HYBRID ANALOG-DIGITAL MATRIX PROCESSOR AND RELATED METHOD FOR PERFORMING FOURIER TRANSFORM
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United States of America Patent
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Issued Date -
Jul 25, 2024
app pub date -
Dec 20, 2023
filing date -
Dec 21, 2022
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Hybrid analog-digital processors and related methods are described. A hybrid analog-digital processor or related method may carry out an algorithm for efficiently performing a Fourier Transform with lower power consumption and higher speed compared with fully-digital processors. A hybrid analog-digital processor or related method may use a digital processor to perform some portions of a Fourier Transform, such as sizing signals for input into an analog accelerator (such as a photonic accelerator). The analog accelerator may be configured to perform some portions of the Fourier Transform by performing matrix-vector multiplication on the sized signals using light. Further efficiency may be provided by in some environments by batching signals that are input into the analog accelerator into 2D arrays, or by performing matrix-vector multiplication using a submatrix of a full Fourier Transform matrix.
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