FR2714189B1 - Amplificateur à fibres optiques. - Google Patents

Amplificateur à fibres optiques.

Info

Publication number
FR2714189B1
FR2714189B1 FR9408064A FR9408064A FR2714189B1 FR 2714189 B1 FR2714189 B1 FR 2714189B1 FR 9408064 A FR9408064 A FR 9408064A FR 9408064 A FR9408064 A FR 9408064A FR 2714189 B1 FR2714189 B1 FR 2714189B1
Authority
FR
France
Prior art keywords
fiber optic
optic amplifier
amplifier
fiber
optic
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
FR9408064A
Other languages
English (en)
Other versions
FR2714189A1 (fr
Inventor
Takanori Maki
Kenji Ohta
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2714189A1 publication Critical patent/FR2714189A1/fr
Application granted granted Critical
Publication of FR2714189B1 publication Critical patent/FR2714189B1/fr
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
    • H01S3/09—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
    • H01S3/09—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
    • H01S3/09408—Pump redundancy
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4012—Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
FR9408064A 1993-12-17 1994-06-30 Amplificateur à fibres optiques. Expired - Lifetime FR2714189B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5318360A JPH07176813A (ja) 1993-12-17 1993-12-17 光ファイバ増幅器

Publications (2)

Publication Number Publication Date
FR2714189A1 FR2714189A1 (fr) 1995-06-23
FR2714189B1 true FR2714189B1 (fr) 1996-03-08

Family

ID=18098287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9408064A Expired - Lifetime FR2714189B1 (fr) 1993-12-17 1994-06-30 Amplificateur à fibres optiques.

Country Status (4)

Country Link
US (1) US5581397A (fr)
JP (1) JPH07176813A (fr)
FR (1) FR2714189B1 (fr)
GB (1) GB2284926B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0918411A (ja) * 1995-06-27 1997-01-17 Fujitsu Ltd 光中継器
JP4036489B2 (ja) * 1995-08-23 2008-01-23 富士通株式会社 波長多重信号を光増幅する光増幅器を制御するための方法と装置
JP3597267B2 (ja) * 1995-09-26 2004-12-02 富士通株式会社 冗長性を有する光中継器
JP3250428B2 (ja) * 1995-09-28 2002-01-28 三菱電機株式会社 光増幅装置
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
FR2747868B1 (fr) * 1996-04-18 1998-05-15 Alcatel Submarcom Montage a deux amplificateurs optiques, notamment pour repeteur d'un systeme de telecommunication par voie sous-marine
DE69737019T2 (de) * 1996-06-03 2007-05-31 Scientific-Atlanta, Inc. Gerät zum automatischen detektieren der leitungsverstärkerkonfiguration zur zustandsüberwachung
DK129396A (da) * 1996-11-15 1998-05-16 Dsc Communications As Optisk forstærker og fremgangsmåde til forhindring af, at der fra en sådan udsendes optisk effekt, som overstiger en foresk
US5847865A (en) * 1997-02-18 1998-12-08 Regents Of The University Of Minnesota Waveguide optical amplifier
US6236777B1 (en) 1997-05-13 2001-05-22 Pirelli Cavi E Sistemi S.P.A. Reliability of an optical communication system and of an optical amplifying system, and a method suitable to this aim
EP0878927B1 (fr) * 1997-05-13 2005-03-16 PIRELLI SUBMARINE TELECOM SYSTEMS ITALIA S.p.A. Amélioration de la fiabilité d'un système de communication optique et d'une méthode approprée à cet effèt
WO1998052305A1 (fr) * 1997-05-16 1998-11-19 Scientific-Atlanta, Inc. Alimentation en puissance optique redondante pour tele pompage de modules de gain de fibre optique
US6433926B2 (en) 1997-11-14 2002-08-13 Dsc Communications A/S Optical amplifier and a method of preventing emission therefrom of optical power exceeding a prescribed safety limit
US6327077B1 (en) * 1998-09-29 2001-12-04 Nec Corporation Optical direct amplifier device and bidirectionally pumped optical direct amplifier device
US6381065B1 (en) * 1999-03-26 2002-04-30 Tycom (Us) Inc. Optical pump unit for an optical amplifier
JP4626918B2 (ja) 2001-03-02 2011-02-09 富士通株式会社 ラマン光増幅中継器
US20030081307A1 (en) * 2001-09-28 2003-05-01 Fludger Christopher R. Raman amplification
US6748136B2 (en) * 2002-03-15 2004-06-08 Fitel Usa Corp. Wide band Raman amplifiers
EP1788731B1 (fr) * 2005-11-21 2011-06-22 Alcatel Lucent Système de transmission optique et ensemble filtre optique pour applications sous-marines
CN117375724B (zh) * 2023-12-06 2024-03-19 华海通信技术有限公司 一种水下设备以及通信系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1231379B (it) * 1989-07-21 1991-12-02 Pirelli Cavi Spa Linea di telecomunicazioni a fibre ottiche incorporante amplificatori dei segnali trasmessi ed amplificatori per detta linea
JP2649737B2 (ja) * 1990-07-05 1997-09-03 国際電信電話株式会社 光増幅器の励起光源駆動方式
AU648365B2 (en) * 1990-12-24 1994-04-21 Alcatel N.V. Optical amplifier
US5268786A (en) * 1991-03-15 1993-12-07 Mitsubishi Denki Kabushiki Kaisha Optical fiber amplifier and its amplification method
JP2806092B2 (ja) * 1991-08-28 1998-09-30 日本電気株式会社 光増幅器
US5173957A (en) * 1991-09-12 1992-12-22 At&T Bell Laboratories Pump redundancy for optical amplifiers
EP0768766B1 (fr) * 1991-11-08 2001-07-04 Mitsubishi Denki Kabushiki Kaisha Système de répéteur avec amplificateurs à fibres optiques
JP2725109B2 (ja) * 1992-03-06 1998-03-09 富士通株式会社 光増幅装置
US5343320A (en) * 1992-08-03 1994-08-30 At&T Bell Laboratories Pump laser control circuit for an optical transmission system
US5241414A (en) * 1992-08-21 1993-08-31 At&T Bell Laboratories Fault tolerant optical amplifier arrangement
GB2272102B (en) * 1992-10-30 1996-02-07 Northern Telecom Ltd Optical amplifier
US5287216A (en) * 1992-12-14 1994-02-15 Gte Laboratories Incorporated Fiber amplifier with multiple pumps

Also Published As

Publication number Publication date
FR2714189A1 (fr) 1995-06-23
GB2284926A (en) 1995-06-21
US5581397A (en) 1996-12-03
GB9413186D0 (en) 1994-08-24
JPH07176813A (ja) 1995-07-14
GB2284926B (en) 1997-07-16

Similar Documents

Publication Publication Date Title
FR2720198B1 (fr) Laser à fibre optique polarisé linéairement.
FR2699689B1 (fr) Connecteur de fibres optiques.
FR2661502B1 (fr) Detecteur a fibres optiques.
DE69006145D1 (de) Faseroptische Spleisseinheit.
DE69521302D1 (de) Gewinngesteuerter faseroptischer verstärker
DE69432625D1 (de) Faseroptische verbindungsanordnung
DE59407668D1 (de) Mehrstufiger faseroptischer Verstärker
FR2714189B1 (fr) Amplificateur à fibres optiques.
IT1290943B1 (it) Amplificatore a fibra ottica drogata con er.
DE59406688D1 (de) Optischer Faserverstärker
DE69231651D1 (de) Fiberoptischer Spleiss
DE69224479D1 (de) Lichtleitfaserspleiss
FR2689632B1 (fr) Detecteur a fibre optique de contraintes.
DE69220648D1 (de) Faseroptischer Verstärker
FR2709346B1 (fr) Gyroscope à fibre optique.
FR2687801B1 (fr) Cassette de fibres optiques.
DE69520547D1 (de) Faseroptischer Verstärker
FR2705782B1 (fr) Hydrophone plan à fibres optiques.
DE69006154D1 (de) Faseroptische Spleisseinheit.
DE59400655D1 (de) Faseroptischer Verstärker
DE69121768D1 (de) Faseroptischer Verstärker
FR2659750B1 (fr) Cable a fibre optique.
FR2744307B1 (fr) Amplificateur a fibre optique
DK137691D0 (da) Optisk fiberforstaerker
DK220690D0 (da) Optisk fiberforstaerker