FR2854010B1 - Procede de restauration automatique de puissance et systeme de communication optique - Google Patents
Procede de restauration automatique de puissance et systeme de communication optiqueInfo
- Publication number
- FR2854010B1 FR2854010B1 FR0402357A FR0402357A FR2854010B1 FR 2854010 B1 FR2854010 B1 FR 2854010B1 FR 0402357 A FR0402357 A FR 0402357A FR 0402357 A FR0402357 A FR 0402357A FR 2854010 B1 FR2854010 B1 FR 2854010B1
- Authority
- FR
- France
- Prior art keywords
- optical
- communication system
- automatic power
- transmission path
- optical communication
- 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
Links
- 230000003287 optical effect Effects 0.000 title abstract 11
- 238000000034 method Methods 0.000 title abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 4
- 230000003321 amplification Effects 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 2
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
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
- H04B10/03—Arrangements for fault recovery
-
- 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
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal
-
- 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
- H04B2210/075—Monitoring an optical transmission system using a supervisory signal using a pilot tone
-
- 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
- H04B2210/077—Monitoring an optical transmission system using a supervisory signal using a separate fibre
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/08—Shut-down or eye-safety
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003060361A JP3898137B2 (ja) | 2003-03-06 | 2003-03-06 | 自動出力復帰方法および光通信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2854010A1 FR2854010A1 (fr) | 2004-10-22 |
FR2854010B1 true FR2854010B1 (fr) | 2006-04-28 |
Family
ID=32089639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0402357A Expired - Lifetime FR2854010B1 (fr) | 2003-03-06 | 2004-03-05 | Procede de restauration automatique de puissance et systeme de communication optique |
Country Status (4)
Country | Link |
---|---|
US (3) | US7437069B2 (fr) |
JP (1) | JP3898137B2 (fr) |
FR (1) | FR2854010B1 (fr) |
GB (3) | GB2421864B (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3790455B2 (ja) * | 2001-10-12 | 2006-06-28 | 富士通株式会社 | 光中継器の監視制御方法および監視制御システム |
JP3898137B2 (ja) | 2003-03-06 | 2007-03-28 | 富士通株式会社 | 自動出力復帰方法および光通信システム |
JP4492227B2 (ja) * | 2004-06-23 | 2010-06-30 | 日本電気株式会社 | 光伝送システム、該システムに用いられる励起光源停止装置及び励起光源停止方法 |
US20060140626A1 (en) * | 2004-12-24 | 2006-06-29 | Optovia Corporation | Optical Supervisory Channel for High Span Loss Optical Communication Systems |
CN1874193B (zh) * | 2005-06-03 | 2012-05-23 | 华为技术有限公司 | 实现激光安全保护的方法及光放大器、标识信号加载方法 |
CN1852052B (zh) * | 2005-12-09 | 2010-04-14 | 华为技术有限公司 | 光纤线路故障下游告警的抑制方法、装置及系统 |
JP4157578B2 (ja) * | 2006-11-30 | 2008-10-01 | 松下電器産業株式会社 | 拡張用子機システム |
WO2008105202A1 (fr) * | 2007-02-26 | 2008-09-04 | Canare Electric Co., Ltd. | Dispositif de transmission par fibres optiques et réseau de communication par fibres optiques |
US7924316B2 (en) * | 2007-03-14 | 2011-04-12 | Aptina Imaging Corporation | Image feature identification and motion compensation apparatus, systems, and methods |
JP5029409B2 (ja) * | 2008-02-14 | 2012-09-19 | 富士通株式会社 | ラマン増幅を用いた光伝送システムおよびその制御方法 |
JP5315839B2 (ja) * | 2008-08-01 | 2013-10-16 | 日本電気株式会社 | 光通信装置及び光出力制御方法及び光通信システム及びプログラム |
US9264134B2 (en) * | 2008-09-29 | 2016-02-16 | Infinera Corporation | Automatic laser shutdown and recovery in response to a link break |
JP5994508B2 (ja) * | 2012-09-18 | 2016-09-21 | 富士通株式会社 | 送信装置、通信システム、及び送信レベルの制御方法 |
US20160254862A1 (en) * | 2013-12-10 | 2016-09-01 | Mitsubish Electric Corporation | Wavelength multiplexing transmission system |
US10205553B2 (en) * | 2015-07-27 | 2019-02-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Apparatus for protecting an optical link |
EP3300265B1 (fr) * | 2016-09-22 | 2018-12-26 | Xieon Networks S.à r.l. | Agencement de pompage raman à sensibilité osc améliorée |
US10200121B2 (en) | 2017-06-14 | 2019-02-05 | At&T Intellectual Property I, L.P. | Reachability determination in wavelength division multiplexing network based upon fiber loss measurements |
JP2019009723A (ja) * | 2017-06-28 | 2019-01-17 | 日本電信電話株式会社 | 加入者線端局装置 |
US10707638B2 (en) * | 2017-11-13 | 2020-07-07 | Neptune Subsea Ip Limited | Integrated signal loss detection in Raman amplified fiber spans or other fiber spans |
US11824581B2 (en) * | 2021-08-11 | 2023-11-21 | Ciena Corporation | Turn-up procedure for local and remote amplifiers in an optical system |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4994675A (en) | 1989-04-28 | 1991-02-19 | Rebo Research, Inc. | Method and apparatus for checking continuity of optic transmission |
US5335104A (en) * | 1992-10-22 | 1994-08-02 | Laser Precision Corp. | Method of detecting breaks in multi-drop feeder systems |
JPH06244805A (ja) | 1993-02-17 | 1994-09-02 | Sony Corp | 光信号伝送装置 |
JP2807804B2 (ja) * | 1993-07-06 | 1998-10-08 | エスエムケイ株式会社 | 双方向光通信方法及び装置 |
JPH0730495A (ja) * | 1993-07-09 | 1995-01-31 | Sony Corp | 双方向光通信装置 |
US5532864A (en) | 1995-06-01 | 1996-07-02 | Ciena Corporation | Optical monitoring channel for wavelength division multiplexed optical communication system |
DE69842001D1 (de) * | 1997-04-04 | 2010-12-30 | Univ Southern California | Galvanisches verfahren zur herstellung einer mehrlagenstruktur |
JPH10322279A (ja) * | 1997-05-20 | 1998-12-04 | Canon Inc | 双方向光空間伝送装置 |
US6359708B1 (en) * | 1997-09-18 | 2002-03-19 | Lucent Technologies Inc. | Optical transmission line automatic power reduction system |
DE19809667A1 (de) * | 1998-03-06 | 1999-09-09 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung der Abschaltung und Wiedereinschaltung eines an ein optisches Leitungsstück angeschlossenen optischen Senders |
WO2000001081A1 (fr) * | 1998-06-26 | 2000-01-06 | Sumitomo Electric Industries, Ltd. | Systeme de relais d'amplification optique |
JP2000101513A (ja) * | 1998-09-18 | 2000-04-07 | Nec Corp | 遠隔励起中継器及び遠隔励起中継方法 |
US6504630B1 (en) * | 1998-12-04 | 2003-01-07 | Lucent Technologies Inc. | Automatic power shut-down arrangement for optical line systems |
GB2348063B (en) * | 1999-03-19 | 2001-03-07 | Marconi Comm Ltd | Optical communication system |
JP2000332695A (ja) * | 1999-05-24 | 2000-11-30 | Nec Corp | 光増幅中継器 |
EP1227606B1 (fr) * | 1999-10-29 | 2009-08-19 | Fujitsu Limited | Dispositif d'emission optique et dispositif de repetition optique |
JP2001223646A (ja) * | 2000-02-07 | 2001-08-17 | Nec Corp | 光増幅中継器とこれを用いた光伝送装置 |
JP2001249369A (ja) * | 2000-03-02 | 2001-09-14 | Nec Corp | 光増幅器とこれを用いた光増幅中継器及び波長多重光伝送装置 |
JP4057214B2 (ja) * | 2000-03-06 | 2008-03-05 | 富士通株式会社 | 分布型光増幅装置および該方法ならびに光通信システム |
WO2001080466A1 (fr) * | 2000-04-14 | 2001-10-25 | Fujitsu Limited | Emetteur de multiplexage en longueur d'onde et procédé de commande de sortie optique pour l'émetteur de multiplexage en longueur d'onde optique |
JP4671478B2 (ja) * | 2000-08-08 | 2011-04-20 | 富士通株式会社 | 波長多重光通信システムおよび波長多重光通信方法 |
JP2002182253A (ja) * | 2000-12-12 | 2002-06-26 | Sumitomo Electric Ind Ltd | 光源安全装置、ラマン増幅器および光伝送システム |
WO2002058287A1 (fr) * | 2001-01-19 | 2002-07-25 | Photonixnet Kabushiki Kaisha | Emetteur/recepteur optique |
JP3768110B2 (ja) * | 2001-02-22 | 2006-04-19 | 富士通株式会社 | 光増幅器 |
JP4647807B2 (ja) * | 2001-03-06 | 2011-03-09 | 富士通株式会社 | 通信システム |
JP4647147B2 (ja) * | 2001-07-16 | 2011-03-09 | 富士通株式会社 | ラマン増幅を用いた光伝送方法および光伝送システム |
JP4632585B2 (ja) * | 2001-07-16 | 2011-02-16 | 富士通株式会社 | 光伝送システム |
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 |
JP3898137B2 (ja) | 2003-03-06 | 2007-03-28 | 富士通株式会社 | 自動出力復帰方法および光通信システム |
-
2003
- 2003-03-06 JP JP2003060361A patent/JP3898137B2/ja not_active Expired - Lifetime
-
2004
- 2004-03-05 FR FR0402357A patent/FR2854010B1/fr not_active Expired - Lifetime
- 2004-03-05 GB GB0600239A patent/GB2421864B/en not_active Expired - Fee Related
- 2004-03-05 GB GB0405068A patent/GB2400511B/en not_active Expired - Fee Related
- 2004-03-05 US US10/793,665 patent/US7437069B2/en active Active
- 2004-03-05 GB GB0600338A patent/GB2421865B/en not_active Expired - Fee Related
-
2008
- 2008-04-21 US US12/081,780 patent/US7664392B2/en not_active Expired - Lifetime
- 2008-04-21 US US12/081,781 patent/US7792430B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2854010A1 (fr) | 2004-10-22 |
JP3898137B2 (ja) | 2007-03-28 |
JP2004274265A (ja) | 2004-09-30 |
GB2421865B (en) | 2006-09-06 |
US7437069B2 (en) | 2008-10-14 |
GB2421865A (en) | 2006-07-05 |
GB2421864B (en) | 2006-11-22 |
US20040213567A1 (en) | 2004-10-28 |
GB0405068D0 (en) | 2004-04-07 |
GB0600338D0 (en) | 2006-02-15 |
US7792430B2 (en) | 2010-09-07 |
GB2400511A (en) | 2004-10-13 |
US7664392B2 (en) | 2010-02-16 |
US20090175616A1 (en) | 2009-07-09 |
GB0600239D0 (en) | 2006-02-15 |
US20080317461A1 (en) | 2008-12-25 |
GB2400511B (en) | 2006-05-31 |
GB2421864A (en) | 2006-07-05 |
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Legal Events
Date | Code | Title | Description |
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PLFP | Fee payment |
Year of fee payment: 13 |
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Year of fee payment: 14 |
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Year of fee payment: 15 |
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