Nanjing University Surface plasmon polariton (SPP) For TE case Ey(z)=A2eBe-k2: 1 Hs(z)=-iA2-kzeiBxe-ka: ωo Z>0 62 Dielectric H2(z)=A2 B nse ks po 81 Ey()=AleiBxekz Metal Hx()=iA I koisx oh Z<0 w H2(z)=A1- B eiBxchs o According to the continuity of H,and sE.at the interface A1(k1+k2)=0. A2=A1=0, No mode for TE wave Dielectrie Superlattice Laboratory Nat.Lab.Microstructures Dr.Tao Li taoli@nju.edu.cnNanjing University For TE case ε2 Z>0 ε1 Z<0 According to the continuity of Hy and εEz at the interface No mode for TE wave Dielectric Superlattice Laboratory Nat. Lab. Microstructures Dr. Tao Li taoli@nju.edu.cn