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Fig. 3 | PhotoniX

Fig. 3

From: The challenges of modern computing and new opportunities for optics

Fig. 3

Layout of standard RC and schemes of Spatially Distributed RC. a Standard layout of a reservoir computer. Solid arrow denotes the weight matrix that is fixed and untrained, while dashed arrow denotes the readout matrix that need to be trained. b Design of the 16-node passive reservoir [72]. c Schematic of the diffractive coupling of an optical array. SLM, spatial light modulator. POL, polarizer. DOE, diffractive-optical element. VCSEL, vertical-cavity surface-emitting laser. d Experimental setup of the reservoir computing based on multiple scattering medium. DMD, digital micro-mirror device. P, polarizer. Figures adapted under a CC BY 4.0 licence from ref. [72] b

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