Fiber-to-the-premise architectures

Details Fiber-to-the-premise architectures Fiber-to-the-premise architectures

G - Physics

02

B

G02B 6/28 (2006.01)

Patent

CA 2556787

An optical architecture is provided comprising a plurality of mod/mux units, a master optical distribution hub, a plurality of additional optical distribution hubs, and a plurality of premise stations. Each of the mod/mux units is configured to (i) permit selective modulation of demultiplexed components of a target wavelength band of an optical signal, (ii) multiplex the selectively modulated optical signal, and (iii) direct the multiplexed signal to the master optical distribution hub. The master optical distribution hub is configured to distribute multiplexed signals from respective ones of the mod/mux units to corresponding ones of the plurality of additional optical distribution hubs. Each of the plurality of additional optical distribution hubs comprises an arrayed waveguide grating configured to demultiplex the multiplexed optical signal and distribute respective distinct wavelength portions of the target wavelength band to respective ones of the premise stations.

L'invention concerne une architecture optique comprenant plusieurs unités mod/mux, un centre de distribution optique principal, plusieurs centres de distribution optique additionnels, et plusieurs postes internes. Chaque unité mod/mux est conçue pour: (i) permettre une modulation sélective de composants démultiplexés d'une bande de longueur d'onde cible d'un signal optique, (ii) multiplexer le signal optique modulé de manière sélective, et (iii) diriger le signal multiplexé vers le centre de distribution optique principal, ce dernier étant configuré pour distribuer des signaux multiplexés à partir des unités mod/mux respectives aux unités correspondantes des centres de distribution optique additionnels, dont chacun comprend un réseau de guides d'onde conçu pour démultiplxer le signal optique multiplexé et distribuer les parties de longueur d'onde correspondantes de la bande de longueur d'onde cible à celles des postes internes respectifs.

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