Semiconductor optical component with a mode adaptor

G - Physics – 02 – B

Patent

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G02B 6/12 (2006.01) G02B 6/122 (2006.01) G02B 6/30 (2006.01) G02B 6/42 (2006.01) H01L 31/0232 (2006.01) H01L 33/00 (2006.01) H01S 5/10 (2006.01)

Patent

CA 2290147

L'invention concerne un composant optique à semi-conducteur comportant un adaptateur de mode permettant d'assurer le déconfinement du mode optique. Ce composant comporte un guide d'onde actif (24) et un guide d'onde passif (22) superposés et enterrés dans une couche de gaine (27). Il est caractérisé en ce qu'il comprend successivement: une section de couplage évanescent (SC), dans laquelle la largeur du guide d'onde actif (24) décroît et la largeur du guide d'onde passif (22) augmente ; et une section d'expansion de mode (SE) comprenant uniquement le guide d'onde passif (22) dont la largeur décroît.

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