New metalens lights the way for advanced control of quantum emission

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

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

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