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Open Quantum Systems Decoherence Photonic Quantum Computing

Superradiance paradox in waveguide lattices

arXiv
Authors: Stefano Longhi

Year

2020

Paper ID

21458

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

Recently, it has been suggested that the collective radiative decay of two point-like quantum emitters coupled to a waveguide, separated by a distance comparable to the coherence length of a spontaneously emitted photon, leads to an apparent primesuperradiance paradoxprime by which one cannot decide whether independent or collective emission occurs. The resolution of the paradox stems from the strong non-Markovian dynamics arising from the delayed field-mediated atom interaction. Here we suggest an integrated optics platform to emulate the superradiance paradox, based on photon escape dynamics in waveguide lattices. Remarkably, Markovian decay dynamics and independent photon emission can be restored by frequent (Zeno-like) observation of the system.

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  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
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  • Recently, it has been suggested that the collective radiative decay of two point-like quantum emitters coupled to a waveguide, separated by a distance comparable to the...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2008.06540 [2] arXiv https://arxiv.org/abs/2008.06540 [3] Publisher https://arxiv.org/abs/2008.06540

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