V-shaped optical coupling structure
AssigneeNEC Corporation
InventorToshiaki Nishikawa
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Abstract
An optical coupling structure for optically coupling a light emitting device to an optical waveguide is disclosed. The optical coupling structure includes a V-shaped inclined portion provided on part of the optical waveguide, and a light-incident section formed on a protruding side of the V-shaped inclined portion in association with a light emitting section of the light emitting device.
Claims9
A method of forming an optical coupling structure for optically coupling a light emitting device to an optical waveguide having a center portion of a relatively high refractive index and a peripheral portion of a relatively low refractive index, comprising the steps of:
- bending a predetermined portion of said optical waveguide into a V shape to produce a V-bent portion;
- and
- forming a light-incident surface on a protruding side of said V-bent portion.
A method of forming an optical device having a light emitting device optically coupled to an optical waveguide having a center portion of a relatively high refractive index and a peripheral portion of a relatively low refractive index, comprising the steps of:
- forming a V-bent portion at a predetermined portion of said optical waveguide;
- arranging said V-bent portion at such a position as to be associated with a light emitting section of said light emitting device and then holding said V-bent portion;
- forming a light-incident section on a protruding side of said V-bent portion in said held optical waveguide;
- and
- positioning said light-incident section and said light emitting section of said light emitting device in such a way as to face each other.
Dependencies are inferred from the claim text.