Method and Apparatus for Optical Information Processing
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Aug 20, 2024
filing date -
Aug 20, 2024
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Abstract
A photonic device which is configured to implement a recurrent neural network via reservoir computing is provided. The device includes a feed portion which mixes an input signal with previously generated and controllably attenuated portions of an output signal. The device further includes one or more propagating stages coupled to the feed portion. Each propagating stage propagates signals through a loop in both clockwise and counterclockwise directions, for example to be affected by nonlinear elements. The arrangement of the photonic device causes a nonlinear activation function to be realized by the propagating stages. The nonlinear activation function may be adjustable by adjusting various controllable elements in the device.
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