Towards neuromorphic photonic networks of ultrafast spiking laser neurons

J. Robertson, E. Wade, Y. Kopp, J. Bueno, A. Hurtado

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Abstract

We report on ultrafast artificial laser neurons and on their potentials for future neuromorphic (brain-like) photonic information processing systems. We introduce our recent and ongoing activities demonstrating controllable excitation of spiking signals in optical neurons based upon Vertical-Cavity Surface Emitting Lasers (VCSEL-Neurons). These spiking regimes are analogous to those exhibited by biological neurons, but at sub-nanosecond speeds (>7 orders of magnitude faster). We also describe diverse approaches, based on optical or electronic excitation techniques, for the activation/inhibition of sub-ns spiking signals in VCSEL-Neurons. We report our work demonstrating the communication of spiking patterns between VCSEL-Neurons towards future implementations of optical neuromorphic networks. Furthermore, new findings show that VCSEL-Neurons can perform multiple neuro-inspired spike processing tasks. We experimentally demonstrate photonic spiking memory modules using single and mutually-coupled VCSEL-Neurons. Additionally, the ultrafast emulation of neuronal circuits in the retina using VCSEL-Neuron systems is demonstrated experimentally for the first time to our knowledge. Our results are obtained with off-the-shelf VCSELs operating at the telecom wavelengths of 1310 and 1550 nm. This makes our approach fully compatible with current optical network and data centre technologies; hence offering great potentials for future ultrafast neuromorphic laser-neuron networks for new paradigms in brain-inspired computing and Artificial Intelligence.

Original languageEnglish
Article number7700715
Number of pages15
JournalIEEE Journal of Selected Topics in Quantum Electronics
Volume26
Issue number1
Early online date25 Jul 2019
DOIs
Publication statusE-pub ahead of print - 25 Jul 2019

Fingerprint

Ultrafast lasers
spiking
neurons
Photonics
Neurons
Surface emitting lasers
photonics
lasers
Fiber optic networks
brain
Brain
artificial intelligence
retina
intelligence
surface emitting lasers
shelves
spikes
excitation
Artificial intelligence
modules

Keywords

  • neuromorphic Photonics
  • neuromorphics
  • neuronal networks
  • neurons
  • nonlinear dynamics
  • optical attenuators
  • optical polarization
  • photonic spiking processing
  • photonics
  • VCSELs
  • vertical cavity surface emitting lasers

Cite this

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abstract = "We report on ultrafast artificial laser neurons and on their potentials for future neuromorphic (brain-like) photonic information processing systems. We introduce our recent and ongoing activities demonstrating controllable excitation of spiking signals in optical neurons based upon Vertical-Cavity Surface Emitting Lasers (VCSEL-Neurons). These spiking regimes are analogous to those exhibited by biological neurons, but at sub-nanosecond speeds (>7 orders of magnitude faster). We also describe diverse approaches, based on optical or electronic excitation techniques, for the activation/inhibition of sub-ns spiking signals in VCSEL-Neurons. We report our work demonstrating the communication of spiking patterns between VCSEL-Neurons towards future implementations of optical neuromorphic networks. Furthermore, new findings show that VCSEL-Neurons can perform multiple neuro-inspired spike processing tasks. We experimentally demonstrate photonic spiking memory modules using single and mutually-coupled VCSEL-Neurons. Additionally, the ultrafast emulation of neuronal circuits in the retina using VCSEL-Neuron systems is demonstrated experimentally for the first time to our knowledge. Our results are obtained with off-the-shelf VCSELs operating at the telecom wavelengths of 1310 and 1550 nm. This makes our approach fully compatible with current optical network and data centre technologies; hence offering great potentials for future ultrafast neuromorphic laser-neuron networks for new paradigms in brain-inspired computing and Artificial Intelligence.",
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Towards neuromorphic photonic networks of ultrafast spiking laser neurons. / Robertson, J.; Wade, E.; Kopp, Y.; Bueno, J.; Hurtado, A.

In: IEEE Journal of Selected Topics in Quantum Electronics, Vol. 26, No. 1, 7700715, 31.01.2020.

Research output: Contribution to journalArticle

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