Fig. 1. Schematic diagram and numerical simulation results of coupled plasmonic periodic structure. (a) Structural parameters; (b) transmission spectra of same polarization and orthogonal polarization under incident light with polarization angle ; (c) transmission spectra of same polarization and orthogonal polarization under incident light with polarization angle ; (d) transmission spectra of same polarization and orthogonal polarization under incident light with polarization angle
Fig. 3. Transmission spectra of real frequency and complex frequency excitation. (a)(b) and under different virtual gain factors conditions, ; (c)(d) and of real frequency excitation under different coupling intensity (different gap ) conditions; (e)(f) and of complex frequency excitation under different coupling intensity (different gap ) conditions,