DE69520547T2 - Faseroptischer Verstärker - Google Patents
Faseroptischer VerstärkerInfo
- Publication number
- DE69520547T2 DE69520547T2 DE69520547T DE69520547T DE69520547T2 DE 69520547 T2 DE69520547 T2 DE 69520547T2 DE 69520547 T DE69520547 T DE 69520547T DE 69520547 T DE69520547 T DE 69520547T DE 69520547 T2 DE69520547 T2 DE 69520547T2
- Authority
- DE
- Germany
- Prior art keywords
- fiber optic
- optic amplifier
- amplifier
- fiber
- optic
- 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 - Fee Related
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
- H04B10/2941—Signal power control in a multiwavelength system, e.g. gain equalisation using an equalising unit, e.g. a filter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H01S3/06758—Tandem amplifiers
-
- 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
-
- 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
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S2301/00—Functional characteristics
- H01S2301/04—Gain spectral shaping, flattening
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28187594 | 1994-11-16 | ||
JP28187494 | 1994-11-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69520547D1 DE69520547D1 (de) | 2001-05-10 |
DE69520547T2 true DE69520547T2 (de) | 2001-11-08 |
Family
ID=26554376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69520547T Expired - Fee Related DE69520547T2 (de) | 1994-11-16 | 1995-11-13 | Faseroptischer Verstärker |
Country Status (4)
Country | Link |
---|---|
US (1) | US6400497B1 (de) |
EP (1) | EP0713273B1 (de) |
CA (1) | CA2162975A1 (de) |
DE (1) | DE69520547T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2314714B (en) * | 1996-06-26 | 2000-04-05 | Northern Telecom Ltd | Optical amplifier modules |
JP3652804B2 (ja) * | 1996-09-06 | 2005-05-25 | 富士通株式会社 | 光伝送装置 |
EP0911926B1 (de) | 1997-02-18 | 2011-12-07 | Nippon Telegraph And Telephone Corporation | Optischer verstärker und übertragungssystem unter verwendung desselben |
US5963361A (en) * | 1998-05-22 | 1999-10-05 | Ciena Corporation | Optical amplifier having a variable attenuator controlled based on detected ASE |
KR100328291B1 (ko) * | 1998-07-14 | 2002-08-08 | 노베라 옵틱스 인코포레이티드 | 능동제어된파장별이득을갖는광증폭기및변화가능한출력스펙트럼을갖는광섬유광원 |
US6728026B2 (en) | 1998-07-14 | 2004-04-27 | Novera Optics, Inc. | Dynamically tunable optical amplifier and fiber optic light source |
US6498676B1 (en) | 1998-08-07 | 2002-12-24 | Jds Fitel Inc. | Optical filter for use or with an optical amplifier |
CA2313034A1 (en) * | 1998-10-04 | 2000-04-13 | The Furukawa Electric Co., Ltd. | Optical amplifier |
JP3844902B2 (ja) * | 1999-03-02 | 2006-11-15 | 富士通株式会社 | 波長多重用光増幅器及び光通信システム |
DE10040790B4 (de) * | 2000-08-21 | 2004-03-04 | Siemens Ag | Regelverfahren und optische Datenübertragungsstrecke mit einer Vorrichtung zur Kompensation von Änderungen des SRS-bedingten Leistungsaustausches |
JP4588282B2 (ja) * | 2000-08-31 | 2010-11-24 | 富士通株式会社 | 光通信システムの立ち上げ方法およびチャンネル増減設方法、ならびに、コンピュータ読み取り可能な記録媒体 |
US6529316B1 (en) * | 2001-05-03 | 2003-03-04 | Onetta, Inc. | Optical network equipment with optical channel monitor and dynamic spectral filter alarms |
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 |
US6559985B1 (en) * | 2001-05-09 | 2003-05-06 | Ciena Corporation | Method and system for determining channel power in an optical communications network |
JP3923301B2 (ja) * | 2001-11-29 | 2007-05-30 | 富士通株式会社 | Wdm通信システムにおける光アンプ監視制御方法 |
US6941040B2 (en) * | 2002-06-05 | 2005-09-06 | Raytheon Company | Selectable filter module for optical fiber transmission system, and method of filtering light |
US6975449B1 (en) * | 2003-03-05 | 2005-12-13 | Nortel Networks Limited | Fast, continuously variable automatic gain control for optical amplifiers |
CN103201915B (zh) * | 2010-10-29 | 2016-04-06 | 古河电气工业株式会社 | 光放大装置以及光传送系统 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03212984A (ja) * | 1990-01-17 | 1991-09-18 | Mitsubishi Electric Corp | ファイバ形光増幅器 |
GB2246234A (en) * | 1990-05-21 | 1992-01-22 | Univ Southampton | Optical amplifier with shaped spectral gain |
US5225922A (en) | 1991-11-21 | 1993-07-06 | At&T Bell Laboratories | Optical transmission system equalizer |
JP3037015B2 (ja) * | 1993-03-12 | 2000-04-24 | 日本電気株式会社 | 光増幅中継システム |
JP2751789B2 (ja) | 1993-07-14 | 1998-05-18 | 日本電気株式会社 | 光ファイバ増幅器 |
JP3244579B2 (ja) | 1993-12-17 | 2002-01-07 | 富士通株式会社 | 光ファイバ増幅器 |
US5513029A (en) | 1994-06-16 | 1996-04-30 | Northern Telecom Limited | Method and apparatus for monitoring performance of optical transmission systems |
-
1995
- 1995-11-13 EP EP95117855A patent/EP0713273B1/de not_active Expired - Lifetime
- 1995-11-13 DE DE69520547T patent/DE69520547T2/de not_active Expired - Fee Related
- 1995-11-13 US US08/555,901 patent/US6400497B1/en not_active Expired - Lifetime
- 1995-11-15 CA CA002162975A patent/CA2162975A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0713273A2 (de) | 1996-05-22 |
US6400497B1 (en) | 2002-06-04 |
CA2162975A1 (en) | 1996-05-17 |
EP0713273A3 (de) | 1997-10-15 |
EP0713273B1 (de) | 2001-04-04 |
DE69520547D1 (de) | 2001-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |