Comprehensive performance analysis of a VCSEL-based photonic reservoir computer

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Abstract

Optical neural networks offer radically new avenues for ultrafast, energy-efficient hardware for machine learning and artificial intelligence. Reservoir Computing (RC), given its high performance and cheap training has attracted considerable attention for photonic neural network implementations, principally based on semiconductor lasers (SLs). Among SLs, Vertical Cavity Surface Emitting Lasers (VCSELs) possess unique attributes, e.g. high speed, low power, rich dynamics, reduced cost, ease to integrate in array architectures, making them valuable candidates for future photonic neural networks. This work provides a comprehensive analysis of a telecom-wavelength GHz-rate VCSEL RC system, revealing the impact of key system parameters on its performance across different processing tasks.
Original languageEnglish
Article number9415868
Pages (from-to)920-923
Number of pages4
JournalIEEE Photonics Technology Letters
Volume33
Issue number16
Early online date26 Apr 2021
DOIs
Publication statusPublished - 15 Aug 2021

Keywords

  • optical computing
  • vertical cavity surface 15 emitting lasers
  • neural networks

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