Topological spin textures from photonic crystal slab using Bound States in the Continuum generating alignment-free, high-fidelity topological light

https://www.eurekalert.org/news-releases/1090120

"intricate patterns traditionally in solid-state materials, expanded to skyrmions/ merons/ hopfions, Möbius strips dynamically propagating in free space with intricate spin configurations maintaining integrity even under perturbations... no intricate alignment needed, making generation accessible/ scalable, efficient/ robust data encoding... spectral/ polarization characteristics increases information density"