Following fast development in several decades, plasmonics has stepped into a new horizon, where not only the intriguing optical properties of plasmonic structures and systems matter but also their functionalities, especially promising applications in different spectral regimes are of paramount importance. A better understanding of the profound properties from the molecular to submicron level opens a new pathway to designing functional plasmonic materials and devices.
This tutorial will focus on both the fundamentals and applications of functional plasmonics from the visible to the microwave regime.
Alù will discuss the most recent theoretical and experimental results, including plasmonic nanostructures and metasurfaces to control wave propagation, scattering, and radiation, large nonreciprocal responses without magnetic bias, active meta-atoms, and metasurfaces. Physical insights into these exotic phenomena, new devices based on these concepts, and their impact on technology will be discussed during the talk. He will also outline the exciting venues for functional devices in the microwave and optical regime.