In-Plane and Out-of-Plane Investigation of Resonant Tunneling Polaritons in Metal-Dielectric-Metal Cavities.

ABSTRACT: Polaritons can be generated by tuning the optical transitions of a light emitter to the resonances of a photonic cavity. We show that a dye-doped cavity generates resonant tunneling polaritons with Epsilon-Near-Zero (ENZ) effective permittivity. We studied the polariton spectral dispersion in dye-doped metal-dielectric-metal (MDM) cavities as a function of the in-plane (k_||) and out-of-plane (k_⊥) components of the incident wavevector. The dependence on k_|| was investigated through ellipsometry, revealing the ENZ modes. The k_⊥ dependence was measured by varying the cavity thickness under normal incidence using a Surface Force Apparatus (SFA). Both methods revealed a large Rabi splitting well exceeding 100 meV. The SFA-b

SUBMITTER: Patra A 

PROVIDER: S-EPMC9951238 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature