Slow-light plasmonic metamaterial based on dressed-state analog of electromagnetically-induced transparency

TL;DR

This paper presents a design for slow-light metamaterials using Fabry-Perot resonators that achieve high group indices and bandwidth-delay products, inspired by dressed-state analogs of EIT.

Contribution

It introduces a simple, tunable configuration for one-dimensional slow-light metamaterials with large bandwidth-delay products based on dressed-state analogs of EIT.

Findings

Bandwidth-delay products over unity achieved

Group indices approaching 100 demonstrated

Design is adaptable to various resonator types and wavelengths

Abstract

We consider a simple configuration for realizing one-dimensional slow-light metamaterials with large bandwidth-delay products using stub-shaped Fabry-Perot resonators as building blocks. Each metaatom gives rise to large group indices due to a classical analog of the dressed-state picture of electromagnetically-induced transparency. By connecting up to eight metaatoms, we find bandwidth-delay products over unity and group indices approaching 100. Our approach is quite general and can be applied to any type of Fabry-Perot resonators and tuned to different operating wavelengths.