CA2261509C - Methodes d'egalisation pour systemes wdm - Google Patents

Methodes d'egalisation pour systemes wdm Download PDF

Info

Publication number
CA2261509C
CA2261509C CA 2261509 CA2261509A CA2261509C CA 2261509 C CA2261509 C CA 2261509C CA 2261509 CA2261509 CA 2261509 CA 2261509 A CA2261509 A CA 2261509A CA 2261509 C CA2261509 C CA 2261509C
Authority
CA
Canada
Prior art keywords
terminal
parameter
channels
channel
adm
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
CA 2261509
Other languages
English (en)
Other versions
CA2261509A1 (fr
Inventor
Chris Wilhelm Barnard
Chung Yu Wu
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.)
Nortel Networks Ltd
Original Assignee
Nortel Networks Ltd
Nortel Networks 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 Nortel Networks Ltd, Nortel Networks Corp filed Critical Nortel Networks Ltd
Priority to CA 2261509 priority Critical patent/CA2261509C/fr
Publication of CA2261509A1 publication Critical patent/CA2261509A1/fr
Application granted granted Critical
Publication of CA2261509C publication Critical patent/CA2261509C/fr
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
    • H04B10/293—Signal power control
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2935—Signal power control considering the whole optical path with a cascade of amplifiers
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
CA 2261509 1999-02-11 1999-02-11 Methodes d'egalisation pour systemes wdm Expired - Fee Related CA2261509C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2261509 CA2261509C (fr) 1999-02-11 1999-02-11 Methodes d'egalisation pour systemes wdm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2261509 CA2261509C (fr) 1999-02-11 1999-02-11 Methodes d'egalisation pour systemes wdm

Publications (2)

Publication Number Publication Date
CA2261509A1 CA2261509A1 (fr) 2000-08-11
CA2261509C true CA2261509C (fr) 2002-07-02

Family

ID=4163286

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2261509 Expired - Fee Related CA2261509C (fr) 1999-02-11 1999-02-11 Methodes d'egalisation pour systemes wdm

Country Status (1)

Country Link
CA (1) CA2261509C (fr)

Also Published As

Publication number Publication date
CA2261509A1 (fr) 2000-08-11

Similar Documents

Publication Publication Date Title
US6115157A (en) Methods for equalizing WDM systems
US6040933A (en) Method and apparatus for channel equalization in wavelength division multiplexed systems
US6934479B2 (en) Wavelength division multiplexing optical communication system and wavelength division multiplexing optical communication method
US6400479B1 (en) Optical power balancer for optical amplified WDM networks
US7515829B2 (en) Wavelength division multiplexing optical transmission system
US7099595B2 (en) Optical wavelength multiplexing transmission apparatus and optical output control method for optical wavelength multiplexing transmission apparatus
US8045852B2 (en) Channel balancing algorithm
EP0903874B1 (fr) Procédé de mesure du malus de distortion dans des systèmes optiques avec charge de bruit
US7400830B2 (en) Quality monitoring method and apparatus for wavelength division multiplexed optical signal and optical transmission system using the same
EP0543570A2 (fr) Egaliseur pour système de transmission optique
US8055129B2 (en) Alien wavelength channel balancing and line amplifier optimization
US6456409B2 (en) Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified DWDM system
US6816681B2 (en) Analogous channel method for performance monitoring and equalization in optical networks
EP0903878B1 (fr) Technique de mesure du malus de distortion dans des systèmes optiques à base d'ajustement du niveau de signal
US6922532B2 (en) Optical performance monitoring for D/WDM networks
EP1538766B1 (fr) Dispositif de contrôle et méthode de transmission pour l'égalisation de canaux dans un système à multiplexage de longueurs d'ondes
US6944401B2 (en) Gain equalization in DWDM networks
US6643055B1 (en) Optical amplifier control
EP1134925B1 (fr) Système de transmission optique incluant l'optimisation des performances
CA2261509C (fr) Methodes d'egalisation pour systemes wdm
US20040208577A1 (en) Methods for in-service wavelength upgrade and system performance optimization in WDM optical networks
US20050013610A1 (en) Optical performance monitoring between terminal equipment and an optical interface to an optical submarine transmission line

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed