FR2749724B1 - Filtre optique et systeme de transmission optique le comportant - Google Patents
Filtre optique et systeme de transmission optique le comportantInfo
- Publication number
- FR2749724B1 FR2749724B1 FR9707025A FR9707025A FR2749724B1 FR 2749724 B1 FR2749724 B1 FR 2749724B1 FR 9707025 A FR9707025 A FR 9707025A FR 9707025 A FR9707025 A FR 9707025A FR 2749724 B1 FR2749724 B1 FR 2749724B1
- Authority
- FR
- France
- Prior art keywords
- optical
- same
- transmission system
- optical filter
- optical transmission
- 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
- 230000003287 optical effect Effects 0.000 title 2
- 230000005540 biological transmission Effects 0.000 title 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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/25073—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion using spectral equalisation, e.g. spectral filtering
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Lasers (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14939596A JP3512050B2 (ja) | 1996-06-11 | 1996-06-11 | 光フィルタおよび光伝送システム |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2749724A1 FR2749724A1 (fr) | 1997-12-12 |
FR2749724B1 true FR2749724B1 (fr) | 2006-05-26 |
Family
ID=15474199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9707025A Expired - Fee Related FR2749724B1 (fr) | 1996-06-11 | 1997-06-06 | Filtre optique et systeme de transmission optique le comportant |
Country Status (4)
Country | Link |
---|---|
US (1) | US5900970A (fr) |
JP (1) | JP3512050B2 (fr) |
FR (1) | FR2749724B1 (fr) |
GB (1) | GB2314225B (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100210913B1 (ko) * | 1996-08-01 | 1999-07-15 | 윤종용 | 전송광의 파장을 자동 추적하여 필터링하는 광섬유증폭기 및 그 운용방법 |
JP3769359B2 (ja) * | 1997-08-11 | 2006-04-26 | 富士通株式会社 | 波長多重光増幅伝送システム及び光増幅器 |
JP3452768B2 (ja) * | 1997-08-11 | 2003-09-29 | 富士通株式会社 | 光増幅のための方法及び装置並びに該装置を有するシステム |
FR2773425B1 (fr) * | 1998-01-08 | 2000-02-04 | Alsthom Cge Alcatel | Amplificateur optique a excursion de gain optimale pour differentes puissances d'entree |
FR2776152A1 (fr) * | 1998-03-16 | 1999-09-17 | Alsthom Cge Alcatel | Controle a distance de l'excursion de gain dans un systeme de transmission a fibre optique et a multiplexage de longueur d'ondes |
JP3149921B2 (ja) * | 1998-05-18 | 2001-03-26 | 住友電気工業株式会社 | 光損失フィルタおよびその製造方法 |
JP2000004061A (ja) * | 1998-06-15 | 2000-01-07 | Nec Corp | 光利得等化装置 |
US6445493B2 (en) * | 1999-01-29 | 2002-09-03 | Corning Incorporated | Balanced gain flattening filters |
AU3428400A (en) | 1999-03-11 | 2000-09-28 | Pirelli Submarine Telecom Systems Italia S.P.A. | Multiple-wavelength optical communication system with optical amplifiers |
JP2000341213A (ja) * | 1999-05-26 | 2000-12-08 | Fujitsu Ltd | 温度補償機能を有する利得調整器および光増幅器 |
US6353497B1 (en) | 2000-03-03 | 2002-03-05 | Optical Coating Laboratory, Inc. | Integrated modular optical amplifier |
JP2001285323A (ja) * | 2000-04-03 | 2001-10-12 | Hitachi Ltd | 光ネットワーク |
US6433924B1 (en) | 2000-11-14 | 2002-08-13 | Optical Coating Laboratory, Inc. | Wavelength-selective optical amplifier |
US6646795B1 (en) * | 2000-11-20 | 2003-11-11 | Nortel Networks Limited | Optical amplifier |
EP1246324B1 (fr) * | 2001-03-09 | 2006-02-08 | Nippon Telegraph and Telephone Corporation | Source de lumière blanche |
US6545798B2 (en) * | 2001-04-09 | 2003-04-08 | Corning Incorporated | Thermal ripple-compensating, gain-flattening filter for an optical amplifier |
GB2386752A (en) * | 2002-03-19 | 2003-09-24 | Bookham Technology Plc | Optical amplifiers |
JP2009105080A (ja) * | 2006-01-04 | 2009-05-14 | Sumitomo Electric Ind Ltd | 増幅用光ファイバ |
JP2019061133A (ja) * | 2017-09-27 | 2019-04-18 | 住友電気工業株式会社 | 光変調装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2873856B2 (ja) * | 1990-04-03 | 1999-03-24 | キヤノン株式会社 | 光増幅器 |
AU685747B2 (en) * | 1992-06-01 | 1998-01-29 | British Telecommunications Public Limited Company | Filter with preselected attenuation/wavelength characteristic |
US5623565A (en) * | 1992-06-01 | 1997-04-22 | British Telecommunications Public Limited Company | Optical sensor/actuator communication system with common control site independently responding to inputs from sensors and controlling associated actuators |
US5271024A (en) * | 1992-07-27 | 1993-12-14 | General Instrument Corporation | Optical fiber amplifier and laser with flattened gain slope |
US5579143A (en) * | 1993-06-04 | 1996-11-26 | Ciena Corporation | Optical system with tunable in-fiber gratings |
US5430817A (en) * | 1994-03-31 | 1995-07-04 | At&T Corp. | Optical systems and devices using long period spectral shaping devices |
US5638301A (en) * | 1994-06-02 | 1997-06-10 | Ford Motor Company | Method and system for inspecting die sets using free-form inspection techniques |
GB9420132D0 (en) * | 1994-10-05 | 1994-11-16 | Norhern Telecom Limited | Optical amplifiers |
JPH0993200A (ja) * | 1995-09-27 | 1997-04-04 | Nec Corp | 光増幅中継伝送装置 |
US5668821A (en) * | 1996-01-16 | 1997-09-16 | Lucent Technologies Inc. | Optical systems and devices employing spectrally flattened amplified spontaneous emission |
-
1996
- 1996-06-11 JP JP14939596A patent/JP3512050B2/ja not_active Expired - Fee Related
-
1997
- 1997-04-17 US US08/843,853 patent/US5900970A/en not_active Expired - Lifetime
- 1997-05-19 GB GB9710100A patent/GB2314225B/en not_active Expired - Fee Related
- 1997-06-06 FR FR9707025A patent/FR2749724B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3512050B2 (ja) | 2004-03-29 |
JPH09331090A (ja) | 1997-12-22 |
GB2314225B (en) | 2000-10-04 |
FR2749724A1 (fr) | 1997-12-12 |
US5900970A (en) | 1999-05-04 |
GB2314225A (en) | 1997-12-17 |
GB9710100D0 (en) | 1997-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20130228 |