Researchers developed a laser-based artificial neuron that fully emulates the functions, dynamics and information processing of a biological graded neuron, which could lead to new breakthroughs in advanced computing.
With a processing speed a billion times faster than nature, chip-based laser neuron could help advance AI tasks such as pattern recognition and sequence prediction.
"Our laser graded neuron overcomes the speed limitations of current photonic versions of spiking neurons and has the potential for even faster operation," said research team leader Chaoran Huang from the Chinese University of Hong Kong."By leveraging its neuron-like nonlinear dynamics and fast processing, we built a reservoir computing system that demonstrates exceptional performance in AI tasks such as pattern recognition and sequence prediction.
"With powerful memory effects and excellent information processing capabilities, a single laser graded neuron can behave like a small neural network," said Huang."Therefore, even a single laser graded neuron without additional complex connections can perform machine learning tasks with high performance."To further demonstrate the capabilities of their laser graded neuron, the researchers used it to make a reservoir computing system.
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