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Binary particle swarm optimized 2 × 2 power splitters in a standard foundry silicon photonic platform

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Abstract

Compact power splitters designed ab initio using binary particle swarm optimization in a 2D mesh for a standard foundry silicon photonic platform are studied. Designs with a 4.8μm×4.8μm footprint composed of 200nm×200nm and 100nm×100nm cells are demonstrated. Despite not respecting design rules, the design with the smaller cells had lower insertion losses and broader bandwidth and showed consistent behavior across the wafer. Deviations between design and experiments point to the need for further investigations of the minimum feature dimensions.

© 2016 Optical Society of America

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