Researchers develop silicon cuboid nanoantenna

https://phys.org/news/2022-03-silicon-cuboid-nanoantenna.html

"silicon dielectric nanoantenna for simultaneously enhancing electric dipole, magnetic dipole and electric quadrupole emission... ED, MD and EQ emitters at different orientations within the nanoantenna is 18, 150 and 118 respectively, occurring at the resonance wavelength of 475, 750, and 562 nm, respectively, matching with the resonance modes in the nanoantenna and corresponding to the blue, red and green colors"

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Smaller, more versatile antenna could be a communications game-changer

https://techxplore.com/news/2022-03-smaller-versatile-antenna-game-changer.html

Nanoantennas combined with phosphor plates enable increased photoluminescence

https://phys.org/news/2022-12-nanoantennas-combined-phosphor-plates-enable.html