New metalens lights the way for advanced control of quantum emission

https://phys.org/news/2023-08-metalens-advanced-quantum-emission.html

"integrate nanoscale emitters into high-dimensional nanostructured resonators and metasurfaces collect and demonstrate basic tailoring room temperature solid-state SPEs emission... simultaneously tailor directionality, polarization, and orbital angular momentum degrees freedom... arbitrary quantum emission wavefront shaping... high information capacity, robust to noise and better security... optical imaging, holography, LiDAR, molecular sensing, quantum cryptography and entanglement distribution with improved filtering"

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