Kilpatrick Townsend & Stockton LLP
Waveguide mode expander using amorphous silicon
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 made of crystalline silicon and a ridge made of non-crystalline silicon (e.g., amorphous silicon). In some embodiments, the ridge of the waveguide mode expander has a plurality of stages, the plurality of stages have different widths and/or thicknesses at a given cross section.
Skorpios Technologies, Inc.
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Damien Nikhil Elton John Daming Guoliang
Lambert Kumar Marchena Zyskind Liu Li