LOCALLY ANTIREFLECTION-COATED SPLIT PUPIL INPUT COUPLERS FOR MULTISHEET DIFFRACTIVE WAVEGUIDES
Number of patents in Portfolio can not be more than 2000
United States of America
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N/A
Issued Date -
Mar 20, 2025
app pub date -
Sep 13, 2024
filing date -
Sep 13, 2024
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A method and apparatus for a device including a first waveguide, the first waveguide having a first input coupler operable to receive a first color light and in-couple the first color light into the first waveguide, and a coating area adjacent to a grating of the first input coupler, the coating area operable to receive a second color light, the coating area having an anti-reflective coating with a transmission refractive index such that in operation the second color light is transmitted through the first waveguide to a second waveguide, the second waveguide below the first waveguide, the second waveguide having a second input coupler disposed below and aligned with the coating area, the second input coupler operable to receive the second color light and in-couple the second color light into the second waveguide.
First Claim
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