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High-Speed Photonic Reservoir Computing Using a Time-Delay-Based Architecture: Million Words per Second Classification

2017· article· en· 499 citations· W2587524409 on OpenAlex· 10.1103/physrevx.7.011015

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Canadian funderA Canadian agency funded it. The work may carry no Canadian affiliation at all.

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Machine scores (provisional)

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Opus teacher head0.041
GPT teacher head0.320
Teacher spread
0.278 · how far apart the two teachers sit on this one work
Validation status
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Abstract

Reservoir computing, originally referred to as an echo state network or a liquid state machine, is a braininspired paradigm for processing temporal information. It involves learning a "read-out" interpretation for nonlinear transients developed by high-dimensional dynamics when the latter is excited by the information signal to be processed. This novel computational paradigm is derived from recurrent neural network and machine learning techniques. It has recently been implemented in photonic hardware for a dynamical system, which opens the path to ultrafast brain-inspired computing. We report on a novel implementation involving an electro-optic phase-delay dynamics designed with off-the-shelf optoelectronic telecom devices, thus providing the targeted wide bandwidth. Computational efficiency is demonstrated experimentally with speech-recognition tasks. State-of-the-art speed performances reach one million words per second, with very low word error rate. Additionally, to record speed processing, our investigations have revealed computing-efficiency improvements through yet-unexplored temporalinformation-processing techniques, such as simultaneous multisample injection and pitched sampling at the read-out compared to information "write-in".

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

The record

Venue
Physical Review X
Topic
Neural Networks and Reservoir Computing
Field
Computer Science
Canadian institutions
Funders
Seventh Framework ProgrammeConsejo Nacional de Ciencia y TecnologíaAgence Nationale de la RechercheOttawa Hospital Research Institute
Keywords
Reservoir computingComputer scienceArchitecturePhotonicsParallel computingReal-time computingComputer architectureComputational scienceArtificial intelligenceOptoelectronicsPhysicsArtificial neural networkRecurrent neural network
Has abstract in OpenAlex
yes