Coherent augmented optical add-drop multiplexer

Details Coherent augmented optical add-drop multiplexer Coherent augmented optical add-drop multiplexer

H - Electricity

04

J

H04J 14/02 (2006.01) H04Q 11/02 (2006.01)

Patent

CA 2740901

In an Optical Add-Drop Multiplexer, a drop section comprises a Wavelength Selective Switch (WSS) having at least one drop-port, the WSS being operative to couple a respective set of w (where w > 1) wavelength channels from a received Wavelength Division Multiplexed (WDM) signal to each drop port. A respective 1:s power splitter is associated with each drop port. Each power splitter supplies the respective set of channels received from its drop port to each one of a corresponding set of coherent receivers. Each coherent receiver operates to receive a selected one of the respective set of channels.

Dans un multiplexeur à insertion-extraction optique, une section dextraction comprend un commutateur sélectif de longueur donde (WSS) ayant au moins un port dextraction, le commutateur WSS fonctionnant pour coupler un ensemble respectif de w (avec w > 1) canaux de longueur donde dun signal multiplexé par répartition en longueur donde (WDM) à chaque port dextraction. Un répartiteur de puissance 1/s respectif est associé à chaque port dextraction. Chaque répartiteur de puissance fournit lensemble respectif de canaux reçus de son port dextraction à chaque récepteur d'un ensemble correspondant de récepteurs cohérents. Chaque récepteur cohérent fonctionne pour recevoir un canal sélectionné de lensemble respectif de canaux.

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