Figure 1 | Scientific Reports

Figure 1

From: Experimental demonstration of broadband light trapping by exciting surface modes of an all-dielectric taper

Figure 1

Detailed dimension and excitation conditions of (a) a shorter all-dielectric taper and (b) a longer all-dielectric taper. Corresponding scattering coefficients of (c) the shorter and (d) longer dielectric taper. According to these peaks, we could identify possible resonance frequencies of surface modes within the tapers and such surface modes enable broadband light trapping.

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