Strategies for training optical neural networks

Special Topic: Novel Optoelectronic Devices

Open Access

Figure 1

Training strategies for ONNs. (A) and (B) Two different training strategies to map parameters from pre-trained models. (C)–(F) Four in-situ training strategies using finite difference, backpropagation with the adjoint method, genetic algorithm, and zeroth-order optimization, respectively. (G) Physical aware training strategies for physical neural networks.

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