FR2749724B1 - Filtre optique et systeme de transmission optique le comportant - Google Patents

Filtre optique et systeme de transmission optique le comportant

Info

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
Application number
FR9707025A
Other languages
English (en)
Other versions
FR2749724A1 (fr
Inventor
Motoki Kakui
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of FR2749724A1 publication Critical patent/FR2749724A1/fr
Application granted granted Critical
Publication of FR2749724B1 publication Critical patent/FR2749724B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B10/25—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)
FR9707025A 1996-06-11 1997-06-06 Filtre optique et systeme de transmission optique le comportant Expired - Fee Related FR2749724B1 (fr)

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)

* Cited by examiner, † Cited by third party
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
NZ513588A (en) 1999-03-11 2001-09-28 Pirelli Submarine Telecom Systems Italia Spa 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)

* Cited by examiner, † Cited by third party
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
DE69326001T2 (de) * 1992-06-01 2000-02-24 British Telecommunications P.L.C., London Optisches nachrichtenübertragungssystem
AU685747B2 (en) * 1992-06-01 1998-01-29 British Telecommunications Public Limited Company Filter with preselected attenuation/wavelength characteristic
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

Also Published As

Publication number Publication date
GB9710100D0 (en) 1997-07-09
JP3512050B2 (ja) 2004-03-29
US5900970A (en) 1999-05-04
FR2749724A1 (fr) 1997-12-12
JPH09331090A (ja) 1997-12-22
GB2314225A (en) 1997-12-17
GB2314225B (en) 2000-10-04

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130228