Excitation transport with collective radiative decay

TL;DR

This paper studies quantum excitation transport in a 1D emitter chain, demonstrating subradiant transport and correlation preservation via collective radiative decay, and analyzing disorder effects in cavity-mediated transport.

Contribution

It introduces a phase imprinting method for subradiant transport and explores disorder impacts in cavity-coupled emitter systems.

Findings

Phase imprinting enables subradiant transport and preserves quantum correlations.

Collective radiative decay influences excitation dynamics significantly.

Disorder affects transport efficiency in cavity-mediated systems.

Abstract

We investigate a one-dimensional quantum emitter chain where transport of excitations and correlations takes place via nearest neighbor, dipole-dipole interactions. In the presence of collective radiative emission, we show that a phase imprinting wavepacket initialization procedure can lead to subradiant transport and can preserve quantum correlations. In the context of cavity mediated transport, where emitters are coupled to a common delocalized optical mode, we analyze the effect of frequency disorder and nonidentical photon-emitter couplings on excitation transport.