IT1298181B1 - Amplificatore a fibra ottica, a ridotta potenza di consumo. - Google Patents

Amplificatore a fibra ottica, a ridotta potenza di consumo.

Info

Publication number
IT1298181B1
IT1298181B1 IT98MI000110A ITMI980110A IT1298181B1 IT 1298181 B1 IT1298181 B1 IT 1298181B1 IT 98MI000110 A IT98MI000110 A IT 98MI000110A IT MI980110 A ITMI980110 A IT MI980110A IT 1298181 B1 IT1298181 B1 IT 1298181B1
Authority
IT
Italy
Prior art keywords
optical fiber
fiber amplifier
consumption power
reduced consumption
reduced
Prior art date
Application number
IT98MI000110A
Other languages
English (en)
Inventor
Atsushi Toyohara
Original Assignee
Nec 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 Nec Corp filed Critical Nec Corp
Publication of ITMI980110A1 publication Critical patent/ITMI980110A1/it
Application granted granted Critical
Publication of IT1298181B1 publication Critical patent/IT1298181B1/it

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
    • H01S3/09—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
    • 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
    • H01S3/1613—Solid materials characterised by an active (lasing) ion rare earth praseodymium

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
IT98MI000110A 1997-01-23 1998-01-22 Amplificatore a fibra ottica, a ridotta potenza di consumo. IT1298181B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9010152A JPH10209540A (ja) 1997-01-23 1997-01-23 光ファイバ増幅器

Publications (2)

Publication Number Publication Date
ITMI980110A1 ITMI980110A1 (it) 1999-07-22
IT1298181B1 true IT1298181B1 (it) 1999-12-20

Family

ID=11742311

Family Applications (1)

Application Number Title Priority Date Filing Date
IT98MI000110A IT1298181B1 (it) 1997-01-23 1998-01-22 Amplificatore a fibra ottica, a ridotta potenza di consumo.

Country Status (4)

Country Link
US (1) US6111686A (it)
JP (1) JPH10209540A (it)
FR (1) FR2758664B1 (it)
IT (1) IT1298181B1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001196671A (ja) 2000-01-06 2001-07-19 Nec Corp 波長多重伝送用光ファイバ増幅器
US6519081B2 (en) 2000-04-13 2003-02-11 Corning Incorporated Method of operating a noise-compensating gain controller for an optical amplifier
WO2002025358A2 (en) * 2000-09-22 2002-03-28 Movaz Networks, Inc. Variable transmission multi-channel optical switch
US6535330B1 (en) 2001-03-31 2003-03-18 Corning Incorporated Dynamic controller for a multi-channel optical amplifier
US6943937B2 (en) 2001-05-17 2005-09-13 Avanex Corporation Optical amplifier performance controller and method of use
DE10144948B4 (de) * 2001-09-12 2007-10-31 Siemens Ag Verfahren zur Regelung einer Pumpeinrichtung bei optischer Verstärkung eines übertragenen Wellenlängen-Multiplex(-WDM)-Signals
US7379236B2 (en) 2003-07-04 2008-05-27 Nippon Telegraph And Telephone Corporation Optical fiber communication system using remote pumping
EP2149211A4 (en) * 2007-04-18 2014-06-04 François Gonthier FIBER AMPLIFIER
JP5245854B2 (ja) * 2009-01-19 2013-07-24 富士通株式会社 波長多重光増幅器
JP6904108B2 (ja) * 2017-06-28 2021-07-14 日本電気株式会社 光ファイバ増幅器および光ファイバ増幅システム

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8905276D0 (en) * 1989-03-08 1989-04-19 British Telecomm Laser amplifier
JPH03214681A (ja) * 1990-01-18 1991-09-19 Mitsubishi Electric Corp ファイバ形光増幅器
JP3035026B2 (ja) * 1991-09-26 2000-04-17 住友大阪セメント株式会社 双方向励起による光ファイバ−増幅器
JPH05127037A (ja) * 1991-11-05 1993-05-25 Sumitomo Electric Ind Ltd 光合分波器及び光フアイバ増幅器
JPH05145161A (ja) * 1991-11-25 1993-06-11 Sumitomo Electric Ind Ltd 双方向励起型のフアイバアンプ
US5500756A (en) * 1992-02-28 1996-03-19 Hitachi, Ltd. Optical fiber transmission system and supervision method of the same
DE4305838A1 (de) * 1993-02-26 1994-09-01 Sel Alcatel Ag Mehrstufiger faseroptischer Verstärker
JP2546484B2 (ja) * 1993-04-13 1996-10-23 日本電気株式会社 光ファイバアンプ装置
JP2655468B2 (ja) * 1993-06-30 1997-09-17 日本電気株式会社 光ファイバアンプ
US5448586A (en) * 1993-09-20 1995-09-05 At&T Corp. Pumping arrangements for arrays of planar optical devices
US5430572A (en) * 1993-09-30 1995-07-04 At&T Corp. High power, high gain, low noise, two-stage optical amplifier
US5392154A (en) * 1994-03-30 1995-02-21 Bell Communications Research, Inc. Self-regulating multiwavelength optical amplifier module for scalable lightwave communications systems
US5457568A (en) * 1994-11-28 1995-10-10 At&T Corp. 980 NM pumped erbium fiber amplifier
JP2928149B2 (ja) * 1995-12-14 1999-08-03 日本電気株式会社 光ファイバ増幅装置
KR980013060A (ko) * 1996-07-15 1998-04-30 김광호 펌프파워를 분리하여 양방향 여기시켜 전송광을 증폭하는 광섬유 증폭장치

Also Published As

Publication number Publication date
FR2758664A1 (fr) 1998-07-24
ITMI980110A1 (it) 1999-07-22
JPH10209540A (ja) 1998-08-07
FR2758664B1 (fr) 2000-09-29
US6111686A (en) 2000-08-29

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Legal Events

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0001 Granted