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Demonstration of a distributed feedback laser diode working as a graded-potential-signaling photonic neuron and its application to neuromorphic information processing

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Abstract

We find that a commonly-used distributed feedback laser diode (DFB-LD) can work as a graded-potential-signaling photonic neuron. Through theoretical and experimental demonstration, DFB-LDs are proved useful for three graded-potential-signaling-based neuromorphic processing applications of the pattern recognition, the single-wavelength implementation of spike timing dependent plasticity (STDP), and the sound azimuth measurement. The pattern recognition with a full-width-at-half-maximum (FWHM) of 1 μs is realized in the experiment.

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Acknowledgements

This work was supported by National Key R&D Program of China (Grant No. 2019YFB2203700) and National Natural Science Foundation of China (Grant No. 61822508).

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Authors and Affiliations

  1. State Key Laboratory of Advanced Optical Communication Systems and Networks, Intelligent Microwave Lightwave Integration Innovation Center (iMLic), Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China

    Bowen Ma & Weiwen Zou

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  1. Bowen Ma
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  2. Weiwen Zou
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Correspondence to Weiwen Zou.

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Ma, B., Zou, W. Demonstration of a distributed feedback laser diode working as a graded-potential-signaling photonic neuron and its application to neuromorphic information processing. Sci. China Inf. Sci. 63, 160408 (2020). https://doi.org/10.1007/s11432-020-2887-6

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  • DOI: https://doi.org/10.1007/s11432-020-2887-6

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