Kilpatrick Townsend & Stockton LLP
Waveguide mode expander having an amorphous-silicon shoulder
A waveguide mode expander couples a smaller optical mode in a semiconductor waveguide to a larger optical mode in an optical fiber. The waveguide mode expander comprises a shoulder and a ridge. In some embodiments, the ridge of the waveguide mode expander has a plurality of stages, the plurality of stages having different widths at a given cross section.
SKORPIOS TECHNOLOGIES, INC.
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Nikhil Guoliang Damien
Kumar Li Lambert