Ultra-thin and light-weight spoof surface plasmon polariton coupler achieved by broadside coupled split ring resonators*

Project supported by the National Natural Science Foundation of China (Grant Nos. 61331005, 61471388, and 61501503).

Fan Ya, Wang Jia-Fu, Ma Hua, Li Yong-Feng, Feng Ming-De, Qu Shao-Bo
       

(color online) (color online) Simulated results of the SSPP coupler at 5.05 GHz: (a) specular reflection S11 of the infinite coupler; (b) Ez field distributions at different phases as incident wave propagates; and (c) patterns of power flow.