Self-alignment hybridization process and component

G - Physics – 03 – F

Patent

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G03F 9/00 (2006.01) G02B 6/42 (2006.01) G03C 5/00 (2006.01)

Patent

CA 2395635

A method of forming a hybrid optical component includes the steps of masking and etching a pattern on a core layer of a planar optical component to define at least one alignment element and an optical element and subsequently overcladding the optical element such that a passive platform is formed which exposes a surface of the optical element such as a waveguide and an alignment element for receiving a mirror image alignment element formed on an active platform including an active device, such as a laser. Hybrid components include a passive platform having an alignment element formed therein and a waveguide for receiving an active platform with a mating mirror image alignment element and an active device which aligns with the waveguide when the platforms are mated. Such a fabrication method and resulting optical component provide a highly efficient, self-aligning passive and active component platforms which greatly reduce the cost of fabrication of hybrid optical circuits as well as improve their reliability and reduce their cost.

L'invention concerne un procédé de fabrication d'un composant optique hybride qui consiste à masquer et à graver un motif sur une couche centrale d'un composant optique plan pour définir au moins un élément d'alignement et un élément optique, puis à gainer l'élément optique de façon qu'une plate-forme passive soit formée qui expose une surface de l'élément optique, tel qu'un guide d'ondes, et un élément d'alignement destiné à recevoir un élément d'alignement d'image miroir formé sur une plate-forme active comprenant un dispositif actif, tel qu'un laser. Des composants hybrides comprennent une plate-forme passive ayant un élément d'alignement formé à l'intérieur et un guide d'ondes servant à recevoir une plate-forme active assortie d'un élément d'alignement d'image miroir de couplage et un dispositif actif qui s'aligne avec le guide d'ondes lorsque les plate-formes sont couplées. Ce procédé de fabrication et le composant optique ainsi obtenu fournissent des plate-formes de composants passive et active à auto-alignement et très efficaces, qui diminuent fortement le coût de fabrication de circuits optiques hybrides et améliorent leur fiabilité et réduisent leur coût.

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