Tailoring the local density of states of non-radiative field at the surface of nanolayered materials

TL;DR

This paper demonstrates through numerical experiments how layered metallodielectric nanostructures can be designed to control the local electromagnetic density of states near their surface, advancing nanostructure engineering.

Contribution

It introduces a method for designing layered nanostructures to tailor the local density of states, enabling precise control over near-field electromagnetic properties.

Findings

Layered metallodielectric configurations can be optimized to modify the local density of states.

Numerical experiments confirm the feasibility of controlling near-surface electromagnetic properties.

Potential applications in near-field technologies are identified.

Abstract

The ability to artificially grow in a controllable manner at nanoscale, from modern deposition techniques, complex structural configurations made with metallic, polar and semiconductors materials raises today the issue of the "best" achievable inner structure to tailor the near-field properties of a nanostructured medium. In the present work we make a step towards the rational design of these materials by reporting numerical experimentations demonstrating the possibility of identifying structural configurations of layered metallodielectric media specifically designed to control the electromagnetic density of states in the close vicinity of their surface. These results could find broad applications in near-field technologies.