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arXiv · 2303.06559

Delay-induced spontaneous dark state generation from two distant excited atoms

William Alvarez-Giron·Pablo Solano·Kanu Sinha·Pablo Barberis-Blostein
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Abstract

We investigate the collective non-Markovian dynamics of two fully excited two-level atoms coupled to a one-dimensional waveguide in the presence of delay. We demonstrate that analogous to the well-known superfluorescence phenomena, where an inverted atomic ensemble synchronizes to enhance its emission, there is a `subfluorescence' effect that synchronizes the atoms into an entangled dark state depending on the interatomic separation. Our results are pertinent to long-distance quantum networks, presenting a mechanism for spontaneous entanglement generation between distant quantum emitters.

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William Alvarez-Giron, Pablo Solano, Kanu Sinha, Pablo Barberis-Blostein. 2023-03-12. Delay-induced spontaneous dark state generation from two distant excited atoms. https://doi.org/10.1103/physrevresearch.6.023213

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