DE69121768D1 - Faseroptischer Verstärker - Google Patents

Faseroptischer Verstärker

Info

Publication number
DE69121768D1
DE69121768D1 DE69121768T DE69121768T DE69121768D1 DE 69121768 D1 DE69121768 D1 DE 69121768D1 DE 69121768 T DE69121768 T DE 69121768T DE 69121768 T DE69121768 T DE 69121768T DE 69121768 D1 DE69121768 D1 DE 69121768D1
Authority
DE
Germany
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 - Fee Related
Application number
DE69121768T
Other languages
English (en)
Other versions
DE69121768T2 (de
Inventor
Kenji Tagawa
Shinya Inagaki
Keiko Takeda
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
Priority claimed from JP2126859A external-priority patent/JP2801359B2/ja
Priority claimed from JP12686090A external-priority patent/JP2732931B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69121768D1 publication Critical patent/DE69121768D1/de
Application granted granted Critical
Publication of DE69121768T2 publication Critical patent/DE69121768T2/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
    • 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • H01S3/1302—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by all-optical means, e.g. gain-clamping
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S372/00—Coherent light generators
    • Y10S372/703—Optical isolater
DE69121768T 1990-05-18 1991-05-17 Faseroptischer Verstärker Expired - Fee Related DE69121768T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2126859A JP2801359B2 (ja) 1990-05-18 1990-05-18 エルビウムドープファイバ光増幅器
JP12686090A JP2732931B2 (ja) 1990-05-18 1990-05-18 光ファイバ増幅器

Publications (2)

Publication Number Publication Date
DE69121768D1 true DE69121768D1 (de) 1996-10-10
DE69121768T2 DE69121768T2 (de) 1997-02-06

Family

ID=26462959

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121768T Expired - Fee Related DE69121768T2 (de) 1990-05-18 1991-05-17 Faseroptischer Verstärker

Country Status (4)

Country Link
US (1) US5140598A (de)
EP (1) EP0457349B1 (de)
CA (1) CA2042697C (de)
DE (1) DE69121768T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514686B1 (de) * 1991-05-18 1995-08-16 Alcatel SEL Aktiengesellschaft 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
JP2693662B2 (ja) * 1991-07-16 1997-12-24 株式会社東芝 光増幅装置
GB2264015A (en) * 1992-02-01 1993-08-11 Northern Telecom Ltd Optically pumped optical fibre amplifiers
DE4229292C2 (de) * 1992-09-02 1998-03-19 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit einem Leistungsbegrenzer für Riesenimpulse
DE4215338A1 (de) * 1992-05-09 1993-11-11 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit Überwachungsvorrichtung zur Vermeidung von Riesenimpulsen
DE4222208A1 (de) * 1992-07-07 1994-01-13 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit optischem Filter zum Schutz vor Riesenimpulsen
IL106766A (en) * 1992-08-28 1995-12-31 Hughes Aircraft Co Two-way sebo-optical amplifier for missile guidance data channel repeater
US5434876A (en) * 1992-10-23 1995-07-18 At&T Bell Laboratories Article comprising an optical waveguide laser
JP3244579B2 (ja) * 1993-12-17 2002-01-07 富士通株式会社 光ファイバ増幅器
KR100243313B1 (ko) * 1994-05-11 2000-02-01 윤종용 청록색 레이저 발진방법 및 소자 그리고 이를 적용한 장치
US5761234A (en) 1996-07-09 1998-06-02 Sdl, Inc. High power, reliable optical fiber pumping system with high redundancy for use in lightwave communication systems
WO1999009350A1 (en) * 1997-08-20 1999-02-25 Seng Kong Chuan Day and night global solar lighting grid
US6490077B1 (en) 2000-11-20 2002-12-03 Corning Incorporated Composite optical amplifier
US9112329B2 (en) * 2013-07-24 2015-08-18 Massachusetts Institute Of Technology Thulium laser

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3584091D1 (de) * 1984-10-01 1991-10-17 Polaroid Corp Verstaerker fuer optischen wellenleiter und laser.
DE189196T1 (de) * 1985-01-25 1986-11-27 Polaroid Corp., Cambridge, Mass. Ramanverstaerktes filterabzweigungssystem.
JPS6461076A (en) * 1987-09-01 1989-03-08 Fujikura Ltd Optical fiber laser
US4835778A (en) * 1987-09-30 1989-05-30 Spectra-Physics, Inc. Subpicosecond fiber laser
JPH01143380A (ja) * 1987-11-30 1989-06-05 Fujikura Ltd ファイバレーザ用光ファイバ
US4962995A (en) * 1989-06-16 1990-10-16 Gte Laboratories Incorporated Glasses for high efficiency erbium (3+) optical fiber lasers, amplifiers, and superluminescent sources

Also Published As

Publication number Publication date
EP0457349B1 (de) 1996-09-04
CA2042697A1 (en) 1991-11-19
US5140598A (en) 1992-08-18
EP0457349A2 (de) 1991-11-21
CA2042697C (en) 1994-08-16
DE69121768T2 (de) 1997-02-06
EP0457349A3 (en) 1992-07-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee