Observation of the modification of quantum statistics of plasmonic systems

Chenglong You, Mingyuan Hong, Narayan Bhusal, Jinnan Chen, Mario A. Quiroz-Juárez, Joshua Fabre, Fatemeh Mostafavi, Junpeng Guo, Israel De Leon, Roberto de J. León-Montiel and Omar S. Magaña-Loaiza ()
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Chenglong You: Louisiana State University
Mingyuan Hong: Louisiana State University
Narayan Bhusal: Louisiana State University
Jinnan Chen: University of Alabama in Huntsville
Mario A. Quiroz-Juárez: Universidad Autónoma Metropolitana Unidad Iztapalapa
Joshua Fabre: Louisiana State University
Fatemeh Mostafavi: Louisiana State University
Junpeng Guo: University of Alabama in Huntsville
Israel De Leon: Tecnologico de Monterrey
Roberto de J. León-Montiel: Universidad Nacional Autónoma de México
Omar S. Magaña-Loaiza: Louisiana State University

Nature Communications, 2021, vol. 12, issue 1, 1-7

Abstract: Abstract For almost two decades, researchers have observed the preservation of the quantum statistical properties of bosons in a large variety of plasmonic systems. In addition, the possibility of preserving nonclassical correlations in light-matter interactions mediated by scattering among photons and plasmons stimulated the idea of the conservation of quantum statistics in plasmonic systems. It has also been assumed that similar dynamics underlie the conservation of the quantum fluctuations that define the nature of light sources. So far, plasmonic experiments have been performed in nanoscale systems in which complex multiparticle interactions are restrained. Here, we demonstrate that the quantum statistics of multiparticle systems are not always preserved in plasmonic platforms and report the observation of their modification. Moreover, we show that optical near fields provide additional scattering paths that can induce complex multiparticle interactions. Remarkably, the resulting multiparticle dynamics can, in turn, lead to the modification of the excitation mode of plasmonic systems. These observations are validated through the quantum theory of optical coherence for single- and multi-mode plasmonic systems. Our findings unveil the possibility of using multiparticle scattering to perform exquisite control of quantum plasmonic systems.

Date: 2021
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DOI: 10.1038/s41467-021-25489-4

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