Tunable Fano resonances and plasmonic hybridization of gold triangle

Tunable Fano resonances and plasmonic hybridization of gold triangle–rod dimer nanostructure

Huang Meng^{1, †,}, Chen Dong², Zhang Li², Zhou Jun²

(a) Extinction spectrum of the triangle–rod dimer nanostructure with a geometric center separation g = 0 nm and a gap distance d = 2 nm; (b)–(d) The charge distributions at the Fano peak P₁, Fano dip D, Fano peak P₂, respectively; (e)–(g) The electric field distributions at Fano peak P₁, Fano dip D, Fano peak P₂, respectively.