Fiber break detection in the presence of raman amplification

Details Fiber break detection in the presence of raman amplification Fiber break detection in the presence of raman amplification

H - Electricity

01

S

H01S 3/00 (2006.01) H04B 10/08 (2006.01)

Patent

CA 2601743

An optical communications system initiates automatic power reduction by selecting a portion of a Raman optical pumping signal from optical signals propagating on an optical fiber span. A signal related to a magnitude of the selected portion of the Raman optical pumping signal is generated. Power of at least one of the optical data signals and the optical pumping signals propagating in the optical fiber span is reduced in response to the generated signal.

L'invention porte sur un système de communications optiques visant à réduire automatiquement la consommation électrique et qui, pour cela, sélectionne dans les signaux optiques se propageant sur un tronçon de fibres optiques une partie d'un signal de pompage optique par effet Raman. Il y a donc génération d'un signal en rapport à la grandeur de la partie sélectionnée du signal de pompage optique par effet Raman. La puissance d'au moins un des signaux de données optiques et des signaux de pompage optiques se propageant dans le tronçon de fibres optiques est réduite en réaction au signal généré.

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