Planar optical waveguides with planar optical elements

G - Physics – 02 – B

Patent

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G02B 6/12 (2006.01) C03C 15/00 (2006.01) G02B 6/10 (2006.01) G02B 6/122 (2006.01) G02B 6/28 (2006.01)

Patent

CA 2084248

ABSTRACT A planar optical waveguide comprises a substrate 1, a waveguide core layer 2, at least one planar optical element, wherein said planar optical element comprises at least one optically functional interface 3 which is adjacent to a cavity 4, and an overclad layer 5. The cavity enhances the optical characteristics of the planar optical element because of the substantial difference in the refractive index of the cavity as compared to the refractive index of said waveguide core layer.

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