Characteristics and mechanism analysis of Fano resonances in <inline-formula> <img src="cpb_26_12_127301_ieqn001.gif"/> </inline-formula>-shaped gold nano-trimer

Characteristics and mechanism analysis of Fano resonances in

-shaped gold nano-trimer

Zhong Han-Hua¹, Zhou Jian-Hong², Gu Chen-Jie¹, Wang Mian¹, Fang Yun-Tuan³, Xu Tian⁴, Zhou Jun^{1, †}

(color online) (a) Extinction spectra of the asymmetric Π-shape trimer with different lengths of nanorod L, (b) extinction spectra of the Π-shape trimer with different polar radii of two nanorice and at a fixed ratio of .