Strain free planar optical waveguides

Details Strain free planar optical waveguides Strain free planar optical waveguides

G - Physics

02

B

G02B 6/122 (2006.01) G02B 6/13 (2006.01) G02B 6/12 (2006.01)

Patent

CA 2316695

The present invention is directed to a planar optical waveguide comprising a waveguide core layer interposed between upper and lower cladding layers, characterized in that a so-called "effective" coefficient of thermal expansion of the layer containing the waveguide core is approximately the same as that of the substrate supporting the optical waveguide.

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