DE69940883D1 - Wdm übertragungszwischenverstärker, wdm übertragungssystem und wdm übertragungsverfahren - Google Patents
Wdm übertragungszwischenverstärker, wdm übertragungssystem und wdm übertragungsverfahrenInfo
- Publication number
- DE69940883D1 DE69940883D1 DE69940883T DE69940883T DE69940883D1 DE 69940883 D1 DE69940883 D1 DE 69940883D1 DE 69940883 T DE69940883 T DE 69940883T DE 69940883 T DE69940883 T DE 69940883T DE 69940883 D1 DE69940883 D1 DE 69940883D1
- Authority
- DE
- Germany
- Prior art keywords
- wdm transmission
- amplifier
- procedure
- wdm
- transmission system
- 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
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
- H04B10/29—Repeaters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0206—Express channels arrangements
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2581—Multimode transmission
-
- 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
- H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0213—Groups of channels or wave bands arrangements
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7570498 | 1998-03-24 | ||
PCT/JP1999/001487 WO1999049601A1 (fr) | 1998-03-24 | 1999-03-24 | Repeteur de transmission a multiplexage par repartition en longueur d'onde, systeme et procede de transmission a multiplexage par repartition en longueur d'onde |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69940883D1 true DE69940883D1 (de) | 2009-06-25 |
Family
ID=13583884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69940883T Expired - Lifetime DE69940883D1 (de) | 1998-03-24 | 1999-03-24 | Wdm übertragungszwischenverstärker, wdm übertragungssystem und wdm übertragungsverfahren |
Country Status (8)
Country | Link |
---|---|
US (1) | US6512613B1 (de) |
EP (1) | EP1081880B1 (de) |
KR (1) | KR20010034668A (de) |
CN (1) | CN1276600C (de) |
AU (1) | AU757003B2 (de) |
CA (1) | CA2325580C (de) |
DE (1) | DE69940883D1 (de) |
WO (1) | WO1999049601A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2790160B1 (fr) * | 1999-02-19 | 2001-05-04 | Cit Alcatel | Systeme de transmission regenere wdm |
US6885824B1 (en) | 2000-03-03 | 2005-04-26 | Optical Coating Laboratory, Inc. | Expandable optical array |
US6353497B1 (en) | 2000-03-03 | 2002-03-05 | Optical Coating Laboratory, Inc. | Integrated modular optical amplifier |
KR20020019689A (ko) * | 2000-09-06 | 2002-03-13 | 윤종용 | 양방향 애드/드롭 다중화기 |
EP1241913A1 (de) * | 2001-03-16 | 2002-09-18 | Alcatel | Optischer Paketknoten und Einfüge/Ausfüge Multiplexer von Optische Paketen |
JP3798642B2 (ja) * | 2001-03-26 | 2006-07-19 | 富士通株式会社 | Wdmネットワークの管理装置 |
US20030002104A1 (en) * | 2001-06-29 | 2003-01-02 | Caroli Carl A. | Wavelength-selective add/drop arrangement for optical communication systems |
US6999681B2 (en) | 2002-01-23 | 2006-02-14 | Pts Corporation | Method of seamless migration from static to agile optical networking |
GB0203037D0 (en) * | 2002-02-08 | 2002-03-27 | Marconi Comm Ltd | Telecommunications networks |
US7269356B2 (en) * | 2003-07-09 | 2007-09-11 | Lucent Technologies Inc. | Optical device with tunable coherent receiver |
US20070058986A1 (en) * | 2005-09-09 | 2007-03-15 | David Butler | Optical network regenerator bypass module and associated method |
EP3614581A4 (de) * | 2017-04-18 | 2020-05-06 | Nec Corporation | Bidirektionales optisches übertragungssystem und bidirektionales optisches übertragungsverfahren |
US20220286221A1 (en) * | 2019-09-06 | 2022-09-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Optical Node and Optical Transceiver for Auto Tuning of Operational Wavelength |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2630695B2 (ja) | 1991-10-07 | 1997-07-16 | 日本電信電話株式会社 | 光通信方式 |
JP2594193B2 (ja) | 1991-10-07 | 1997-03-26 | 日本電信電話株式会社 | 光周波数分岐挿入回路 |
JP2571002B2 (ja) * | 1993-11-25 | 1997-01-16 | 日本電気株式会社 | 海中分岐装置 |
GB9516017D0 (en) * | 1995-08-04 | 1995-10-04 | Stc Submarine Systems Ltd | Optical level control in wavelength add-drop multiplexing branching units |
GB2311429B (en) * | 1995-08-24 | 1998-02-25 | Mitsubishi Electric Corp | Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system |
JP3516425B2 (ja) | 1996-01-19 | 2004-04-05 | 日本電信電話株式会社 | 光信号処理回路およびそれを用いたネットワーク |
JPH1013356A (ja) | 1996-06-21 | 1998-01-16 | Toshiba Corp | 波長多重光伝送システム |
JPH1013382A (ja) | 1996-06-21 | 1998-01-16 | Toshiba Corp | 光分岐挿入多重ノード装置 |
JPH1013357A (ja) * | 1996-06-24 | 1998-01-16 | Nec Corp | 光増幅器 |
JPH1032562A (ja) * | 1996-07-16 | 1998-02-03 | Fujitsu Ltd | 光アッド/ドロップ回路 |
JP3006519B2 (ja) * | 1996-11-22 | 2000-02-07 | 日本電気株式会社 | 光通信システム |
JP3022359B2 (ja) * | 1996-11-29 | 2000-03-21 | 日本電気株式会社 | 光分波合波装置 |
US6069719A (en) * | 1997-07-30 | 2000-05-30 | Ciena Corporation | Dynamically reconfigurable optical add-drop multiplexers for WDM optical communication systems |
-
1999
- 1999-03-24 KR KR1020007010620A patent/KR20010034668A/ko not_active Application Discontinuation
- 1999-03-24 WO PCT/JP1999/001487 patent/WO1999049601A1/ja not_active Application Discontinuation
- 1999-03-24 AU AU29575/99A patent/AU757003B2/en not_active Ceased
- 1999-03-24 CA CA002325580A patent/CA2325580C/en not_active Expired - Fee Related
- 1999-03-24 EP EP99910682A patent/EP1081880B1/de not_active Expired - Lifetime
- 1999-03-24 US US09/380,503 patent/US6512613B1/en not_active Expired - Fee Related
- 1999-03-24 CN CNB998043257A patent/CN1276600C/zh not_active Expired - Fee Related
- 1999-03-24 DE DE69940883T patent/DE69940883D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1081880A4 (de) | 2006-06-28 |
CA2325580A1 (en) | 1999-09-30 |
AU2957599A (en) | 1999-10-18 |
CA2325580C (en) | 2008-12-02 |
CN1276600C (zh) | 2006-09-20 |
EP1081880B1 (de) | 2009-05-13 |
KR20010034668A (ko) | 2001-04-25 |
EP1081880A1 (de) | 2001-03-07 |
CN1294796A (zh) | 2001-05-09 |
US6512613B1 (en) | 2003-01-28 |
WO1999049601A1 (fr) | 1999-09-30 |
AU757003B2 (en) | 2003-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |