On-chip all-dielectric topological metasurface enhances encoding capabilities through polarization decoupling

https://www.eurekalert.org/news-releases/1095464

"high optical efficiency/ compatibility with existing systems, multiple device integration into compact optical platforms, energy efficient... non-Hermitian without need for metals enabling on-chip topological exceptional points within fully all-dielectric environment eliminating Ohmic losses/ suppressing zero-order diffraction background in projection-based AR vector holography enhancing image clarity/ fidelity... wearable AR, multiplexed information storage, optical displays"