Optical bandpass filters based on electro-optically induced...

Details Optical bandpass filters based on electro-optically induced... Optical bandpass filters based on electro-optically induced...

G - Physics

02

F

G02F 1/01 (2006.01) G02F 1/035 (2006.01) G02F 1/1334 (2006.01)

Patent

CA 2488510

Disclosed is a pi-shifted optical grating device based on electro-optically induced waveguide gratings. The waveguide has a core (1) and a cladding (3) where the core or the cladding is made of an electro-optic material. A plurality of electrodes (9) are placed on one side of the waveguide and at least one electrode (11, 11') is placed on the other side of the waveguide. A voltage pattern is selectively applied to the electrode so that the pattern induces at least one pi-shifted grating in the waveguide when the pattern is applied.

L'invention concerne un dispositif de réseaux optiques à effet pi, basé sur des réseaux de guides d'ondes à induction électro-optique. Le guide d'ondes a une âme (1) et une enveloppe (3), ces deux éléments étant en matériau électro-optique. Une pluralité d'électrodes (9) est située sur une face du guide d'ondes et au moins une électrode (11, 11') est disposée sur l'autre face dudit guide d'ondes. Un modèle de tension est sélectivement appliqué à l'électrode, de sorte qu'il induit au moins un réseau à effet pi dans le guide d'ondes.

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