Fig. 1: Artificial polarization synapse design and b-As0.2P0.8 crystal characteristics. | Light: Science & Applications

Fig. 1: Artificial polarization synapse design and b-As0.2P0.8 crystal characteristics.

From: Polarization-sensitive neuromorphic vision sensing enabled by pristine black arsenic-phosphorus

Fig. 1

a Schematic representation of a biological neural network with a synapse, alongside a simplified electrical circuit model for the optical synapse. b The band structure computed by the DFT method for b-As0.2P0.8 crystal. c Polarization-resolved absorption spectra of b-As0.2P0.8 crystal on the CaF2 substrate. d Angle-resolved polarized Raman spectra from 0° to 180° corresponding to three Raman peaks Ag1, B2g, and Ag2. e Contour mapping of angle-resolved polarized Raman spectra. f Polar plots for the Raman peak intensity at Ag1, B2g, and Ag2.with respect to θ, respectively

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