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SIMPEL: circuit model for photonic spike processing laser neurons.

Author(s): Shastri, Bhavin J; Nahmias, Mitchell A; Tait, Alexander N; Wu, Ben; Prucnal, Paul R

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Abstract: We propose an equivalent circuit model for photonic spike processing laser neurons with an embedded saturable absorber—a simulation model for photonic excitable lasers (SIMPEL). We show that by mapping the laser neuron rate equations into a circuit model, SPICE analysis can be used as an efficient and accurate engine for numerical calculations, capable of generalization to a variety of different types of laser neurons with saturable absorber found in literature. The development of this model parallels the Hodgkin-Huxley model of neuron biophysics, a circuit framework which brought efficiency, modularity, and generalizability to the study of neural dynamics. We employ the model to study various signal-processing effects such as excitability with excitatory and inhibitory pulses, binary all-or-nothing response, and bistable dynamics.
Publication Date: 23-Mar-2015
Citation: Shastri, Bhavin J, Nahmias, Mitchell A, Tait, Alexander N, Wu, Ben, Prucnal, Paul R. (2015). SIMPEL: circuit model for photonic spike processing laser neurons.. Opt Express, 23 (6), 8029 - 8044
EISSN: 1094-4087
Pages: 8029 - 8044
Language: eng
Type of Material: Journal Article
Journal/Proceeding Title: Opt Express
Version: Final published version. This is an open access article.

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