Wavelength selective switch

G - Physics – 02 – B

Patent

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Details

G02B 6/293 (2006.01) G02B 6/34 (2006.01) H04J 14/02 (2006.01) H04Q 11/00 (2006.01) G02B 6/35 (2006.01)

Patent

CA 2492419

A spectrally selective optical switch is disclosed. The switch comprises a first and a second optical waveguide each having a light guiding structure arranged to guide light along a predetermined path, the optical waveguides being arranged adjacent and parallel to each other; an external resonator defined by a first and a second mirror, said first and said second mirror being provided on opposite sides and outside of said first and second light guiding structures, and said external resonator being resonant to a specific wavelength; and a deflector provided in each of said first and second optical waveguide, the deflectors being arranged to deflect light propagating in one of the light guiding structures to the other light guiding structure by operation of said external resonator. A matrix switch is also disclosed.

L'invention concerne un commutateur optique à sélectivité spectrale. Ce commutateur comprend : un premier et un second guides d'onde optique comprenant chacun une structure de guidage servant à guider la lumière sur un chemin prédéterminé, les guides d'onde optique étant disposés de façon adjacente et parallèle ; un résonateur externe défini par un premier et un second miroirs, lesquels miroirs sont disposés sur des côtés opposés et à l'extérieur desdites première et seconde structures de guidage de la lumière et ce résonateur externe résonnant à une longueur d'onde spécifique ; enfin, un déflecteur disposé dans chacun des deux guides d'onde optique, ces déflecteurs étant conçus pour détourner la lumière se propageant dans une des structures de guidage de la lumière vers l'autre structure de guidage de la lumière au moyen du résonateur externe. L'invention concerne également un commutateur de matrice.

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