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DE69601835D1 - Faseroptischer Verstärker - Google Patents

Faseroptischer Verstärker

Info

Publication number
DE69601835D1
DE69601835D1 DE69601835T DE69601835T DE69601835D1 DE 69601835 D1 DE69601835 D1 DE 69601835D1 DE 69601835 T DE69601835 T DE 69601835T DE 69601835 T DE69601835 T DE 69601835T DE 69601835 D1 DE69601835 D1 DE 69601835D1
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 - Lifetime
Application number
DE69601835T
Other languages
English (en)
Other versions
DE69601835T2 (de
Inventor
Kenichi Yoneyama
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.)
NEC Corp
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
Application granted granted Critical
Publication of DE69601835D1 publication Critical patent/DE69601835D1/de
Publication of DE69601835T2 publication Critical patent/DE69601835T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01S3/09—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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • 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
    • 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
    • H01S3/094038—End pumping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
DE69601835T 1995-07-06 1996-06-28 Faseroptischer Verstärker Expired - Lifetime DE69601835T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7170578A JP2748891B2 (ja) 1995-07-06 1995-07-06 光増幅器

Publications (2)

Publication Number Publication Date
DE69601835D1 true DE69601835D1 (de) 1999-04-29
DE69601835T2 DE69601835T2 (de) 1999-10-21

Family

ID=15907440

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69601835T Expired - Lifetime DE69601835T2 (de) 1995-07-06 1996-06-28 Faseroptischer Verstärker

Country Status (4)

Country Link
US (1) US5801877A (de)
EP (1) EP0753913B1 (de)
JP (1) JP2748891B2 (de)
DE (1) DE69601835T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999016193A1 (fr) * 1997-09-19 1999-04-01 Hitachi, Ltd. Equipements et systeme de transmission optique
US6335823B2 (en) 1997-10-17 2002-01-01 Fujitsu Limited Optical amplifier for use in optical communications equipment
JPH11121849A (ja) * 1997-10-17 1999-04-30 Fujitsu Ltd 光通信装置における光増幅器
EP0981212A1 (de) * 1998-08-14 2000-02-23 Telefonaktiebolaget Lm Ericsson Wegüberwachung in optischen Übertragungssystemen
US6731428B2 (en) * 2001-11-21 2004-05-04 Lucent Technologies Inc. Pump monitoring and control in a fiber Raman amplifier
US20040017603A1 (en) * 2002-07-29 2004-01-29 Paul Jay Optical amplifier controller
US7689130B2 (en) * 2005-01-25 2010-03-30 Koninklijke Philips Electronics N.V. Method and apparatus for illumination and communication
JP2010177346A (ja) * 2009-01-28 2010-08-12 Nippon Telegr & Teleph Corp <Ntt> 光増幅器及び光増幅方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59135939A (ja) * 1983-01-25 1984-08-04 Canon Inc 光通信方式
US5229876A (en) * 1990-03-26 1993-07-20 At&T Bell Laboratories Telemetry for optical fiber amplifier repeater
JPH043028A (ja) * 1990-04-20 1992-01-08 Nec Corp 光中継器
JP2626286B2 (ja) * 1991-01-31 1997-07-02 日本電気株式会社 光中継器監視制御信号伝送方式
US5226051A (en) * 1991-06-04 1993-07-06 Lightwave Electronics Laser pump control for output power stabilization
JP3425964B2 (ja) * 1992-03-19 2003-07-14 富士通株式会社 誘導ブリルアン散乱を用いた光信号生成装置及び光伝送システム
US5383046A (en) * 1992-05-29 1995-01-17 Fujitsu Limited Supervisory and control signal transmitting system for use in optically amplifying repeaters system
JP2546152B2 (ja) * 1993-06-15 1996-10-23 日本電気株式会社 光変調増幅器
US5394265A (en) * 1993-10-25 1995-02-28 At&T Corp. In-line two-stage erbium doped fiber amplifier system with in-band telemetry channel
JP3353047B2 (ja) * 1994-05-25 2002-12-03 安藤電気株式会社 光増幅器

Also Published As

Publication number Publication date
DE69601835T2 (de) 1999-10-21
EP0753913A1 (de) 1997-01-15
JPH0923033A (ja) 1997-01-21
EP0753913B1 (de) 1999-03-24
US5801877A (en) 1998-09-01
JP2748891B2 (ja) 1998-05-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition