Opto-Electronic Spiking Neuron Using Integrated Photodetector and Resonant Tunnelling Diode

We present a study of coupling an InP-based photonic integrated photodetector to a resonant tunnelling diode (RTD) for generating optically-triggered electronic spikes. Individual device characterisation of the joint opto-electronic spiking neuron highlights a <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$1.09 \mathrm{A} / \mathrm{W}$</tex> photodetector responsivity and versatile RTD excitability with a <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$\mathbf{1 4. 5 n s}$</tex> refractory period.

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Publication Details

Published
2025-11-09
DOI
https://doi.org/10.1109/ipc65510.2025.11282386
Primary Topic
Neural Networks and Reservoir Computing
Type
article
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article

Opto-Electronic Spiking Neuron Using Integrated Photodetector and Resonant Tunnelling Diode

K.A. Williams, V. Dolores-Calzadilla, E. Malysheva, D.A. Harmsen
Neural Networks and Reservoir Computing
article

Opto-Electronic Spiking Neuron Using Integrated Photodetector and Resonant Tunnelling Diode

K.A. Williams, V. Dolores-Calzadilla, E. Malysheva, D.A. Harmsen
article en

Abstract

We present a study of coupling an InP-based photonic integrated photodetector to a resonant tunnelling diode (RTD) for generating optically-triggered electronic spikes. Individual device characterisation of the joint opto-electronic spiking neuron highlights a <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$1.09 \mathrm{A} / \mathrm{W}$</tex> photodetector responsivity and versatile RTD excitability with a <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$\mathbf{1 4. 5 n s}$</tex> refractory period.

Eindhoven University of Technology (NL)
Openalex Percentile: Top 19%
Neural Networks and Reservoir Computing
DOISourceOpenAlex
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