Fig. 4: Comparative analysis of the radiative magnetic and electric LDOS for spontaneous emission towards the substrate or in the opposite direction.
From: Nearfield control over magnetic light-matter interactions
The distributions of electric (a, c) and magnetic (b, d) radiative LDOS are presented for radiation in the direction of the NSOM tip (a, b) and the substrate (c, d). Experimental ELDOS (e) and MLDOS (f) for electric (green lines) and magnetic (blue lines) excitations, starting from the center of the nanodisk to its edge. Experimental curves are obtained by averaging the LDOS provided in Fig. 3e–h in a circular pattern from the center of the nanodisk to increase the signal-to-noise ratio. White circles are guides for the eyes showing the position of the nanoantenna and the gap
