Investigation of vertical cavity surface emitting laser dynamics for neuromorphic photonic systems

Hurtado, A. and Schires, K. and Henning, I. D. and Adams, M. J. (2012) Investigation of vertical cavity surface emitting laser dynamics for neuromorphic photonic systems. Applied Physics Letters, 100 (10). 103703. ISSN 0003-6951

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Abstract

We report an approach based upon vertical cavity surface emitting lasers (VCSELs) to reproduce optically different behaviors exhibited by biological neurons but on a much faster timescale. The technique proposed is based on the polarization switching and nonlinear dynamics induced in a single VCSEL under polarized optical injection. The particular attributes of VCSELs and the simple experimental configuration used in this work offer prospects of fast, reconfigurable processing elements with excellent fan-out and scaling potentials for use in future computational paradigms and artificial neural networks.