Silicon Photonics Waveguide Crossing

In this example, we examine a waveguide crossing where an incoming TE0 mode must couple only to the appropriate output port and minimize crosstalk with the intersecting waveguide. The merit function is power propagating into the desired output mode. The merit function is highest if there is zero reflection, zero cross-talk and all of the power is transmitted into the output waveguide.

(PhotonicInverseDesign/examples/FreeForm_SiPh_crossing)

(PhotonicInverseDesign/examples/LevelSet_SiPh_crossing)