G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/134 (2006.01) G02B 6/122 (2006.01) G02B 6/12 (2006.01)
Patent
CA 2431797
The invention concerns a waveguide comprising a channel (12) on an optical substrate (11), the refractive index of said channel being higher than that of the substrate. Said waveguide comprises at least a guide layer (13) provided on the channel, the index of said guide layer being higher than that of the substrate. In addition, the channel (12) is integrated in the substrate (11). Advantageously, the guide further comprises a covering layer (14) arranged on the guide layer (13), the index of said covering layer being less than that of the guide layer and that of the channel. The invention also concerns a method for making said waveguide.
L'invention présente un guide d'onde comportant un canal (12) sur un substrat optique (11), l'indice de réfraction de ce canal étant supérieur à celui du substrat. Ce guide d'onde comporte au moins une couche guidante (13) agencée sur le canal, l'indice de cette couche guidante étant supérieur à celui du substrat. De plus, le canal (12) est intégré dans le substrat (11). Avantageusement, le guide comporte de plus une couche de recouvrement (14) disposée sur la couche guidante (13), l'indice de cette couche de recouvrement étant inférieur à celui de la couche guidante et à celui du canal. L'invention vise également une méthode de fabrication de ce guide d'onde.
Drouard Emmanuel
Escoubas Ludovic
Flory Francois
Roux Laurent
Tisserand Stephane
Ion Beam Services
Robic
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