Optical communications network

H - Electricity – 04 – B

Patent

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H04B 10/16 (2006.01) H04B 10/17 (2006.01) H04B 10/20 (2006.01)

Patent

CA 2063606

An optical communications network in which optical signals from a transmitter (T) are distributed to receivers (Ri) via an optical waveguide (2) and couplers (Ci) are amplified as they propagate along the waveguide (2). The amplifiers Ai are all pumped by a single optical pump source (4) coupled to the optical fibre (2) by a dichroic coupler (6). By using the optical waveguide (2) to distribute the pump power to the amplifiers Ai multiple optical pump sources are avoided.

L'invention est un réseau de communication optique dans lequel des signaux lumineux provenant d'un émetteur (T) sont transmis à des récepteurs (Ri) par l'intermédiaire de guides de lumière (2) et de coupleurs (Ci) et sont amplifiés au cours de la propagation dans le guide de lumière (2). Les amplificateurs Ai sont tous pompés par une même source à pompage optique (4) couplée à la fibre optique (2) par un coupleur dichroïque (6). En utilisant le guide de lumière (2) pour distribuer la puissance de pompage aux amplificateurs Ai, il n'est pas nécessaire d'utiliser plusieurs sources à pompage optique.

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