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Dipole radiation power spectrum (continuous curve), the emission spectrum of the SP-dipole coupling system (dashed curve), and the three source spectra (dotted Gaussian-like curves labeled as 1–3). The insert shows the two-dimensional Ag/dielectric grating structure in the plane. The dipole is located 10 nm right below the center of a grating groove.
Single-frequency field magnitude distributions of features 1–3 in parts [(a)–(c)], respectively. The labeled positions are considered for transient study.
Time-resolved field intensity profiles at various observation points for feature 1. The inset at the bottom shows the linear-scale profiles for demonstrating the temporal peak positions.
Similar to Fig. 3 except for feature 2.
Similar to Fig. 3 except for feature 3. In the inset at the lower-right corner, we compare the along-interface outward propagating power (along ) at and the bottom emission power (along ) at 590 nm in wavelength.
Time-resolved signal parameters of the three SP-dipole coupling systems.
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