Localized Surface Magnetic Modes Propagating Along a Chain of Connected Subwavelength Metamaterial Resonators

作     者：Zhen Liao Guo Qing Luo Hui Feng Ma Bai Cao Pan Ben Geng Cai Yu Feng Yu Tie Jun Cui 

作者机构：Key Laboratory of RF Circuits & System of Ministry of Education Institute of Antennas and Microwave Technology Hangzhou Dianzi University Xiasha High Education Park Hangzhou 310018 China State Key Laboratory of Millimetre Waves Southeast University Nanjing 210096 China 

出 版 物：《Physical Review Applied》 (Phys. Rev. Appl.)

年 卷 期：2018年第10卷第3期

页      面：034054-034054页

核心收录：

学科分类：07[理学] 0702[理学-物理学] 

基　　金：National Natural Science Foundation of China  NSFC  (61571117  61631007  61701107  61701108  61701151  61701152  61722107) 

主　　题：Electromagnetic waves & oscillations Exchange interaction Metamaterials Photonics Plasmonics Surface gravity waves Finite-difference time-domain method Resonance techniques 

摘      要：Magnetic resonance coupling theory for connected metamaterial resonators is studied and experimentally demonstrated. The subwavelength resonators have dominantly conductive coupling through the current exchange. Two distinct interactions are observed in two different connection configurations. Based on the strong coupling, one-dimensional localized surface magnetic modes propagating along a chain of subwavelength resonators are proposed. By changing the connection configuration, the surface wave can be switched between the forward and backward modes. The numerical simulations and experiments are in good agreement. The proposed mechanism of energy transport in the subwavelength scale has potential applications in integrated devices and circuits.