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Non-Markovian Collective Emission from Macroscopically Separated Emitters

TitleNon-Markovian Collective Emission from Macroscopically Separated Emitters
Publication TypeJournal Article
Year of Publication2020
AuthorsK. Sinha, P. Meystre, E. A. Goldschmidt, F. K. Fatemi, S.. L. Rolston, and P. Solano
JournalPhys. Rev. Lett.
Volume124
Pagination043603
Date PublishedJAN 31
Type of ArticleArticle
ISSN0031-9007
Abstract

We study the collective radiative decay of a system of two two-level emitters coupled to a one-dimensional waveguide in a regime where their separation is comparable to the coherence length of a spontaneously emitted photon. The electromagnetic field propagating in the cavity-like geometry formed by the emitters exerts a retarded backaction on the system leading to strongly non-Markovian dynamics. The collective spontaneous emission rate of the emitters exhibits an enhancement or inhibition beyond the usual Dicke superradiance and subradiance due to self-consistent coherent time-delayed feedback.

DOI10.1103/PhysRevLett.124.043603