Fig. 1. T-SiNW under irradiation with various incident angles and polarization states

Fig. 2. Impacts of angle and polarization of incident light on the spectral behaviors of T-SiNW
(a): Averaged extinction spectra for pol1 and pol2 light; (b): Extinction spectra for incident light with distinguished polarizations; (c): Averaged absorption spectra for pol1 and pol2 light, and their difference (inset); (d): Averaged Abs./Ext. ratio for pol1 and pol2 light, and their difference (inset)

Fig. 3. Near-field mappings for T-SiNW
(a): Resonance at λ=0.44 μm under pol2 light with various θ; (b): Resonances at λ=0.45, 0.54, and 0.60 μm, under pol1 light with θ=60°; and at λ=0.8 μm under pol1 light with θ=90°

Fig. 4. Angular distribution of scattered light by T-SiNW
Scattered light by (a) a fully upright and (b) a fully inverted T-SiNW; a flat-laid T-SiNW under irradiation of (c) pol1 and (d) pol2; T-SiNW under irradiation with (e) θ=60° and (f) θ= 120°