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Towards integrated optical spiking neural networks: Delaying spikes on chip

机译:迈向集成的光学尖峰神经网络:延迟芯片上的尖峰

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To emulate Spiking Neural Networks (SNN) on an integrated photonic chip, one needs both excitable optical components, to mimic the spiking neurons, and delay lines acting as the connections that transfer the pulses between those neurons. Such an optical connection needs to have a delay in the order of magnitude of the internal timescale of the neuron. Recently, we showed how passive silicon-on-insulator microring resonators can be used as an all-optical spiking neuron. In this paper, we investigate how the dynamics of the microring can be used to obtain a meaningful spike delay. The possibility to delay spikes on chip paves the way towards fully integrated optical SNNs.
机译:为了在集成的光子芯片上模拟尖峰神经网络(SNN),既需要可激发的光学组件来模仿尖峰神经元,又需要延迟线作为在这些神经元之间传递脉冲的连接。这样的光学连接需要具有神经元内部时间尺度的数量级的延迟。最近,我们展示了无源绝缘体上硅微环谐振器如何用作全光尖峰神经元。在本文中,我们研究了微环的动力学如何可用于获得有意义的尖峰延迟。延迟芯片尖峰的可能性为完全集成的光学SNN铺平了道路。

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