Eur. Phys. J. Appl. Phys. (2015) 69: 10802
https://doi.org/10.1051/epjap/2014140348

Analysis of a bus waveguide with linear ring resonator array coupled plasmonic structure

¹ School of Ethnic Minority Education, Beijing University of Posts and Telecommunications, P.R. China
² The State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, P.R. China
³ School of Science, Beijing University of Posts and Telecommunications, P.R. China

^a e-mail: chenxi_bupt@bupt.edu.cn

Received: 31 August 2014
Revised: 25 October 2014
Accepted: 22 December 2014
Published online: 15 January 2015

Abstract

We use coupled mode theory (CMT) to analyze a metal-insulator-metal (MIM) plasmonic structure that is composed of a bus waveguide coupled to a linear ring resonators array. The transmission is calculated and the relationship of the radius of the rings for the asymmetric array is tracked out. The finite-difference time-domain (FDTD) simulation results with the same structural parameters are obtained for proving.