H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/08 (2006.01) H04B 10/17 (2006.01) H04B 10/18 (2006.01) H04J 14/02 (2006.01)
Patent
CA 2371686
Optical systems of the present invention generally include an optical signal controller disposed along an optical link between two optical nodes. The optical signal controller is configured to provide a monitoring signal from an optical signal passing between the nodes as a plurality of wavelength sub- bands at least one of which includes a plurality of signal channels. The controller generates compensating channels having optical powers that are a function of the monitoring signal power in the plurality of wavelength sub- bands or total power. The compensating channels are combined with the optical signal to compensate for power variations in the optical signal passing between the nodes. In addition, the compensating channels can be used to transmit communication or system supervisory information between monitoring points and/or nodes in the system.
La présente invention concerne des systèmes optiques comprenant généralement un organe de commande de signal optique implanté sur une liaison optique entre deux noeuds optiques. L'organe de commande est conçu pour produire un signal de contrôle à partir d'un signal optique passant entre les noeuds en tant que pluralité de sous-bandes de longueur d'onde dont l'une au moins comprend une pluralité de canaux de signalisation. L'organe de commande produit des canaux de compensation dont la puissance optique est fonction de la puissance du signal de contrôle dans la pluralité de sous-bandes de longueur d'onde ou de la puissance totale. Combinés avec le signal optique, les signaux de compensation compensent les variations de puissance du signal optique qui passe entre les noeuds. De plus, les signaux de compensation peuvent servir à transmettre une communication ou des informations de gestion entre des points de contrôle et/ou des noeuds du système.
Kelty Mark A.
Price Alistair J.
Stephens Thomas D.
Corvis Corporation
Ridout & Maybee Llp
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