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Fig. 2 | Nanoscale Research Letters

Fig. 2

From: All-Si Photodetectors with a Resonant Cavity for Near-Infrared Polarimetric Detection

Fig. 2

The diagrams for the four devices investigated in this work and the FDTD simulation results from the devices. a Str.1: the planar Si substrate. (b) Str. 2: the Au grating on the top of Si substrate. (c) Str. 3: the Au grating on the top of Si NW array. (d) Str.4: the completely fabricated detector with both the Au grating on the top and the bottom of the Si NW array. eg The simulation results for the transmission, reflection, and absorption spectra through the four structures, respectively. h The simulation results for the electric field distributions in the three structures as depicted in b, c, and d, respectively, and the wavelength of the incident light is 860 nm

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