A tunable micro-ring filter for optical wdm/dwdm communication

Details A tunable micro-ring filter for optical wdm/dwdm communication A tunable micro-ring filter for optical wdm/dwdm communication

G - Physics

02

F

G02F 1/313 (2006.01) G02F 1/01 (2006.01) G02F 1/35 (2006.01)

Patent

CA 2510573

A technique for implementing a tunable micro-ring filter is disclosed. According to an embodiment of the present invention, a tunable filter for optical communication systems comprises a first waveguide (110) forming a pattern with a second waveguide (112); a resonator (114) coupled to the first waveguide (110) and the second waveguide (112) wherein the resonator (114) comprises a nonlinear optical material; an electrode structure (214, 216) sandwiching the first waveguide (110), the second waveguide (112) and the resonator (114); the electrode structure (214, 216) adapted for receiving a tuning signal and tuning an effective index of the resonator in response to the tuning signal; and a substrate (130) supporting the first waveguide (110), the second waveguide (112), the resonator (114) and the electrode structure (214, 216).

Cette invention se rapporte à une technique de mise en oeuvre d'un filtre accordable à micro-disque. Dans un mode de réalisation de cette invention, un filtre accordable pour systèmes de communications optiques comprend un premier guide d'onde (110) formant un motif avec un second guide d'onde (112) ; un résonateur (114) couplé au premier guide d'onde (110) et au second guide d'onde (112) et comportant un matériau optique non linéaire ; et une structure d'électrode (214, 216) prenant en sandwich le premier guide d'onde (110), le second guide d'onde (112) et le résonateur (114), cette structure d'électrodes (214, 216) étant conçue pour recevoir un signal d'accordage et accordant l'indice effectif du résonateur en réponse au signal d'accordage ; ainsi qu'un substrat (130) servant de support au premier guide d'onde (110), au second guide d'onde (112), au résonateur (114) et à la structure d'électrode (214, 216).

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