title: Single-nanowire surface plasmon gratings.
abstract: We demonstrate single-nanowire plasmonic gratings made by focused-ion-beam milling of single Au nanowires. At the optical communication band, a 290 nm diameter Au nanowire with grating length of 15.6 µm offers evident grating features with a transmission dip up to ∼3.3 dB. The grating effects in typical Au nanowires with different grating parameters (e.g. grating depth, width and length) are also investigated. Our results suggest a novel approach to one-dimensional plasmonic gratings with high compactness and flexibility, which may find applications in low-dimensional wavelength-selective plasmonic circuits and devices.
authors.affiliation: State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China.
authors.forename: Xining
authors.initials: X
authors.lastname: Zhang
authors.forename: Zhe
authors.initials: Z
authors.lastname: Ma
authors.forename: Rui
authors.initials: R
authors.lastname: Luo
authors.forename: Ying
authors.initials: Y
authors.lastname: Gu
authors.forename: Chao
authors.initials: C
authors.lastname: Meng
authors.forename: Xiaoqin
authors.initials: X
authors.lastname: Wu
authors.forename: Qihuang
authors.initials: Q
authors.lastname: Gong
authors.forename: Limin
authors.initials: L
authors.lastname: Tong