Planar optical waveguide

Details Planar optical waveguide Planar optical waveguide

G - Physics

02

B

G02B 6/10 (2006.01) G02B 6/122 (2006.01) G02B 6/132 (2006.01) G02B 6/12 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2245409

A planar optical waveguide comprises at least two cladding layers on a substrate with at least one core layer disposed between the cladding layers. The overcladding layer of the two layers is doped in order to produce a thermal coefficient of expansion close to or equal to that of the substrate in order to reduce the polarisation sensitivity of the device.

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