Fig. 6
From: Perspective on photonic memristive neuromorphic computing
a Qualitative comparison of computational speed and efficiency for different technologies: human brain, digital electronics, microwave electronics, neuromorphic electronics, silicon photonics, neuromorphic photonic and super-resolved neuromorphic photonics. b Timescale comparison between TrueNorth, biological neuron, HICANN and photonics spike processing. Reproduced from ref. [56] with permission