Subwavelength neuromorphic nanophotonic integrated circuits for spike-based computing: challenges and prospects

B. Romeira, J. B. Nieder, B. Jacob, R. M. R. Adão, F. Camarneiro, J. Arturo Alanis, M. Hejda, A. Hurtado, J. Lourenço, D. Castro Alves, J. M. L. Figueiredo, I. Ortega-Piwonka, J. Javaloyes

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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Abstract

Event-activated biological-inspired subwavelength (sub-λ) optical neural networks are of paramount importance for energy-efficient and high-bandwidth artificial intelligence (AI) systems. Despite the significant advances to build active optical artificial neurons using for example phase-change materials, lasers, photodetectors, and modulators, miniaturized integrated sources and detectors suited for few-photon spike-based operation and of interest for neuromorphic optical computing are still lacking. In this invited paper we outline the main challenges, opportunities, and recent results towards the development of interconnected neuromorphic nanoscale light-emitting diodes (nanoLEDs) as key-enabling artificial spiking neuron circuits in photonic neural networks. This method of spike generation in neuromorphic nanoLEDs paves the way for sub-λ incoherent neural circuits for fast and efficient asynchronous brain-inspired computation.
Original languageEnglish
Title of host publicationProceedings Volume 11804, Emerging Topics in Artificial Intelligence (ETAI) 2021
Place of PublicationSan Diego, California, United States
Chapter118040D
Volume11804
ISBN (Electronic)9781510644472
DOIs
Publication statusPublished - 2 Sep 2021
EventEmerging Topics in Artificial Intelligence 2021 - San Diego, United States
Duration: 1 Aug 20215 Aug 2021

Publication series

NameEmerging Topics in Artificial Intelligence
PublisherSPIE
Volume11804

Conference

ConferenceEmerging Topics in Artificial Intelligence 2021
Abbreviated titleETAI 2021
Country/TerritoryUnited States
CitySan Diego
Period1/08/215/08/21

Keywords

  • neural networks
  • nanophotonics
  • light emitting diodes
  • integrated circuits
  • nanoLEDs
  • neuromorphic computing
  • optical interconnects
  • resonant tunnelling diodes (RTDs)
  • spiking neural networks

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