Electric and magnetic resonances in arrays of coupled gold nanoparticle in-tandem pairs

Optics Express
Y EkinciJ F Löffler

Abstract

We present an experimental and theoretical study on the optical properties of arrays of gold nanoparticle in-tandem pairs (nanosandwiches). The well-ordered Au pairs with diameters down to 35 nm and separation distances down to 10 nm were fabricated using extreme ultraviolet (EUV) interference lithography. The strong near-field coupling of the nanoparticles leads to electric and magnetic resonances, which can be well reproduced by Finite-Difference Time-Domain (FDTD) calculations. The influence of the structural parameters, such as nanoparticle diameter and separation distance, on the hybridized modes is investigated. The energy and lifetimes of these modes are studied, providing valuable physical insight for the design of novel plasmonic structures and metamaterials.

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Citations

Mar 8, 2013·ACS Nano·Denitza DenkovaVictor V Moshchalkov
Aug 25, 2010·Nature Materials·Boris Luk'yanchukChong Tow Chong
Sep 9, 2015·Analytical and Bioanalytical Chemistry·Andreas HorrerMonika Fleischer
Mar 21, 2017·ACS Nano·Hao WangOlivier J F Martin
Mar 30, 2017·ACS Nano·Andrew B YankovichEva Olsson
Jan 1, 2018·Applied Sciences·Kevin M RoccaprioreVladimir P Drachev
Nov 27, 2014·Reports on Progress in Physics·Stéphane Collin
Jul 1, 2011·Optics Express·A Mendoza-GalvánH Arwin
May 19, 2010·Optics Letters·Yogesh JeyaramYasin Ekinci
Dec 17, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Phillip BlakeD Keith Roper
May 9, 2009·Nano Letters·Tavakol Pakizeh, Mikael Käll
May 15, 2021·Optics Express·Marco Riccardi, Olivier J F Martin
Dec 29, 2018·ACS Photonics·Gernot SchaffernakAndreas Hohenau
Oct 8, 2021·Optics Express·Debdatta RayOlivier J F Martin

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