https://www.ornl.gov/publication/singular-and-nonsingular-transitions-infrared-plasmons-nearly-touching-nanocube-dimers
Narrow gaps between plasmon-supporting materials can confine infrared electromagnetic energy at the nanoscale, thus enabling applications in areas such as...
singulartransitionsinfraredplasmonsnearly
https://www.nist.gov/news-events/news/2017/10/plasmons-open-box-create-miniature-laser
Scientists at the National Institute of Standards and Technology (NIST) have developed the first miniature laser in which the light is guided along the floor
open boxminiature laserplasmonscreatenist