Wavelength division multiplexing systems

H - Electricity – 04 – J

Patent

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Details

H04J 14/00 (2006.01) H04B 10/16 (2006.01) H04B 10/17 (2006.01) H04B 10/18 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2344543

A long haul, broadband DWDM system that has been optimized by the proper selection of the distribution of total dispersion compensation. Dispersion compensation is utilized at both the receiver and the transmitter ends. System performance is dependent on the ratio of compensation split between the transmitter and the receiver. A system operated in the non-linear regime can be compensated to operate with low BER and with reduced penalties due to residual dispersion effects, even when the spread of the total accumulated dispersion between the extreme channels in a broadband system exceeds 1,000 ps/nm.

L'invention concerne un système DWDM (de multiplexage en longueur d'onde dense) à large bande et de grande distance optimisé grâce à la sélection appropriée de la distribution de la compensation de dispersion totale. La compensation de dispersion est utilisée au niveau du récepteur et de l'émetteur. La performance du système dépend du ratio de répartition de compensation entre l'émetteur et le récepteur. Un système exploité en régime non linéaire peut être compensé pour fonctionner à un faible taux d'erreur binaire et avec des pénalités réduites en raison d'effets de dispersion résiduels, même lorsque l'écart de la dispersion totale accumulée entre les canaux d'extrémité d'un système à large bande dépasse 1100 ps/nm.

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