Optical waveguide device including an electrical capacitive...

G - Physics – 02 – F

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G02F 1/01 (2006.01) G02F 1/35 (2006.01) G02F 1/355 (2006.01)

Patent

CA 2296682

An optical device includes a waveguiding configuration (21) and an electrical capacitive configuration wherein the capacitive configuration comprises glass electrode region(s) (13) and glass dielectric region(s) (14) with electrical leads (19, 20) e.g. metallic conductors, for applying electrical control signals to the electrode region(s) (13). The preferred metals for the conductors are Ni, Ti and Au. The waveguiding structural (21) is configured so that the fields associated with optical signals propagating therein interact with region(s) (13). During the use of the device control signals are applied to the region(s) (13) by means of the electrical leads (19, 20). The control signals have the effect that temporary electrical fields are applied to the region(s) (13). The fields change the optical properties of the region(s) (13) and this affects the propagation of the optical signals. The device can either be produced in planar or fibre configurations.

L'invention concerne un dispositif optique. Ce dispositif présente une configuration de guide d'ondes (21) et une configuration capacitive électrique qui comprend des zones d'électrodes de verre (13) et des zones diélectriques de verre (14) avec des conducteurs électriques (19, 20), par exemple, des conducteurs métalliques pour appliquer des signaux de commande électrique aux zones d'électrodes (13). Les métaux préférés pour les conducteurs sont le Ni, Ti et l'Au. La structure de guide d'ondes (21) est configurée de telle sorte que les champs associés aux signaux optiques se propageant dans ce dernier exercent une interaction avec les zones (13). Pendant l'utilisation du dispositif, des signaux de commande sont appliqués aux zones (13) à l'aide des conducteurs électriques (19, 20). Les signaux de commande provoquent l'application de champs électriques temporaires aux zones (13). Les champs modifient les propriétés optiques des zones (13) ce qui affecte la propagation des signaux optiques. Il est possible de produire ce dispositif avec des configurations planes ou à fibres.

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