An integrated optical circuit architecture for inverse-designed silicon photonic components

HIGHLIGHTS

SUMMARY

A monochromatic 8 × 8 crosspoint matrix switch uses 16 parallel waveguides, and a monochromatic 8 × 8 Spanke-Benes permutation matrix switch uses eight. The authors present three inverse-designed, topologically optimized SOI photonic building blocks: the 2 × 2 3-dB splitter/combiner, the 2 × 2 waveguide crossover, and the 2 × 2 all-forward add-drop resonator. For the optimization of the first two devices, the authors initially considered two parallel waveguides spaced 2 µm apart (forming two input waveguides and two output waveguides) and an inverse-design region in the center of the two . . .

 



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