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physics.optics2025
High-resolution and ultra-low power nonlinear image processing with passive high-quality factor metasurfaces
Bo Zhao, Lin Lin, Ameyaw Samuel +1
Image processing is both one of the most exciting domains for applying artificial intelligence and the most computationally expensive. Nanostructured metasurfaces have opened the d…
physics.optics2024
Eliminating nearfield coupling in dense high quality factor phase gradient metasurfaces
Samuel Ameyaw, Lin Lin, Bo Zhao +2
High Q phase gradient metasurfaces are becoming promising elements for revolutionizing light manipulation but near-field coupling typically forces a trade-off between quality facto…