Breakthroughs in Photonics 2013: Advances in Nanoantennas

The field of nanoantennas overlaps several areas of scientific interest, from fundamental physics to commercial technologies. Advances in the understanding of such complex devices hold the promises to novel applications in sensing, telecommunications, optical processing, and security, among others. Here, we review the main advances in the field of nanoantennas in 2013, from single metallic and dielectric devices to nanostructured metasurfaces and phased arrays.