Tailoring the superradiant and subradiant nature of two coherently coupled quantum emitters.

ABSTRACT: The control and manipulation of quantum-entangled states is crucial for the development of quantum technologies. A promising route is to couple solid-state quantum emitters through their optical dipole-dipole interactions. Entanglement in itself is challenging, as it requires both nanometric distances between emitters and nearly degenerate electronic transitions. Here we implement hyperspectral imaging to identify pairs of coupled dibenzanthanthrene molecules, and find distinctive spectral signatures of maximally entangled superradiant and subradiant electronic states by tuning the molecular optical resonances with Stark effect. We demonstrate far-field selective excitation of the long-lived subradiant delocalized state with a laser field tailored in amplitude and phase. Optical nanoscopy

SUBMITTER: Trebbia JB 

PROVIDER: S-EPMC9135760 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature