Optical waveguide device

Details Optical waveguide device Optical waveguide device

G - Physics

02

B

88/97.2

G02B 6/12 (2006.01) G02B 6/28 (2006.01) G02B 6/34 (2006.01) G02B 6/42 (2006.01) G02F 1/313 (2006.01)

Patent

CA 1308279

ABSTRACT OF THE DISCLOSURE An optical waveguide device comprises a low refractive index layer having a refractive index nb, a core layer having a refractive index nc (where nc > nb) and a cladding layer having a refractive index nCl (where nCl < nc) formed on a substrate. Thermal expansion coefficients of the low refractive index layer, the core layer and the cladding layers, respectively, are made substantially equal to each other at respective boundaries.

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