Switchable wavelength router

Details Switchable wavelength router Switchable wavelength router

H - Electricity

04

J

H04J 14/00 (2006.01) G02B 6/34 (2006.01) H04B 10/00 (2006.01) H04Q 11/00 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2276275

A switchable wavelength router (999) having an input port (11) for the incoming WDM signal (500) and two output ports (13, 14) for de-multiplexing the WDM signals (500). The router (999) divides the received optical signals into divided optical signals (101, 102) comprising a subset of the channels and spatially positions the divided optical signals in response to a control signal applied to the router (999). For example, the router (999) can divide a received WDM signal (500) into two subsets that are either single channel or WDM signals. Multiple routers (999) can be cascaded to form a 2n switchable wavelength router, where n is the number of stages of wavelength routers.

L'invention concerne un routeur (999) à commutation de longueurs d'onde comportant un port d'entrée (11) destiné au signal MRL entrant (500) et deux ports de sortie (13, 14) destinés au démultiplexage des signaux MRL (500). Le routeur (999) permet de diviser les signaux optiques reçus en signaux optiques divisés (101, 102) comportant un sous-ensemble de canaux, et de positionner spatialement les signaux optiques divisés en réponse à un signal de commande appliqué au routeur (999). Le routeur (999) est, par exemple, capable de diviser un signal MRL reçu (500) en deux sous-ensembles à canal unique ou constituant des signaux MRL. Des routeurs multiples (999) peuvent être aménagés en cascade pour former un routeur à commutation de longueurs d'onde 2?n¿, dans lequel n représente le nombre d'étages de routeurs de longueurs d'onde.

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