New Advances in the Optical Properties of Plasmonic and Phononic Metamaterials

Dear Colleagues,

This Special Issue titled "New Advances in the Optical Properties of Plasmonic and Phononic Metamaterials" aims to explore new research in the field of plasmonic and phononic metamaterials, focusing on their optical characteristics.

Plasmonic and phononic metamaterials, which are able to manipulate light at the nanoscale through surface plasmon and phonon resonances, offer remarkable capabilities for applications based on light–matter interactions. Plasmonic metamaterials generally exploit collective oscillations of electrons at the interface between a metal and a dielectric, and have numerous applications, such as in the development of highly sensitive biosensors, photonic circuits,  and super-resolution techniques for imaging systems. On the other hand, phononic metamaterials, which control acoustic and elastic waves, are examined for their unique ability to influence phonon propagation through engineered periodic and non-periodic structures. Research in this area includes breakthroughs in the design of phononic crystals and acoustic metamaterials, with applications ranging from sound insulation, exotic optical properties, and the control of heat propagation. In this framework, this Special Issue aims to shade light on those innovative materials, original designs, and new devices based on these structures.

Prof. Dr. Stefano Lupi
Dr. Salvatore Macis
Dr. Annalisa D’Arco
Guest Editors

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