Fully interconnected, two-dimensional neural arrays using wavelength-multiplexed volume holograms.
We present a compact method to provide independent weighted interconnections between every pixel in a two-dimensional input array and every pixel in a two-dimensional output array. The two input dimensions and two output dimensions are connected by a four-dimensional weight matrix consisting of wavelength-multiplexed volume holograms that use cryogenic spectral hole burning in a single holographic element.
Weverka
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Wagner
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Saffman
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