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 (Author), Meystre, Pierre (Author), Goldschmidt, Elizabeth A. (Author), Fatemi, Fredrik K. (Author), Rolston, S. L (Author), Solano, Pablo (Author)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor), Massachusetts Institute of Technology. Research Laboratory of Electronics (Contributor), MIT-Harvard Center for Ultracold Atoms (Contributor)
Format: Article
Language:English
Published: American Physical Society (APS), 2020-05-07T18:05:17Z.
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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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