This work was supported by the National Key Research and Development Program of China(No.2019YFA0708703);the National Natural Science Foundation of China(No.21773309);the Hefei National Laboratory for Physical Sciences at the Microscale(KF2020004).
Supported by the Project Innovation of Graduate Students of Jiangsu Province of China(CX09B-079Z);the Basic Research Items of National Key Lab of Electronic Measurement Technology~~
A compact four-component two-dimensional (2-D) finite-difference frequency domain (FDFD) method with the equivalent surface impedance boundary condition is used to analyze the dispersion characteristics of multila...