DE69941865D1 - Multiplexing-Vorrichtung zur Wellenlängentrennung - Google Patents

Multiplexing-Vorrichtung zur Wellenlängentrennung

Info

Publication number
DE69941865D1
DE69941865D1 DE69941865T DE69941865T DE69941865D1 DE 69941865 D1 DE69941865 D1 DE 69941865D1 DE 69941865 T DE69941865 T DE 69941865T DE 69941865 T DE69941865 T DE 69941865T DE 69941865 D1 DE69941865 D1 DE 69941865D1
Authority
DE
Germany
Prior art keywords
multiplexing device
wavelength separation
wavelength
separation
multiplexing
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
DE69941865T
Other languages
English (en)
Inventor
Masashige Kawarai
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69941865D1 publication Critical patent/DE69941865D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B10/29—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
    • H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input 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
    • H04B10/50—Transmitters
    • H04B10/564—Power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
DE69941865T 1999-08-23 1999-08-23 Multiplexing-Vorrichtung zur Wellenlängentrennung Expired - Lifetime DE69941865D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP1999/004534 WO2001015291A1 (fr) 1999-08-23 1999-08-23 Multiplexeur de longueur d'onde
EP08158020A EP1962394B1 (de) 1999-08-23 1999-08-23 Multiplexing-Vorrichtung zur Wellenlängentrennung

Publications (1)

Publication Number Publication Date
DE69941865D1 true DE69941865D1 (de) 2010-02-04

Family

ID=14236525

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69941857T Expired - Lifetime DE69941857D1 (de) 1999-08-23 1999-08-23 Wellenlängenmultiplexer
DE69941865T Expired - Lifetime DE69941865D1 (de) 1999-08-23 1999-08-23 Multiplexing-Vorrichtung zur Wellenlängentrennung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69941857T Expired - Lifetime DE69941857D1 (de) 1999-08-23 1999-08-23 Wellenlängenmultiplexer

Country Status (5)

Country Link
US (1) US6707963B2 (de)
EP (2) EP1962394B1 (de)
JP (1) JP4107841B2 (de)
DE (2) DE69941857D1 (de)
WO (1) WO2001015291A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2378525A (en) * 2001-08-08 2003-02-12 Bookham Technology Plc Optic system
JP3976554B2 (ja) * 2001-11-28 2007-09-19 富士通株式会社 可変減衰器制御システム
JP3986824B2 (ja) * 2001-12-28 2007-10-03 富士通株式会社 光フィルタの制御方法及び制御装置並びに光ノード装置
KR100853233B1 (ko) * 2002-01-17 2008-08-20 김영호 광스위치를 이용한 정보보안장치 및 암호화 장치
US6801683B2 (en) 2002-07-15 2004-10-05 Sumitomo Electric Industries, Ltd. Optical module, light divider/insertor and light transmission device
US7203488B2 (en) * 2002-11-08 2007-04-10 Louis Luneau Flexible software radio transceiver
EP1420527B1 (de) * 2002-11-15 2006-01-11 Alcatel Digitaler Signalverarbeitungsempfänger und Verfahren zu seinem Betrieb
JP4654560B2 (ja) * 2003-02-10 2011-03-23 日本電気株式会社 光出力制御装置、光出力制御方法および光出力制御プログラム
US20050111077A1 (en) * 2003-11-24 2005-05-26 Ching-Wen Hsiao Gain controller with selectable wavelength feedback
JP4573627B2 (ja) * 2004-11-05 2010-11-04 富士通株式会社 光通信装置の光出力自動減衰回路
US8064771B2 (en) * 2005-06-30 2011-11-22 Infinera Corporation Active control loop for power control of optical channel groups
WO2019012818A1 (ja) 2017-07-14 2019-01-17 日本電気株式会社 プラガブル光モジュール、光通信システム及びプラガブル光モジュールの制御方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0444431A (ja) * 1990-06-11 1992-02-14 Toshiba Corp 光送信器
JPH05136735A (ja) * 1991-11-15 1993-06-01 Toshiba Corp 光周波数安定化装置
JPH06188517A (ja) * 1992-12-17 1994-07-08 Fujitsu Ltd 波長変換器
JP2546151B2 (ja) * 1993-06-15 1996-10-23 日本電気株式会社 レーザダイオード発光波長制御装置
JP2826444B2 (ja) * 1993-07-12 1998-11-18 日本電気 株式会社 波長多重伝送用光ファイバ増幅器
KR100195458B1 (ko) * 1994-12-05 1999-06-15 오보시 고지 신호다중화장치 및 방법
JPH08293853A (ja) * 1995-04-24 1996-11-05 Hitachi Ltd 波長制御方法
US6111681A (en) * 1996-02-23 2000-08-29 Ciena Corporation WDM optical communication systems with wavelength-stabilized optical selectors
JP3720112B2 (ja) * 1996-03-18 2005-11-24 富士通株式会社 波長分割多重が適用されるシステム及び光パワー制御装置
JPH09321740A (ja) * 1996-05-31 1997-12-12 Fujitsu Ltd 波長分割多重のための光増幅器
US6031647A (en) * 1996-10-23 2000-02-29 Nortel Networks Corporation Stable power control for optical transmission systems
JPH10164018A (ja) * 1996-11-26 1998-06-19 Fujitsu Ltd 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
JPH10209973A (ja) * 1997-01-20 1998-08-07 Nec Corp 光波長多重送信回路
JP3013799B2 (ja) * 1997-01-28 2000-02-28 日本電気株式会社 波長多重光伝送用送信装置と受信装置
DE19734957C1 (de) * 1997-08-13 1998-12-24 Lucent Tech Network Sys Gmbh Verfahren und Anordnung zur Wellenlängenstabilisierung für mehrkanalige optische Übertragungssysteme
US5923450A (en) * 1998-09-30 1999-07-13 Alcatel Network Systems, Inc. Optical channel regulator and method
JP4124845B2 (ja) * 1997-10-24 2008-07-23 日本オプネクスト株式会社 光波長安定制御装置
JP3166695B2 (ja) * 1998-01-05 2001-05-14 日本電気株式会社 波長分割多重送信装置
JPH11205289A (ja) * 1998-01-14 1999-07-30 Nec Corp 光波長多重方法およびその装置

Also Published As

Publication number Publication date
EP1962394B1 (de) 2009-12-23
EP1211763B1 (de) 2009-12-23
DE69941857D1 (de) 2010-02-04
US6707963B2 (en) 2004-03-16
EP1962394A3 (de) 2008-09-17
WO2001015291A1 (fr) 2001-03-01
EP1962394A2 (de) 2008-08-27
US20020061165A1 (en) 2002-05-23
JP4107841B2 (ja) 2008-06-25
EP1211763A1 (de) 2002-06-05
EP1211763A4 (de) 2007-12-05

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Legal Events

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