Answers are grounded in this paper and cite their sources.
A highly efficient Y-junction based on a planar photonic crystal (PhC) platform is presented. The PhC consists of a triangular array of holes etched into a GaAs/AlGaAs heterostructure, with a typical period of 322 nm and ∼35% fill factor. The Y-junction has smaller holes positioned at the centre of the junction, giving rise to very uniform splitting and high transmission. The performance is very encouraging, with experimental transmission of approximately 40% for each arm of the Y-splitter relative to a comparable single-defect PhC waveguide.
No takes yet. Share an insight, caveat, or question.
Wilson et al. (2003) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: