Regulating radiation component power in wavelength division...

Details Regulating radiation component power in wavelength division... Regulating radiation component power in wavelength division...

H - Electricity

04

J

H04J 14/02 (2006.01) H04B 10/08 (2006.01) H04B 10/20 (2006.01)

Patent

CA 2438332

There is provided a method of, and apparatus for, regulating radiation component (wavelength channel) power in a wavelength division multiplexed (WDM) optical communications system (10). The system (10) comprises a plurality of nodes (20) interconnected through optical waveguides (30, 40) (optical fibres). The method is characterised by: passing one or more tokens (300) around the system from node to node; adjusting nodal settings (150, 170), such as optical attenuation, applied at each node to regulate the power of WDM radiation components at the node in response to receiving one or more tokens; and repeating the method until WDM radiation component power within the system is substantially regulated.

L'invention concerne un procédé et un appareil permettant de réguler la puissance d'une composante de rayonnement (canal de longueur d'onde) dans un système de communication optique multiplexé par répartition en longueur d'onde (MRL) (10). Ce système (10) comprend une pluralité de noeuds (20) reliés entre eux à travers des guides d'ondes (30, 40) (fibres optiques). Ce procédé consiste à faire passer au moins un jeton (300) dans le système de noeud à noeud, à ajuster les paramètres nodaux (150, 170), tels que l'atténuation optique, appliqués à chaque noeud pour réguler la puissance de composantes de rayonnement MRL au niveau du noeud en réponse à la réception d'au moins un jeton, et à répéter ce procédé jusqu'à ce que la puissance de la composante de rayonnement MRL dans le système soit sensiblement régulée.

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