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CA2235915A1 - Systeme de commande d'amplification de signal optique - Google Patents

Systeme de commande d'amplification de signal optique Download PDF

Info

Publication number
CA2235915A1
CA2235915A1 CA002235915A CA2235915A CA2235915A1 CA 2235915 A1 CA2235915 A1 CA 2235915A1 CA 002235915 A CA002235915 A CA 002235915A CA 2235915 A CA2235915 A CA 2235915A CA 2235915 A1 CA2235915 A1 CA 2235915A1
Authority
CA
Canada
Prior art keywords
wavelength
multiplexed
control system
different wavelengths
amplification control
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.)
Abandoned
Application number
CA002235915A
Other languages
English (en)
Inventor
Masanao Amimoto
Hiroshi Harano
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
Individual
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 Individual filed Critical Individual
Publication of CA2235915A1 publication Critical patent/CA2235915A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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
    • H04B10/07—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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
CA002235915A 1997-04-25 1998-04-24 Systeme de commande d'amplification de signal optique Abandoned CA2235915A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9121505A JPH10303821A (ja) 1997-04-25 1997-04-25 光信号増幅伝送方式
JP09-121505 1997-04-25

Publications (1)

Publication Number Publication Date
CA2235915A1 true CA2235915A1 (fr) 1998-10-25

Family

ID=14812863

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002235915A Abandoned CA2235915A1 (fr) 1997-04-25 1998-04-24 Systeme de commande d'amplification de signal optique

Country Status (4)

Country Link
JP (1) JPH10303821A (fr)
CA (1) CA2235915A1 (fr)
FR (1) FR2762733A1 (fr)
GB (1) GB2324667B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3166695B2 (ja) 1998-01-05 2001-05-14 日本電気株式会社 波長分割多重送信装置
KR100322125B1 (ko) 1999-01-14 2002-02-04 윤종용 배열격자도파로 모듈 및 이를 이용한 광신호 모니터링 장치
KR20010003638A (ko) * 1999-06-24 2001-01-15 윤종용 파장분할다중 광섬유증폭기의 채널 수에 대응한 출력 안정화장치 및 방법
GB2360654A (en) 2000-03-25 2001-09-26 Marconi Comm Ltd Power controlling network element for adding new channels in a controlled manner
GB2362525B (en) * 2000-05-18 2002-07-24 Marconi Comm Ltd Radiation power equalization in wavelength division multiplexing (WDM) optical communication system
GB2366925A (en) * 2000-09-13 2002-03-20 Marconi Comm Ltd Power control and equalisation in an optical WDM system
JP4074750B2 (ja) * 2001-02-20 2008-04-09 株式会社日立製作所 光増幅装置及びその利得特性モニタ方法
US6826331B2 (en) * 2001-09-28 2004-11-30 Bookham Technology Plc Method of extracting spectral parameters of channels from non-channelized light
WO2007138649A1 (fr) 2006-05-25 2007-12-06 Mitsubishi Electric Corporation Dispositif de relais optique et systeme de transmission à relais optique
JP4864771B2 (ja) * 2007-03-06 2012-02-01 日本電信電話株式会社 光信号モニタ装置、光システム及び光信号モニタ方法
CN101926115B (zh) 2008-01-22 2013-12-11 三菱电机株式会社 光传送系统以及中继装置
JP5858465B2 (ja) * 2011-12-19 2016-02-10 富士通株式会社 光通信装置、波長数測定装置、光中継装置、および波長数測定方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2280561B (en) * 1993-07-31 1997-03-26 Northern Telecom Ltd Optical transmission system
JP3379052B2 (ja) * 1994-09-26 2003-02-17 富士通株式会社 波長多重光増幅装置及び光波長多重伝送システム及び光波長多重伝送方法
JPH09185091A (ja) * 1995-12-28 1997-07-15 Nec Corp 波長多重光伝送装置
JP2910667B2 (ja) * 1996-04-09 1999-06-23 日本電気株式会社 線形中継光増幅伝送装置
JPH09321701A (ja) * 1996-05-31 1997-12-12 Fujitsu Ltd 光通信システム及び光増幅器
JP2904131B2 (ja) * 1996-07-04 1999-06-14 日本電気株式会社 波長多重光増幅装置と波長多重光伝送装置

Also Published As

Publication number Publication date
JPH10303821A (ja) 1998-11-13
GB9808861D0 (en) 1998-06-24
FR2762733A1 (fr) 1998-10-30
GB2324667A (en) 1998-10-28
GB2324667B (en) 1999-06-16

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued