Patent ID: 9746608
Date: 2017-08-29
CPC Classifications: G02B,G03F

Claim:
1. An optical assembly apparatus for coupling optical energy between a high-index contrast waveguide and a light source, the apparatus comprising: a high-index contrast waveguide fabricated on a base substrate with an optical coupling section; a grating coupler etched onto a horizontal surface of the high-index contrast waveguide; a lithographically-defined and aligned micro mirror with an acute angle formed in a non-cladded single solid polymer layer made of a UV cross-linkable polymer material, wherein the non-cladded single solid polymer layer has an uncovered top surface and is constructed on top of the grating coupler, and wherein the acute angle is configured to redirect the light source into the grating coupler to form a perpendicular ray entry angle with the grating coupler on the horizontal surface of the high-index contrast waveguide; and the light source aligned to the optical coupling section.