CPC G02B 6/4206 (2013.01) [G02B 6/42 (2013.01)] | 20 Claims |
1. A photonics structure comprising:
a waveguide core including a first section, a second section longitudinally adjacent to the first section, a first plurality of segments projecting in a vertical direction from the first section, and a second plurality of segments projecting in the vertical direction from the second section, the first section of the waveguide core having a first thickness, and the second section of the waveguide core having a second thickness that is greater than the first thickness,
wherein the first plurality of segments are separated by a plurality of gaps, a dielectric material is positioned in the plurality of gaps, the first plurality of segments comprise silicon nitride, and the dielectric material comprises silicon dioxide.
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