Optically powered and controlled optical switch

H - Electricity – 04 – B

Patent

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Details

H04B 10/02 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2479299

Systems and methods are described for optically powered and controlled optical switches. A method includes powering an optical switch with a communications data signal; and controlling the optical switch with the communications data signal. An apparatus includes a primary optical input port; a secondary optical input port; an optical tap coupled to the primary optical input port; an optical switch coupled to the optical tap and to the secondary optical input port; an optical-to-electrical signal converter coupled to the optical tap; a control circuit coupled to the optical-to-electrical signal converter and to the optical switch; an electrical energy storage circuit coupled to the control circuit; an optical-to-electrical power converter coupled to the electrical energy storage circuit and to the optical switch; and an optical output port coupled to the optical switch, wherein the optical-to-electrical signal converter can transform, to electrical energy, optical energy from a communications data signal that arrives at the optical tap.

L'invention concerne des systèmes et des procédés pour l'activation et la commande optique de commutateurs optiques. On décrit un procédé qui consiste à activer un commutateur optique au moyen d'un signal de données relatives aux communications et à commander ce commutateur par le biais du même signal. Le dispositif correspondant comprend: une entrée optique primaire; une entrée optique secondaire; une prise optique couplée à l'entrée primaire; un commutateur optique couplé à la prise optique et à l'entrée secondaire; un convertisseur de signal optique en signal électrique couplé à la prise optique; un circuit de commande couplé au convertisseur et au commutateur optique; un circuit de stockage d'énergie électrique couplé au circuit de commande; un convertisseur de puissance optique en puissance électrique couplé au circuit de stockage et au commutateur optique; et une sortie optique couplée au commutateur optique. En l'occurrence, le convertisseur de signal peut transformer en énergie électrique l'énergie optique d'un signal de données relative aux communications reçu à la prise optique.

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