Semiconductor split-ring resonators for thermally tunable, terahertz metamaterials

TL;DR

This paper proposes using temperature-dependent permittivity changes in semiconductors to create thermally tunable split-ring resonators for terahertz metamaterials, enabling adjustable electromagnetic properties.

Contribution

It introduces a novel approach to achieve thermally tunable terahertz metamaterials using semiconductor split-ring resonators based on permittivity variation.

Findings

Numerical simulations show permittivity varies with temperature in the terahertz range.

Thermally tunable metamaterials can be realized using semiconductor split-ring resonators.

Potential for dynamic control of terahertz electromagnetic responses.

Abstract

As the variation of temperature alters the intrinsic carrier density in a semiconductor, numerical simulations indicate that the consequent variation of the relative permittivity in the terahertz regime provides a way to realize thermally tunable split-ring resonators. Electromagnetic metasurfaces and metamaterials that are thermally tunable in the terahertz regime can thus be implemented.