State Key Laboratory of Information Photonics and Optical Communications, and School of Science, Beijing University of Posts and Telecommunications, Beijing 100876
Abstract:A coupled-resonator structure consisting of a stub resonator and a nanodisk resonator is proposed and numerically investigated by using a two-dimensional finite element method. Simulation results show that two resonant modes occur in the transmission spectra, and the sharp and asymmetric Fano-lines increase with the wavelength resolution. We also analyze the properties of two resonant modes of the structure and design a similar structure supporting only one resonant mode, which has better wavelength resolution. Our models are important for improving the wavelength resolution in plasmonic devices and the sensitivity in sensors.
. [J]. 中国物理快报, 2014, 31(11): 114202-114202.
SHANG Ce, CHEN Zhao, WANG Lu-Lu, ZHAO Yu-Fang, DUAN Gao-Yan, YU Li. Characteristics of the Coupled-Resonator Structure Based on a Stub Resonator and a Nanodisk Resonator. Chin. Phys. Lett., 2014, 31(11): 114202-114202.