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Sensors 2013, 13(12), 17322-17331; doi:10.3390/s131217322
Article

Experimental Implementation of a Biometric Laser Synaptic Sensor

1,2,* , 3
,
3
,
3
,
3
 and
4,5
1 Centro de Investigaciones en Optica, Loma del Bosque 115, Lomas del Campestre, Leon 37150, Guanajuato, Mexico 2 Centre for Biomedical Technology, Technical University of Madrid, Campus Montegancedo,Pozuelo de Alarcon 28223, Madrid, Spain 3 Centro Universitario de Los Lagos, Universidad de Guadalajara, Enrique Díaz de León 1144, Paseo de la Montaña, Lagos de Moreno, Jalisco 47460, Mexico 4 Institute of Applied Physics of Russian Academy of Science, 46 Uljanov Str., Nizhny Novgorod 603950, Russia 5 Lobachevsky State University of Nizhni Novgorod, 23 Gagarin Ave.,Nizhny Novgorod 603950, Russia
* Author to whom correspondence should be addressed.
Received: 26 October 2013 / Revised: 27 November 2013 / Accepted: 3 December 2013 / Published: 16 December 2013
(This article belongs to the Section Physical Sensors)
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Abstract

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.
Keywords: fiber laser; electronic circuit; neuron; synapse; artificial intelligence; neuroengineering; biorobotics; pump modulation fiber laser; electronic circuit; neuron; synapse; artificial intelligence; neuroengineering; biorobotics; pump modulation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Pisarchik, A.N.; Sevilla-Escoboza, R.; Jaimes-Reátegui, R.; Huerta-Cuellar, G.; García-Lopez, J.H.; Kazantsev, V.B. Experimental Implementation of a Biometric Laser Synaptic Sensor. Sensors 2013, 13, 17322-17331.

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