Waveguide coupler

Details Waveguide coupler Waveguide coupler

G - Physics

02

B

G02B 6/34 (2006.01)

Patent

CA 2177486

A waveguide coupler comprises at least a first waveguide coupled at a coupling region to a second waveguide such that at least a part of radiation propagating along the first waveguide is coupled into the second waveguide. The second waveguide comprises a diffraction grating disposed at the coupling region to inhibit coupling of radiation from the first waveguide into the second waveguide at wavelengths characteristic of the diffraction grating.

Ce coupleur de guide d'ondes comprend au moins un premier guide d'ondes couplé au niveau d'une région de couplage à un second guide d'ondes de telle manière qu'au moins une partie du rayonnement se propageant le long du premier guide d'ondes soit couplée dans le second guide d'ondes, lequel comprend un sélecteur de mode de diffraction placé au niveau de la région de couplage afin d'empêcher le rayonnement provenant du premier guide d'ondes de se coupler dans le second guide d'ondes à des longueurs d'ondes caractéristiques du sélecteur de mode de diffraction.

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