Researchers compress light 12 times below the diffraction limit in a dielectric material

https://phys.org/news/2022-10-compress-diffraction-limit-dielectric-material.html

"bowtie structure squeezing photons together due to shape... silicon, dielectric material on which most advanced modern technology based... Important breakthrough for energy-efficient technology... The discovery could be decisive for developing revolutionary new technologies that may reduce the amount of energy-guzzling components in data centers, computers, telephones"