Hybrid sub-gridding ADE–FDTD method of modeling periodic metallic nanoparticle arrays Project supported by the National Natural Science Foundation of China (Grant Nos. 61471105 and 61331007). |
(color online) Numerical stability verification of hybrid sub-gridding ADE–FDTD: (a) scheme of spatial interpolation in this paper, (b) scheme of spatial interpolation in Ref. [ |