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Comparison of Models for Training Optical Matrix Multipliers in Neuromorphic PICs

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arxiv 2111.14787 v1 pith:6FM7PTPU submitted 2021-11-23 cs.LG cs.NE

classification cs.LGcs.NE
keywords modelsphysics-basedtrainingaccuracychipchipscomparecomparison
verification ladder T0 review T1 audit T2 compute T3 formal
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We experimentally compare simple physics-based vs. data-driven neural-network-based models for offline training of programmable photonic chips using Mach-Zehnder interferometer meshes. The neural-network model outperforms physics-based models for a chip with thermal crosstalk, yielding increased testing accuracy.

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