Reconfigurable all-optical nonlinear activation functions
Publication type: Proceedings Article
Publication date: 2020-09-01
Abstract
We experimentally demonstrate all-optical reconfigurable nonlinear activation functions in a cavity-loaded mach-zehnder interferometer device utilizing free-carrier dispersion effect in silicon. Our device can be flexibly programmed to generate the following functions: clamped-ReLU, sigmoid, radial-basis and softplus, which can be employed in various neuromorphic tasks. nonlinear optics, neuromorphic photonics.
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