JP2004509507A5 - - Google Patents

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Publication number
JP2004509507A5
JP2004509507A5 JP2002527091A JP2002527091A JP2004509507A5 JP 2004509507 A5 JP2004509507 A5 JP 2004509507A5 JP 2002527091 A JP2002527091 A JP 2002527091A JP 2002527091 A JP2002527091 A JP 2002527091A JP 2004509507 A5 JP2004509507 A5 JP 2004509507A5
Authority
JP
Japan
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.)
Pending
Application number
JP2002527091A
Other versions
JP2004509507A (ja
Filing date
Publication date
Priority claimed from GB0022607A external-priority patent/GB2366925A/en
Application filed filed Critical
Publication of JP2004509507A publication Critical patent/JP2004509507A/ja
Publication of JP2004509507A5 publication Critical patent/JP2004509507A5/ja
Pending legal-status Critical Current

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JP2002527091A 2000-09-13 2001-09-12 光通信システムにおける電力制御方法 Pending JP2004509507A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0022607A GB2366925A (en) 2000-09-13 2000-09-13 Power control and equalisation in an optical WDM system
PCT/GB2001/004087 WO2002023770A1 (en) 2000-09-13 2001-09-12 Method of power control in an optical communication system

Publications (2)

Publication Number Publication Date
JP2004509507A JP2004509507A (ja) 2004-03-25
JP2004509507A5 true JP2004509507A5 (ja) 2008-03-06

Family

ID=9899482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002527091A Pending JP2004509507A (ja) 2000-09-13 2001-09-12 光通信システムにおける電力制御方法

Country Status (10)

Country Link
US (1) US20040052524A1 (ja)
EP (1) EP1410535B1 (ja)
JP (1) JP2004509507A (ja)
CN (1) CN1268078C (ja)
AT (1) ATE361597T1 (ja)
AU (1) AU2001286086A1 (ja)
CA (1) CA2420888A1 (ja)
DE (1) DE60128269T2 (ja)
GB (1) GB2366925A (ja)
WO (1) WO2002023770A1 (ja)

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US7957643B2 (en) * 2002-03-07 2011-06-07 Alcatel-Lucent Usa Inc. Method and apparatus for automatically controlling optical signal power in optical transmission systems
WO2003079584A1 (fr) * 2002-03-19 2003-09-25 Fujitsu Limited Procede et systeme pour la transmission par fibre optique a l'aide de l'amplification raman
JP4152125B2 (ja) 2002-05-30 2008-09-17 富士通株式会社 光信号レベル制御装置
US8909038B2 (en) * 2003-01-07 2014-12-09 Alcatel Lucent Method and apparatus providing transient control in optical add-drop nodes
JP2004297790A (ja) * 2003-03-10 2004-10-21 Nec Corp 光ノード装置、光ネットワークシステムおよびその制御方法
JP4553556B2 (ja) * 2003-03-25 2010-09-29 富士通株式会社 波長多重光信号の品質監視方法および装置、並びに、それを用いた光伝送システム
US7848644B2 (en) * 2004-02-23 2010-12-07 Dynamic Method Enterprises Limited Method and an apparatus to provide optical equipment protection
US20090034965A1 (en) * 2004-02-23 2009-02-05 Look Christopher M Method and an apparatus to automatically verify connectivity within an optical network node
US7809276B2 (en) * 2004-11-30 2010-10-05 Finisar Corporation Inter-transceiver module communication for optimization of link between transceivers
US7606498B1 (en) * 2005-10-21 2009-10-20 Nortel Networks Limited Carrier recovery in a coherent optical receiver
US8761610B2 (en) * 2006-01-10 2014-06-24 Ciena Corporation Methods and systems for the performance analysis of fiber optic networks
US7362923B2 (en) * 2006-08-07 2008-04-22 Northrop Grumman Corporation Systems and methods for measuring signal phase shift caused by optical fibers
US8244136B2 (en) * 2008-03-31 2012-08-14 Universal Electronics Inc. System and method for reduction of infrared noise during communication between consumer appliances
US9614624B2 (en) * 2010-05-11 2017-04-04 Deep Science, Llc Optical power source modulation system
US20110278479A1 (en) 2010-05-11 2011-11-17 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Optical power transmission system and method having counter-propagating control signal
US8472764B2 (en) 2010-05-11 2013-06-25 The Invention Science Fund I, Llc Optical power transmission system and method having multiple optical power forms
US8971722B2 (en) * 2010-05-11 2015-03-03 The Invention Science Fund I, Llc Optical power distribution device and method
US9197329B2 (en) 2010-05-11 2015-11-24 The Invention Science Fund I, Llc Optical power transmission packeting systems and methods
US8600241B2 (en) 2010-05-11 2013-12-03 The Invention Science Fund I, Llc Optical power transmission system and method having co-propagating control signal
JP5564692B2 (ja) * 2011-02-25 2014-07-30 株式会社日立製作所 光伝送システム、及び、光ノード
WO2013121826A1 (ja) * 2012-02-17 2013-08-22 三菱電機株式会社 光通信装置
US9197324B1 (en) * 2012-04-09 2015-11-24 Inphi Corporation Method and system for transmitter optimization of an optical PAM serdes based on receiver feedback
EP3079275B1 (en) * 2013-12-31 2018-02-28 Huawei Technologies Co., Ltd. Broken fiber detection method, device and system for distributed raman optical amplifier
JP2016096511A (ja) * 2014-11-17 2016-05-26 富士通株式会社 光送受信器、これを用いた光伝送システム、及び光源出力監視方法
CN106550290B (zh) * 2015-09-21 2020-10-02 南京中兴软件有限责任公司 无源光网络功率均衡的方法、装置、终端、单元及系统
JP7230401B2 (ja) * 2018-09-27 2023-03-01 富士通株式会社 伝送システム、伝送装置、及び伝送方法

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Publication number Priority date Publication date Assignee Title
JPS6112138A (ja) * 1984-06-27 1986-01-20 Nec Corp 光フアイバデ−タリンク
DE3806864A1 (de) * 1988-03-03 1989-09-14 Philips Patentverwaltung Optisches uebertragungssystem
GB2219165B (en) * 1988-05-27 1992-10-21 Stc Plc Optical transmission systems
US5225922A (en) * 1991-11-21 1993-07-06 At&T Bell Laboratories Optical transmission system equalizer
JPH05199184A (ja) * 1992-01-20 1993-08-06 Fujitsu Ltd 光増幅中継器
JP3373332B2 (ja) * 1995-05-26 2003-02-04 Ｋｄｄｉ株式会社 プリエンファシス方式光波長多重通信方法および装置
JP3132638B2 (ja) * 1995-08-08 2001-02-05 日本電気株式会社 光波長多重伝送方式
JP2748908B2 (ja) * 1995-10-19 1998-05-13 日本電気株式会社 光伝送路特性測定方法とその装置および光波長多重伝送方法とその装置
US6025947A (en) * 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
JPH09321701A (ja) * 1996-05-31 1997-12-12 Fujitsu Ltd 光通信システム及び光増幅器
JPH09326770A (ja) * 1996-06-06 1997-12-16 Nec Corp 波長分割多重伝送システムに用いられる線形中継器
JPH10303821A (ja) * 1997-04-25 1998-11-13 Nec Corp 光信号増幅伝送方式
US6359708B1 (en) * 1997-09-18 2002-03-19 Lucent Technologies Inc. Optical transmission line automatic power reduction system
US5923450A (en) * 1998-09-30 1999-07-13 Alcatel Network Systems, Inc. Optical channel regulator and method
US6115157A (en) * 1997-12-24 2000-09-05 Nortel Networks Corporation Methods for equalizing WDM systems
JP2000031900A (ja) * 1998-07-08 2000-01-28 Fujitsu Ltd 光ファイバ通信のための方法並びに該方法の実施に使用する端局装置及びシステム
US6323994B1 (en) * 1999-04-12 2001-11-27 Nortel Networks Limited WDM system equalization with EDFA optical amplifiers
JP4495321B2 (ja) * 2000-08-29 2010-07-07 富士通株式会社 光レベル制御方法

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