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Figure 3 | Nano Convergence

Figure 3

From: A silicon nanowire photodetector using Au plasmonic nanoantennas

Figure 3

Absorption efficiency and electric field intensity for single Au sNP and hNP. (a) Absorption efficiency spectra of single Au sNP and hNP (20 nm) in air and on a planar Si substrate, respectively. A perfectly-matched-layer (PML) boundary condition was used for the simulation volume surface. Incident light is a plane wave propagating along the –z axis and linearly polarized along the x axis. Cross-sectional distributions of the electric-field intensity at a NP/Si interface are shown for wavelengths of (b, c) 500 nm and (d, e) 920 nm.

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