DE69104439T2 - System, das Er-dotierte optische Fasern enthält. - Google Patents

System, das Er-dotierte optische Fasern enthält.

Info

Publication number
DE69104439T2
DE69104439T2 DE69104439T DE69104439T DE69104439T2 DE 69104439 T2 DE69104439 T2 DE 69104439T2 DE 69104439 T DE69104439 T DE 69104439T DE 69104439 T DE69104439 T DE 69104439T DE 69104439 T2 DE69104439 T2 DE 69104439T2
Authority
DE
Germany
Prior art keywords
optical fibers
system containing
doped optical
doped
fibers
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
DE69104439T
Other languages
English (en)
Other versions
DE69104439D1 (de
Inventor
David J Digiovanni
Kenneth Lee Walker
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Publication of DE69104439D1 publication Critical patent/DE69104439D1/de
Application granted granted Critical
Publication of DE69104439T2 publication Critical patent/DE69104439T2/de
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
    • H04B10/29—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
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2935—Signal power control considering the whole optical path with a cascade of amplifiers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
    • C03B37/01838—Reactant delivery systems, e.g. reactant deposition burners for delivering and depositing additional reactants as liquids or solutions, e.g. for solution doping of the deposited glass
    • 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
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
    • C03B2201/36—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers doped with rare earth metals and aluminium, e.g. Er-Al co-doped
    • 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
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/0672—Non-uniform radial doping
    • 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
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729—Peculiar transverse fibre profile
    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1691—Solid materials characterised by additives / sensitisers / promoters as further dopants
    • H01S3/1693—Solid materials characterised by additives / sensitisers / promoters as further dopants aluminium

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Communication System (AREA)
DE69104439T 1990-08-03 1991-07-25 System, das Er-dotierte optische Fasern enthält. Expired - Fee Related DE69104439T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/562,770 US5058976A (en) 1990-08-03 1990-08-03 System comprising Er-doped optical fiber

Publications (2)

Publication Number Publication Date
DE69104439D1 DE69104439D1 (de) 1994-11-10
DE69104439T2 true DE69104439T2 (de) 1995-03-02

Family

ID=24247701

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69104439T Expired - Fee Related DE69104439T2 (de) 1990-08-03 1991-07-25 System, das Er-dotierte optische Fasern enthält.

Country Status (4)

Country Link
US (1) US5058976A (de)
EP (1) EP0469795B1 (de)
JP (1) JPH07109920B2 (de)
DE (1) DE69104439T2 (de)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
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WO1991001066A1 (en) * 1989-07-13 1991-01-24 British Telecommunications Public Limited Company Optical communications network
DE4014034A1 (de) * 1990-05-02 1991-11-07 Standard Elektrik Lorenz Ag Optischer verstaerker
GB2249660B (en) * 1990-11-09 1994-07-06 Stc Plc Amplified optical fibre systems
DE4106778A1 (de) * 1991-03-04 1992-09-10 Standard Elektrik Lorenz Ag Optisch-elektrisch-wandler mit erweitertem dynamikbereich
JP3036876B2 (ja) * 1991-03-20 2000-04-24 日本電気株式会社 光送信装置
AU649845B2 (en) * 1991-06-24 1994-06-02 Sumitomo Electric Industries, Ltd. Method for producing glass preform for optical fiber
DE4214766A1 (de) * 1992-05-04 1993-11-11 Sel Alcatel Ag Faseroptischer Verstärker mit rückwirkungsunempfindlichem Pumplaser
US5274734A (en) * 1992-08-28 1993-12-28 At&T Bell Laboratories Article comprising a rare earth or transition metal doped optical fiber
EP0590379B1 (de) * 1992-09-30 1997-07-02 Siemens Aktiengesellschaft Optische Übertragungseinrichtung für die Übertragung optischer Signale im Wellenlängenmultiplex auf einer Vielzahl benachbarter optischer Trägerwellenlängen
US5259046A (en) * 1992-10-01 1993-11-02 At&T Bell Laboratories Article comprising an optical waveguide containing a fluorescent dopant
GB2273389B (en) * 1992-12-14 1996-07-17 Pirelli Cavi Spa Rare earth doped optical fibre amplifiers
US5296012A (en) * 1992-12-28 1994-03-22 Corning Incorporated Method of making optical waveguide preforms
JP2636152B2 (ja) * 1993-11-24 1997-07-30 住友電気工業株式会社 光ファイバ増幅器および光通信システム
JP3244579B2 (ja) * 1993-12-17 2002-01-07 富士通株式会社 光ファイバ増幅器
IT1270032B (it) * 1994-04-14 1997-04-28 Pirelli Cavi Spa Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda
US5838868A (en) * 1995-06-30 1998-11-17 Syracuse University Semiconductor fiber light amplifier
GB9522943D0 (en) * 1995-08-05 1996-01-10 Samsung Electronics Co Ltd Erbium doped fiber amplifier
JP3556026B2 (ja) * 1995-10-30 2004-08-18 富士通株式会社 複数の波長信号を一括して増幅する多波長一括光増幅器
JP3773575B2 (ja) * 1996-01-12 2006-05-10 富士通株式会社 ドープファイバ、そのスプライシング方法及び光増幅器
US5633964A (en) * 1996-02-15 1997-05-27 Lucent Technologies Inc. Article comprising a multi-stage erbium-doped fiber amplifier
KR0167132B1 (ko) * 1996-03-30 1999-01-15 윤종용 어븀 첨가 광섬유의 제조 방법 및 장치
JPH1011022A (ja) 1996-06-18 1998-01-16 Sharp Corp 表示装置の駆動回路
US6289698B1 (en) * 1996-08-02 2001-09-18 Corning Incorporated Method of making a fiber preform with increases in alumina concentration at radial distances
US5877890A (en) * 1996-10-30 1999-03-02 Rutgers, The State University Of New Jersey Optical-fiber amplifier having high-saturation output
JP3622816B2 (ja) * 1996-12-27 2005-02-23 富士通株式会社 光増幅用ファイバ及びその製造方法
US7576909B2 (en) 1998-07-16 2009-08-18 Imra America, Inc. Multimode amplifier for amplifying single mode light
US7656578B2 (en) 1997-03-21 2010-02-02 Imra America, Inc. Microchip-Yb fiber hybrid optical amplifier for micro-machining and marking
US5818630A (en) * 1997-06-25 1998-10-06 Imra America, Inc. Single-mode amplifiers and compressors based on multi-mode fibers
US5832163A (en) * 1997-07-18 1998-11-03 Mcdonnell Douglas Corporation Single mode optical waveguide with expanded rare-earth doped region
JPH11121839A (ja) * 1997-10-17 1999-04-30 Fujitsu Ltd 光増幅用ファイバ及び光ファイバ増幅器
US6109065A (en) * 1998-04-22 2000-08-29 Lucent Technologies, Inc. Method of making optical waveguide devices using perchloryl fluoride to make soot
KR100322131B1 (ko) * 1999-01-28 2002-02-04 윤종용 오.에이치.차단층을 구비한 광섬유 모재 및 그 제조방법
GB9814526D0 (en) * 1998-07-03 1998-09-02 Univ Southampton Optical fibre and optical fibre device
US6275512B1 (en) 1998-11-25 2001-08-14 Imra America, Inc. Mode-locked multimode fiber laser pulse source
US6243196B1 (en) * 1999-05-20 2001-06-05 Sumitomo Electric Industries, Ltd. Optical fiber for optical amplifier and fiber optic amplifier
CN1275364C (zh) * 1999-05-28 2006-09-13 住友电气工业株式会社 光放大用光纤和光纤放大器
US6474106B1 (en) 1999-11-30 2002-11-05 Corning Incorporated Rare earth and alumina-doped optical fiber preform process
US6587623B1 (en) * 2000-08-14 2003-07-01 The Board Of Trustees Of The University Of Illinois Method for reducing stimulated brillouin scattering in waveguide systems and devices
JP2002158384A (ja) * 2000-09-07 2002-05-31 Sumitomo Electric Ind Ltd 増幅用光ファイバ、光ファイバ増幅器、光送信器及び光通信システム
US6751990B2 (en) * 2001-03-06 2004-06-22 Council Of Scientific And Industrial Research Process for making rare earth doped optical fiber
WO2002079829A1 (en) * 2001-03-30 2002-10-10 Optical Power Systems Ring core fiber
WO2002097496A1 (en) 2001-05-29 2002-12-05 3M Innovative Properties Company Optical fiber fusion splice having a controlled mode field diameter expansion match
US6690868B2 (en) * 2001-05-30 2004-02-10 3M Innovative Properties Company Optical waveguide article including a fluorine-containing zone
US20030024276A1 (en) * 2001-05-30 2003-02-06 3M Innovative Properties Company Method of manufacture of an optical waveguide article including a fluorine-containing zone
US6819846B2 (en) 2001-08-02 2004-11-16 Corning Incorporated High absorption erbium doped amplifying optical fiber
WO2003033423A1 (en) * 2001-10-18 2003-04-24 Council Of Scientific And Industrial Research A process of making rare earth doped optical fibre
US6851281B2 (en) * 2002-03-28 2005-02-08 Council Of Scientific And Industrial Research Method of fabricating rare earth doped optical fibre
US20030200771A1 (en) * 2002-04-30 2003-10-30 Burke Gerald E. Method of manufacturing phosphosilicate optical fibers and optical fibers formed therefrom
US7175587B2 (en) * 2002-12-31 2007-02-13 Em-Probe, Inc. Method and apparatus for pulsed electromagnetic therapy
US7760423B2 (en) * 2005-07-20 2010-07-20 Sumitomo Electric Industries, Ltd. Optical amplifier
JP5116354B2 (ja) * 2007-04-27 2013-01-09 芝浦メカトロニクス株式会社 固体レーザ媒質および固体レーザ発振器
JP2009224405A (ja) * 2008-03-13 2009-10-01 Fujikura Ltd 希土類添加光ファイバとその製造方法及びファイバレーザ
JP2011230987A (ja) * 2010-04-30 2011-11-17 Sumitomo Electric Ind Ltd ガラス母材製造方法
JP5657274B2 (ja) * 2010-05-13 2015-01-21 三菱電線工業株式会社 希土類元素添加光ファイバおよびその製造方法

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US4778238A (en) * 1985-08-01 1988-10-18 Hicks John W Optical communications systems and process for signal amplification using stimulated brillouin scattering (SBS) and laser utilized in the system
US4922481A (en) * 1985-08-01 1990-05-01 Hicks John W Optical communication systems enabling minimal subscriber components
US4699464A (en) * 1986-02-20 1987-10-13 American Telephone And Telegraph Company, At&T Bell Laboratories BeF2 -based optical fibers
GB8724736D0 (en) * 1987-10-22 1987-11-25 British Telecomm Optical fibre
US5027079A (en) * 1990-01-19 1991-06-25 At&T Bell Laboratories Erbium-doped fiber amplifier

Also Published As

Publication number Publication date
EP0469795A1 (de) 1992-02-05
JPH04273187A (ja) 1992-09-29
JPH07109920B2 (ja) 1995-11-22
DE69104439D1 (de) 1994-11-10
EP0469795B1 (de) 1994-10-05
US5058976A (en) 1991-10-22

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee