Parallel photonic reservoir computing based on frequency multiplexing of neurons
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Photonic implementations of reservoir computing can achieve state-of-the-art performance on a number of benchmark tasks, but are predominantly based on sequential data processing. Here we report a parallel implementation that uses frequency domain multiplexing of neuron states, with the potential of significantly reducing the computation time compared to sequential architectures. We illustrate its performance on two standard benchmark tasks. The present work represents an important advance towards high speed, low footprint, all optical photonic information processing.
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