja) * 1998-03-11 2004-05-31 富士通株式会社 Ｗｄｍ通信システムにおける中継装置及び同装置の送信レベル制御方法
US6215584B1 (en) * 1999-05-10 2001-04-10 Jds Uniphase Inc. Input independent tilt free actively gain flattened broadband amplifier
EP1085683A1 (de) 1999-09-15 2001-03-21 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Optisches WDM-Übertragungssystem
JP4689015B2 (ja) * 2000-08-14 2011-05-25 富士通株式会社 光増幅装置および光増幅方法ならびに光通信システム

Also Published As

Publication number Publication date
GB2375669B (en) 2003-11-26
GB0220115D0 (en) 2002-10-09
EP1130802A1 (de) 2001-09-05
WO2001065736A1 (en) 2001-09-07
US20030117696A1 (en) 2003-06-26
GB2375669A (en) 2002-11-20
US6714343B2 (en) 2004-03-30

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