DE69736942D1 - Stabilisierte Leistungsregelung für optische Übertragungssysteme - Google Patents

Stabilisierte Leistungsregelung für optische Übertragungssysteme

Info

Publication number
DE69736942D1
DE69736942D1 DE69736942T DE69736942T DE69736942D1 DE 69736942 D1 DE69736942 D1 DE 69736942D1 DE 69736942 T DE69736942 T DE 69736942T DE 69736942 T DE69736942 T DE 69736942T DE 69736942 D1 DE69736942 D1 DE 69736942D1
Authority
DE
Germany
Prior art keywords
power control
optical transmission
transmission systems
stabilized power
stabilized
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
DE69736942T
Other languages
English (en)
Other versions
DE69736942T2 (de
Inventor
Kim Byron Roberts
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.)
Nortel Networks Ltd
Original Assignee
Nortel Networks Ltd
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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of DE69736942D1 publication Critical patent/DE69736942D1/de
Application granted granted Critical
Publication of DE69736942T2 publication Critical patent/DE69736942T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/503Laser transmitters
    • H04B10/505Laser transmitters using external modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/503Laser transmitters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/506Multiwavelength transmitters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/564Power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0221Power control, e.g. to keep the total optical power constant
DE69736942T 1996-10-23 1997-10-03 Stabilisierte Leistungsregelung für optische Übertragungssysteme Expired - Lifetime DE69736942T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/735,759 US6031647A (en) 1996-10-23 1996-10-23 Stable power control for optical transmission systems
US735759 1996-10-23

Publications (2)

Publication Number Publication Date
DE69736942D1 true DE69736942D1 (de) 2006-12-28
DE69736942T2 DE69736942T2 (de) 2007-03-01

Family

ID=24957070

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69736942T Expired - Lifetime DE69736942T2 (de) 1996-10-23 1997-10-03 Stabilisierte Leistungsregelung für optische Übertragungssysteme

Country Status (4)

Country Link
US (2) US6031647A (de)
EP (1) EP0838913B1 (de)
JP (1) JP4191274B2 (de)
DE (1) DE69736942T2 (de)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6031647A (en) * 1996-10-23 2000-02-29 Nortel Networks Corporation Stable power control for optical transmission systems
DE19734957C1 (de) * 1997-08-13 1998-12-24 Lucent Tech Network Sys Gmbh Verfahren und Anordnung zur Wellenlängenstabilisierung für mehrkanalige optische Übertragungssysteme
US6301031B2 (en) * 1997-09-02 2001-10-09 Agere Systems Optoelectronics Guardian Corp. Method and apparatus for wavelength-channel tracking and alignment within an optical communications system
US5923450A (en) * 1998-09-30 1999-07-13 Alcatel Network Systems, Inc. Optical channel regulator and method
JPH11202374A (ja) 1998-01-14 1999-07-30 Fujitsu Ltd 波長多重システムにおける光通信端局、光信号伝送方法、及び光信号の増設方法
JP3829962B2 (ja) * 1998-01-22 2006-10-04 富士通株式会社 光アッテネータ並びに該光アッテネータを備えたシステム、光増幅器及び端局装置
JPH11252047A (ja) * 1998-03-04 1999-09-17 Fujitsu Ltd 光波長多重システム、及びその端局
JP3565313B2 (ja) * 1998-05-25 2004-09-15 富士通株式会社 光送信機並びに該光送信機を有する端局装置及び光通信システム
US6545799B1 (en) 1998-09-02 2003-04-08 Corning Incorporated Method and apparatus for optical system link control
DE19843206A1 (de) * 1998-09-16 2000-04-20 Siemens Ag Optische Sendeeinrichtung
JP2000241778A (ja) * 1999-02-19 2000-09-08 Fujitsu Ltd 光通信装置および光分岐・挿入装置
US6275329B1 (en) * 1999-05-10 2001-08-14 Oni Systems Corp. Method and apparatus for amplification of an optical signal
US6563614B1 (en) 1999-05-21 2003-05-13 Corvis Corporation Optical transmission system and amplifier control apparatuses and methods
GB2353396B (en) * 1999-08-13 2002-10-09 Marconi Comm Ltd Methods of controlling a laser in a WDM application
WO2001015291A1 (fr) * 1999-08-23 2001-03-01 Fujitsu Limited Multiplexeur de longueur d'onde
AU2001245441A1 (en) * 2000-03-06 2001-09-17 Lightchip, Inc. Optical power managed network node for processing dense wavelength division multiplexed optical signals
US6449068B1 (en) * 2000-03-06 2002-09-10 Lightchip, Inc. Optical power managed network node for processing dense wavelength division multiplexed optical signals
JP3363133B2 (ja) * 2000-07-21 2003-01-08 住友電気工業株式会社 波長多重分割伝送方法およびそのシステム
US6643466B1 (en) * 2000-09-29 2003-11-04 Lucent Technologies Inc. Method and apparatus for controlling signal power level in free space communication
GB0105629D0 (en) * 2001-03-07 2001-04-25 Marconi Comm Ltd A transmitter system
US7242863B2 (en) * 2001-05-09 2007-07-10 Ciena Corporation Method and system for coordinating and utilizing channel power information in an optical communications network
US6907195B2 (en) 2001-08-28 2005-06-14 Dorsal Networks, Inc. Terminals having sub-band substitute signal control in optical communication systems
US6944399B2 (en) 2001-08-28 2005-09-13 Dorsal Networks, Inc. Methods of signal substitution for maintenance of amplifier saturation
JP4569064B2 (ja) * 2001-09-27 2010-10-27 住友電気工業株式会社 光送信機及び波長分割多重伝送システム
US6744964B1 (en) * 2001-12-20 2004-06-01 Ciena Corporation System and method for controlling variable optical attenuators
US20030133713A1 (en) * 2002-01-17 2003-07-17 Ng Eddie Kai Ho Method and system for multi-level power management in an optical network
US7058301B2 (en) 2002-02-28 2006-06-06 Bosloy Jonathan L Apparatus and method for planned wavelength addition and removal in a wavelength division multiplexed system
US7212742B2 (en) * 2002-04-12 2007-05-01 Fujitsu Limited Power level management in optical networks
US7209656B2 (en) * 2002-04-12 2007-04-24 Fujitsu Limited Management of optical links using power level information
US7209655B2 (en) * 2002-04-12 2007-04-24 Fujitsu Limited Sharing of power level information to support optical communications
US6668137B1 (en) * 2002-06-26 2003-12-23 Nortel Networks Limited Feed forward optical power control
DE10303314A1 (de) * 2003-01-28 2004-07-29 Marconi Communications Gmbh Ausgangsstufe für die WDM-Nachrichtenübertragung und Verfahren zum Austauschen von Fülllichtquellen in einer solchen Ausgangsstufe
JP2004361818A (ja) * 2003-06-06 2004-12-24 Fujitsu Ltd 信号光送出部
JP4642421B2 (ja) * 2004-09-27 2011-03-02 富士通株式会社 パッケージ始動制御装置
US7643759B2 (en) * 2005-01-12 2010-01-05 Sumitomo Electric Industries, Ltd. Signal-quality evaluation device, signal adjustment method, optical-signal evaluation system, and optical transmission system
WO2009060522A1 (ja) * 2007-11-07 2009-05-14 Fujitsu Limited 光送受信モジュールおよびその管理制御方法,光送受信装置ならびに波長多重光送受信装置
JP5098807B2 (ja) * 2008-05-22 2012-12-12 富士通株式会社 光信号調整方法及び光信号調整装置
JP2010011098A (ja) * 2008-06-27 2010-01-14 Fujitsu Ltd 光伝送装置
JP5198996B2 (ja) * 2008-09-19 2013-05-15 住友大阪セメント株式会社 光変調器
JP5476697B2 (ja) * 2008-09-26 2014-04-23 富士通株式会社 光信号送信装置
JP2011188213A (ja) * 2010-03-08 2011-09-22 Fujitsu Ltd 光信号送信装置、光増幅装置、光減衰装置及び光信号送信方法
JP5504982B2 (ja) * 2010-03-10 2014-05-28 富士通株式会社 偏波多重光送信器、および、偏波多重光信号の制御方法
JP2012004691A (ja) * 2010-06-14 2012-01-05 Nippon Telegr & Teleph Corp <Ntt> 偏波多重光伝送システム
JP2012169757A (ja) * 2011-02-10 2012-09-06 Nec Corp 光伝送装置
EP2620446A1 (de) 2012-01-27 2013-07-31 Laboratorios Del Dr. Esteve, S.A. Immunogene zur HIV-Impfung
CN105814817B (zh) * 2013-09-24 2019-11-05 日本电气株式会社 传送装置、传送系统、传送方法和其上存储有程序的存储介质
JP2015164264A (ja) * 2014-02-28 2015-09-10 富士通株式会社 波長多重装置、光伝送装置及び波長多重方法
JP6648437B2 (ja) * 2015-07-29 2020-02-14 富士通株式会社 送受信システム、送信装置、受信装置及び送受信システムの制御方法
US10142022B1 (en) 2017-05-24 2018-11-27 Ciena Corporation Adjustment of control parameters of section of optical fiber network
US10439751B2 (en) 2017-05-24 2019-10-08 Ciena Corporation Power control in an optical fiber network
US11374675B2 (en) * 2017-06-28 2022-06-28 Huawei Technologies Co., Ltd. Method and apparatus for modifying channels in an optical medium
JP7024234B2 (ja) * 2017-07-18 2022-02-24 富士通株式会社 光送信機、及び光送信機の制御方法
US10868614B2 (en) 2018-09-04 2020-12-15 Ciena Corporation Optical power replacement for faulted spectrum in channel holder based optical links
US10547404B1 (en) 2018-11-13 2020-01-28 Ciena Corporation Automatic optical link calibration with channel holders
WO2020147938A1 (en) * 2019-01-15 2020-07-23 Telefonaktiebolaget Lm Ericsson (Publ) Dispersion compensation
US10439709B1 (en) 2019-02-26 2019-10-08 Ciena Corporation Handling channel holder failures in channel holder equipped optical links
US10680737B1 (en) 2019-04-09 2020-06-09 Ciena Corporation Bundling capacity changes in channel holder based optical links
US10833791B1 (en) 2019-06-17 2020-11-10 Ciena Corporation Reducing interference from channel holders in an optical link
WO2021094984A1 (en) 2019-11-14 2021-05-20 Aelix Therapeutics, S.L. Dosage regimens for vaccines
US11536916B1 (en) * 2021-05-10 2022-12-27 Amazon Technologies, Inc. Pathloss optimization for optical systems

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945055C2 (de) * 1979-11-08 1982-09-02 Philips Kommunikations Industrie Ag, 8500 Nuernberg Verfahren und Vorrichtung zum Konstanthalten der in einer Lichtleitfaser geführten Lichtleistung
JP2787820B2 (ja) * 1990-07-20 1998-08-20 キヤノン株式会社 波長多重光通信システム及びそこで用いられる光増幅装置
US5088095A (en) * 1991-01-31 1992-02-11 At&T Bell Laboratories Gain stabilized fiber amplifier
US5225922A (en) * 1991-11-21 1993-07-06 At&T Bell Laboratories Optical transmission system equalizer
US5276543A (en) * 1991-11-22 1994-01-04 Gte Laboratories Incorporated Optical signal equalizer for wavelength division multiplexed optical fiber systems
US5500756A (en) * 1992-02-28 1996-03-19 Hitachi, Ltd. Optical fiber transmission system and supervision method of the same
DE4215338A1 (de) * 1992-05-09 1993-11-11 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit Überwachungsvorrichtung zur Vermeidung von Riesenimpulsen
JPH06132895A (ja) * 1992-10-20 1994-05-13 Hitachi Ltd 光パワー変化補償回路及び光伝送装置
FR2707442B1 (fr) * 1993-07-06 1995-09-15 Pirio Francis Système de transmission sur fibre optique à compensation des distorsions en ligne.
WO1995008879A1 (en) * 1993-09-22 1995-03-30 Massachussetts Institute Of Technology Error-rate based laser drive control
FR2715017B1 (fr) * 1994-01-13 1996-02-16 Alcatel Nv Procédé de transmission et liaison optique à multiplexage spectral avec amplification.
JP3379052B2 (ja) * 1994-09-26 2003-02-17 富士通株式会社 波長多重光増幅装置及び光波長多重伝送システム及び光波長多重伝送方法
JP3432620B2 (ja) * 1994-12-20 2003-08-04 富士通株式会社 光送信機及びレーザダイオードモジュール
JPH08264871A (ja) * 1995-03-20 1996-10-11 Fujitsu Ltd 多波長一括光増幅装置
JPH08265259A (ja) * 1995-03-20 1996-10-11 Fujitsu Ltd 光増幅中継器
JPH08278523A (ja) * 1995-04-05 1996-10-22 Hitachi Ltd 光増幅装置
JP2687933B2 (ja) * 1995-06-09 1997-12-08 日本電気株式会社 光直接増幅器
JPH0918415A (ja) * 1995-06-28 1997-01-17 Fujitsu Ltd 光サージ抑圧光増幅装置
US5739938A (en) * 1996-09-10 1998-04-14 Northrop Grumman Corporation Optically-powered directly-modulated fiber optic link
US5745275A (en) * 1996-10-15 1998-04-28 Lucent Technologies Inc. Multi-channel stabilization of a multi-channel transmitter through correlation feedback
US6031647A (en) * 1996-10-23 2000-02-29 Nortel Networks Corporation Stable power control for optical transmission systems
US6040933A (en) * 1997-12-19 2000-03-21 Nortel Networks Corporation Method and apparatus for channel equalization in wavelength division multiplexed systems

Also Published As

Publication number Publication date
US6268945B1 (en) 2001-07-31
EP0838913B1 (de) 2006-11-15
JP4191274B2 (ja) 2008-12-03
EP0838913A3 (de) 2000-10-11
EP0838913A2 (de) 1998-04-29
US6031647A (en) 2000-02-29
DE69736942T2 (de) 2007-03-01
JPH10215019A (ja) 1998-08-11

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