PHOTONIC NEURAL NETWORK ACCELERATOR
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Jan 12, 2023
filing date -
Jan 12, 2023
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Abstract
A photonic neural network accelerator, comprising: a Mach Zehnder Interferometer (MZI) comprising phase change material (PCM), the MZI configured to modulate input light passing through a main waveguide; an optical coupler disposed on the main waveguide and configured to split a fraction of the modulated input light into a sub-waveguide from the main waveguide; and an optical resistance switch (ORS) disposed on the sub-waveguide and configured to capture optical information in the sub-waveguide, wherein the optical information comprises optical power and incident wavelength.
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