Experimental implementation of a biometric laser synaptic sensor

We fabricate a biometric laser fiber synaptic sensor to transmit information from one neuron cell to the other by an optical way. The optical synapse is constructed on the base of an erbium-doped fiber laser, whose pumped diode current is driven by a pre-synaptic FitzHugh-Nagumo electronic neuron, a...

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Published inSensors (Basel, Switzerland) Vol. 13; no. 12; pp. 17322 - 17331
Main Authors Pisarchik, Alexander N, Sevilla-Escoboza, Ricardo, Jaimes-Reátegui, Rider, Huerta-Cuellar, Guillermo, García-Lopez, J Hugo, Kazantsev, Victor B
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 16.12.2013
Molecular Diversity Preservation International (MDPI)
Subjects
artificial intelligence
Biometrics
Biometry - methods
biorobotics
Biosensing Techniques - methods
electronic circuit
fiber laser
Lasers
Memory
neuroengineering
neuron
Neurons
pump modulation
Sensors
synapse
Synaptic Transmission - physiology
Mexico
Russia
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Summary:We fabricate a biometric laser fiber synaptic sensor to transmit information from one neuron cell to the other by an optical way. The optical synapse is constructed on the base of an erbium-doped fiber laser, whose pumped diode current is driven by a pre-synaptic FitzHugh-Nagumo electronic neuron, and the laser output controls a post-synaptic FitzHugh-Nagumo electronic neuron. The implemented laser synapse displays very rich dynamics, including fixed points, periodic orbits with different frequency-locking ratios and chaos. These regimes can be beneficial for efficient biorobotics, where behavioral flexibility subserved by synaptic connectivity is a challenge.
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ISSN:1424-8220
1424-8220
DOI:10.3390/s131217322