On Topology Optimization Enhancements for Thin-Film Lithium Niobate

We present topology optimization enhancements for thin-film lithium niobate, enabling optimization for structures with nonvertical sidewalls and anisotropic media. We validate our enhancements by optimizing and measuring the first topology optimized polarization demultiplexing grating coupler on thi...

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Bibliographic Details
Main Authors: Probst, Michael J., Hiesener, Jacob M., Magalhaes, Leticia, Xin, C. J., Szamosfalvi, Benjamin, Camacho, Ryan M., Loncar, Marko, Ralph, Stephen E.
Format: Conference Proceeding
Language:English
Subjects:
Couplers
Demultiplexing
Lithium niobate
Media
Photonic crystals
polarization demultiplexing grating coupler
thin-film lithium niobate
Three-dimensional displays
Topology
topology optimization
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Description
Summary:We present topology optimization enhancements for thin-film lithium niobate, enabling optimization for structures with nonvertical sidewalls and anisotropic media. We validate our enhancements by optimizing and measuring the first topology optimized polarization demultiplexing grating coupler on thin-film lithium niobate.
ISSN:2376-8614
DOI:10.1109/SUM60964.2024.10614506