Non-Markovian Collective Emission from Macroscopically Separated Emitters

Non-Markovian Collective Emission from Macroscopically Separated Emitters

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...

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Bibliographic Details
Main Authors: Sinha, Kanupriya, Meystre, Pierre, Goldschmidt, Elizabeth A., Fatemi, Fredrik K., Rolston, S. L., Solano, Pablo
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:English
Published: American Physical Society (APS) 2020
Subjects:
General Physics and Astronomy
Online Access:https://hdl.handle.net/1721.1/125112
Description
Summary: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.

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