Super- and Sub-radiance from Two-dimensional Resonant Dipole-dipole Interactions

TL;DR

This paper explores how two-dimensional resonant dipole-dipole interactions lead to unique super- and sub-radiant phenomena, enabling long-range atom correlations and potential applications in quantum light storage.

Contribution

It provides a theoretical analysis of super- and sub-radiance in 2D RDDI, highlighting differences from free space interactions and demonstrating control over long-range atomic states.

Findings

2D RDDI exhibits distinct long-range behavior from free space.

Long-range subradiant states can be accessed and manipulated.

Potential for quantum light storage and state control.

Abstract

We theoretically investigate the super- and sub-radiance from the resonant dipole-dipole interactions (RDDI) in a confined two-dimensional (2D) reservoir. The distinctive feature of 2D RDDI shows qualitatively and quantitatively different long-range behavior from RDDI in free space. We investigate the superradiant properties of the singly-excited symmetric state under this 2D RDDI. This state also allows subradiant decays in much longer distances than the transition wavelength, showing long-range atom-atom correlations. We further study the dynamics of the subradiant states which can be accessed by imprinting spatially dependent phases on the atomic arrays. Our results demonstrate rich opportunities in engineering light-matter interactions in a confined 2D reservoir, and hold promise in applications of quantum light storage and single-excitation state manipulations.