DE69718686D1 - Laser, optische Verstärker und Verstärkungsverfahren - Google Patents

Laser, optische Verstärker und Verstärkungsverfahren

Info

Publication number
DE69718686D1
DE69718686D1 DE69718686T DE69718686T DE69718686D1 DE 69718686 D1 DE69718686 D1 DE 69718686D1 DE 69718686 T DE69718686 T DE 69718686T DE 69718686 T DE69718686 T DE 69718686T DE 69718686 D1 DE69718686 D1 DE 69718686D1
Authority
DE
Germany
Prior art keywords
lasers
optical amplifiers
amplification processes
amplification
processes
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
DE69718686T
Other languages
English (en)
Other versions
DE69718686T2 (de
Inventor
Yasutake Ohishi
Makoto Yamada
Terutoshi Kanamori
Shoichi Sudo
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69718686D1 publication Critical patent/DE69718686D1/de
Application granted granted Critical
Publication of DE69718686T2 publication Critical patent/DE69718686T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08081—Unstable resonators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • 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
    • H01S3/06716—Fibre compositions or doping with active elements
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • 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
    • 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
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094092—Upconversion pumping
    • 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
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
    • 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
    • H01S3/17—Solid materials amorphous, e.g. 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
    • H01S3/14—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
    • H01S3/17—Solid materials amorphous, e.g. glass
    • H01S3/177—Solid materials amorphous, e.g. glass telluride glass

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)
DE69718686T 1997-04-23 1997-06-03 Laser, optische Verstärker und Verstärkungsverfahren Expired - Lifetime DE69718686T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10605597A JP3299684B2 (ja) 1997-04-23 1997-04-23 光増幅器および光増幅方法

Publications (2)

Publication Number Publication Date
DE69718686D1 true DE69718686D1 (de) 2003-02-27
DE69718686T2 DE69718686T2 (de) 2003-08-21

Family

ID=14423941

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69716237T Expired - Lifetime DE69716237T2 (de) 1997-04-23 1997-06-03 Optische Verstärker und Verstärkungsverfahren
DE69718686T Expired - Lifetime DE69718686T2 (de) 1997-04-23 1997-06-03 Laser, optische Verstärker und Verstärkungsverfahren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69716237T Expired - Lifetime DE69716237T2 (de) 1997-04-23 1997-06-03 Optische Verstärker und Verstärkungsverfahren

Country Status (6)

Country Link
US (2) US6205164B1 (de)
EP (2) EP1085620B1 (de)
JP (1) JP3299684B2 (de)
KR (1) KR100353974B1 (de)
CA (1) CA2207051C (de)
DE (2) DE69716237T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3299684B2 (ja) * 1997-04-23 2002-07-08 日本電信電話株式会社 光増幅器および光増幅方法
JP3344475B2 (ja) * 1999-03-19 2002-11-11 日本電気株式会社 レーザ発振器及びレーザ増幅器
US6384368B1 (en) * 1999-05-05 2002-05-07 Lsp Technologies, Inc. Laser amplifier with variable and matched wavelength pumping
US6914915B2 (en) * 2000-03-01 2005-07-05 Nec Corporation Optical fiber amplifier that can attain sufficient gain shift effect, small noise property and high operation efficiency at the same time even in two-wavelength excitation tm dopant optical fiber amplifier, and optical amplifier having the same
US6504645B1 (en) * 2000-08-29 2003-01-07 Lucent Technologies Inc. Chalcogenide glass based Raman optical amplifier
US6552844B2 (en) 2001-06-01 2003-04-22 Agere Systems Guardian Corp. Passively output flattened optical amplifier
US7158287B2 (en) * 2003-03-26 2007-01-02 Sprint Communications Company L.P. Distributed and discrete amplification of optical signals
US7633621B2 (en) * 2003-04-11 2009-12-15 Thornton Robert L Method for measurement of analyte concentrations and semiconductor laser-pumped, small-cavity fiber lasers for such measurements and other applications
DE602004003743T2 (de) * 2003-06-02 2007-10-04 Fujikura Ltd. Faserlaser und Verfahren zu dessen Betrieb
US7046710B2 (en) * 2003-08-28 2006-05-16 Raytheon Company Gain boost with synchronized multiple wavelength pumping in a solid-state laser
US7088498B2 (en) * 2004-06-29 2006-08-08 Sprint Communications Company L.P. Optical amplification of CWDM channels using optical amplifiers having fluoride-based optical fiber
US7760423B2 (en) 2005-07-20 2010-07-20 Sumitomo Electric Industries, Ltd. Optical amplifier
EP2074684B1 (de) * 2006-06-08 2016-03-23 Ramesh K. Shori Mehrwellenlängen-pumpverfahren zur verbesserung der leistungsfähigkeit von auf erbium basierenden lasern
TWI380542B (en) * 2008-12-31 2012-12-21 Ind Tech Res Inst Laser apparatus with all optical-fiber
JPWO2010079773A1 (ja) * 2009-01-07 2012-06-21 株式会社フジクラ 光ファイバ増幅器
CN110849500B (zh) * 2019-11-22 2021-04-09 大连民族大学 一种基于稀土Er离子四能级系统的上转换发光强度比的温度探测方法
CN111370983B (zh) * 2020-03-19 2022-03-08 吉林大学 一种掺铒氟化铟基玻璃光纤在实现3.3μm波段激光输出方面的应用

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962995A (en) * 1989-06-16 1990-10-16 Gte Laboratories Incorporated Glasses for high efficiency erbium (3+) optical fiber lasers, amplifiers, and superluminescent sources
FR2659755B1 (fr) * 1990-03-16 1992-05-29 Alcatel Nv Amplificateur optique a fibre dopee a l'erbium.
JP2856501B2 (ja) * 1990-04-27 1999-02-10 株式会社東芝 光ファイバ増幅器
GB9010943D0 (en) * 1990-05-16 1990-07-04 British Telecomm Wave-guiding structure with lasing properties
JP2533682B2 (ja) * 1990-10-15 1996-09-11 日本電信電話株式会社 光ファイバ増幅器および光ファイバ増幅器の励起方法
US5140456A (en) * 1991-04-08 1992-08-18 General Instrument Corporation Low noise high power optical fiber amplifier
DE59203263D1 (de) 1991-05-18 1995-09-21 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit optischer Steuerung eines optischen Verstärkers oder Wellenlängenkonversion der optischen Signale.
JPH04371911A (ja) * 1991-06-21 1992-12-24 Hitachi Ltd 光アイソレータおよび希土類添加ファイバ光増幅装置
GB9114730D0 (en) * 1991-07-09 1991-08-28 British Telecomm Up-conversion pumped green lasing in erbium doped fluorozirconate fibre
US5351335A (en) * 1991-08-26 1994-09-27 Nippon Telegraph And Telephone Corporation Optical fiber for optical amplifier
US5251062A (en) * 1992-10-15 1993-10-05 Bell Communications Research, Inc. Tellurite glass and fiber amplifier
FR2715481B1 (fr) * 1994-01-26 1996-02-16 Mathilde Semenkoff Amplificateur optique à fibre optique en verre fluoré dopé et procédé de fabrication de cet amplificateur.
US5481391A (en) * 1994-02-17 1996-01-02 At&T Corp. Optical fiber system and method for overcoming the effects of polarization gain anisotropy in a fiber amplifier
US5530709A (en) * 1994-09-06 1996-06-25 Sdl, Inc. Double-clad upconversion fiber laser
US5724372A (en) * 1995-01-20 1998-03-03 Hughes Electronics Diode-pumped laser system using uranium-doped Q-switch
US5594747A (en) * 1995-03-06 1997-01-14 Ball; Gary A. Dual-wavelength pumped low noise fiber laser
US5629953A (en) * 1995-05-05 1997-05-13 The Board Of Trustees Of The University Of Illinois Chalcogenide optical pumping system driven by broad absorption band
US5568497A (en) * 1995-06-07 1996-10-22 The Board Of Trustees Of The University Of Illinois Chalcogenide optical pumping system having broad emission band
GB9522943D0 (en) * 1995-08-05 1996-01-10 Samsung Electronics Co Ltd Erbium doped fiber amplifier
JP3299684B2 (ja) * 1997-04-23 2002-07-08 日本電信電話株式会社 光増幅器および光増幅方法
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Also Published As

Publication number Publication date
US6278719B1 (en) 2001-08-21
US6205164B1 (en) 2001-03-20
CA2207051A1 (en) 1998-10-23
EP1085620B1 (de) 2003-01-22
KR19980079262A (ko) 1998-11-25
DE69716237D1 (de) 2002-11-14
DE69716237T2 (de) 2003-09-11
JPH10303490A (ja) 1998-11-13
EP0874427B1 (de) 2002-10-09
KR100353974B1 (ko) 2002-11-18
EP1085620A2 (de) 2001-03-21
EP0874427A1 (de) 1998-10-28
EP1085620A3 (de) 2001-07-04
CA2207051C (en) 2002-03-12
DE69718686T2 (de) 2003-08-21
JP3299684B2 (ja) 2002-07-08

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Legal Events

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