Abstract
We implemented a laser synapse based on a diode-pumped erbium-doped fiber laser. The laser is driven by a presynaptic FitzHung-Nagumo electronic neuron and its intensity converted to the electric signal by a photodetector serves as an input signal for a postsynaptic FitzHung-Nagumo electronic neuron. The laser synapse provides very high flexibility for controlling the neuron dynamics to obtain different dynamical regimes, from silence to periodic oscillations, bursts, and chaos. The system complexity is demonstrated through the Shannon entropy. The proposed synapse can be beneficial for efficient biorobotics where behavioral flexibility and synaptic plasticity are challenges.
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Pisarchik, A.N., Sevilla-Escoboza, R., Jaimes-Reátegui, R., Huerta-Cuellar, G., Kazantsev, V.B. (2014). Laser Synapse. In: Mladenov, V.M., Ivanov, P.C. (eds) Nonlinear Dynamics of Electronic Systems. NDES 2014. Communications in Computer and Information Science, vol 438. Springer, Cham. https://doi.org/10.1007/978-3-319-08672-9_22
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DOI: https://doi.org/10.1007/978-3-319-08672-9_22
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