Percolation of optical excitation mediated by near-field interactions

Makoto Naruse, Song-Ju Kim, Taiki Takahashi, Masashi Aono, Kouichi Akahane, Mario D'Acunto, Hirokazu Hori, Lars Thylén, Makoto Katori and Motoichi Ohtsu

Physica A: Statistical Mechanics and its Applications, 2017, vol. 471, issue C, 162-168

Abstract: Optical excitation transfer in nanostructured matter has been intensively studied in various material systems for versatile applications. Herein, we theoretically and numerically discuss the percolation of optical excitations in randomly organized nanostructures caused by optical near-field interactions governed by Yukawa potential in a two-dimensional stochastic model. The model results demonstrate the appearance of two phases of percolation of optical excitation as a function of the localization degree of near-field interaction. Moreover, it indicates sublinear scaling with percolation distances when the light localization is strong. Furthermore, such a character is maximized at a particular size of environments. The results provide fundamental insights into optical excitation transfer and will facilitate the design and analysis of nanoscale signal-transfer characteristics.

Keywords: Percolation; Optical near-field; Optical excitation transfer; Yukawa potential (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:471:y:2017:i:c:p:162-168

DOI: 10.1016/j.physa.2016.12.019

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