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1. An Integrated Photorefractive Analog Matrix-Vector Multiplier for Machine Learning

Author

Elger A. Vlieg, Lucas Talandier, Roger Dangel, Folkert Horst, and Bert J. Offrein

Subjects
optical computing, in-memory computing, optical neural networks, integrated photonics, holographic memory, Technology, Engineering (General). Civil engineering (General), TA1-2040, Biology (General), QH301-705.5, Physics, QC1-999, Chemistry, QD1-999
Abstract

AI is fueling explosive growth in compute demand that traditional digital chip architectures cannot keep up with. Analog crossbar arrays enable power efficient synaptic signal processing with linear scaling on neural network size. We present a photonic photorefractive crossbar array for neural network training and inference on local analog memory. We discuss the concept and present results based on the first prototype hardware.

Published
2022
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2. An Integrated Photorefractive Analog Matrix-Vector Multiplier for Machine Learning

Author

Elger A. Vlieg, Lucas Talandier, Roger Dangel, Folkert Horst, Bert J. Offrein, and European Commission

Subjects
Fluid Flow and Transfer Processes, In-memory computing, Optical neural networks, Holographic memory, Process Chemistry and Technology, Computer Science::Neural and Evolutionary Computation, Integrated photonics, General Engineering, Computer Science Applications, Computer Science::Hardware Architecture, General Materials Science, Optical computing, Instrumentation, optical computing, in-memory computing, optical neural networks, integrated photonics, holographic memory
Abstract

AI is fueling explosive growth in compute demand that traditional digital chip architectures cannot keep up with. Analog crossbar arrays enable power efficient synaptic signal processing with linear scaling on neural network size. We present a photonic photorefractive crossbar array for neural network training and inference on local analog memory. We discuss the concept and present results based on the first prototype hardware., This research was funded by European Union’s Horizon 2020 research and innovation program, grant numbers 828841 (ChipAI) and 860360 (Post-Digital).

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