Method and apparatus for aligning optical waveguide arrays

G - Physics – 02 – B

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G02B 6/10 (2006.01) G02B 6/12 (2006.01) G02B 6/26 (2006.01) G02B 6/30 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2313463

A method and apparatus for providing an improved coupling between waveguides of an integrated optical waveguide circuit component (20) and waveguides of an optical fiber array (22). The circuit component (20) and optical fiber array (22) are aligned and adjusted relative to each other while sensing the total optical power outputted from all of the optical fibers of the array (24). An integrating sphere (44) is utilized to sum the individual optical power outputs of all of the optical fibers and an autoalignment system (52) is used to adjust the relevant position of the component (20) and the fiber array (22) to maximize the total optical power outputted from the fibers into the integrating sphere (44).

La présente invention concerne un procédé et un dispositif de couplage amélioré entre des guides d'ondes d'un composant de circuit intégré de guides d'ondes (20) et des guides d'ondes d'un réseau de fibres optiques (22). Le composant de circuit (20) et le réseau de fibres optiques (22) sont alignés et ajustés relativement l'un par rapport à l'autre tout en captant la puissance optique totale provenant de toutes les fibres optiques du réseau (24). Une sphère d'intégration (44) est utilisée afin de faire la sommation des sorties de puissance optique individuelle de toutes le fibres optiques et un système d'auto-alignement permet d'ajuster les positions du composant (20) et du réseau de fibres (22) de manière à maximiser la puissance optique totale émise par les fibres dans la sphère d'intégration (44).

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