activity
20202025
most citedBraided interferometer mesh for robust photonic matrix-vector multiplications with non-ideal components

11 citations · 30 across the 11 of their papers we have counts for

collaborators

12 papers

physics.optics2025

Resonate-and-Fire Photonic-Electronic Spiking Neurons for Fast and Efficient Light-Enabled Neuromorphic Processing Systems

Andrew Adair, Dafydd Owen-Newns, Giovanni Donati +7

Neuromorphic computing seeks to replicate the spiking dynamics of biological neurons for brain-inspired computation. While electronic implementations of artificial spiking neurons…

physics.optics2024★ 11 cited

Braided interferometer mesh for robust photonic matrix-vector multiplications with non-ideal components

Federico Marchesin, Matěj Hejda, Tzamn Melendez Carmona +5

Matrix-vector multiplications (MVMs) are essential for a wide range of applications, particularly in modern machine learning and quantum computing. In photonics, there is growing i…

cs.ET2024

Invited: Neuromorphic architectures based on augmented silicon photonics platforms

Matěj Hejda, Federico Marchesin, George Papadimitriou +6

In this work, we discuss our vision for neuromorphic accelerators based on integrated photonics within the framework of the Horizon Europe NEUROPULS project. Augmented integrated p…

physics.optics2024

Photonic-electronic spiking neuron with multi-modal and multi-wavelength excitatory and inhibitory operation for high-speed neuromorphic sensing and computing

Weikang Zhang, Matěj Hejda, Qusay Raghib Ali Al-Taai +6

We report a multi-modal spiking neuron that allows optical and electronic input and control, and wavelength-multiplexing operation, for use in novel high-speed neuromorphic sensing…

physics.optics2023★ 7 cited

Interfacing spiking VCSEL-neurons with silicon photonics weight banks towards integrated neuromorphic photonic systems

Matěj Hejda, Eli A. Doris, Simon Bilodeau +5

Spiking neurons and neural networks constitute a fundamental building block for brain-inspired computing, which is posed to benefit significantly from photonic hardware implementat…

physics.optics2023★ 9 cited

Optically-triggered deterministic spiking regimes in nanostructure resonant tunnelling diode-photodetectors

Qusay Raghib Ali Al-Taai, Matěj Hejda, Weikang Zhang +4

This work reports a nanostructure resonant tunnelling diode-photodetector (RTD-PD) device and demonstrates its operation as a controllable, optically-triggered excitable spike gene…

cs.ET2022

Photonic Spiking Neural Networks with Highly Efficient Training Protocols for Ultrafast Neuromorphic Computing Systems

Dafydd Owen-Newns, Joshua Robertson, Matej Hejda +1

Photonic technologies offer great prospects for novel ultrafast, energy-efficient and hardware-friendly neuromorphic (brain-like) computing platforms. Moreover, neuromorphic photon…

cs.ET2022

GHz Rate Neuromorphic Photonic Spiking Neural Network with a Single Vertical-Cavity Surface-Emitting Laser (VCSEL)

Dafydd Owen-Newns, Joshua Robertson, Matej Hejda +1

Vertical-Cavity Surface-Emitting Lasers (VCSELs) are highly promising devices for the construction of neuromorphic photonic information processing systems, due to their numerous de…

cs.ET2022★ 2 cited

Artificial optoelectronic spiking neuron based on a resonant tunnelling diode coupled to a vertical cavity surface emitting laser

Matěj Hejda, Ekaterina Malysheva, Dafydd Owen-Newns +9

Excitable optoelectronic devices represent one of the key building blocks for implementation of artificial spiking neurons in neuromorphic (brain-inspired) photonic systems. This w…

cs.ET2021

Photonic neuromorphic computing using vertical cavity semiconductor lasers

Anas Skalli, Joshua Robertson, Dafydd Owen-Newns +5

Photonic realizations of neural network computing hardware are a promising approach to enable future scalability of neuromorphic computing. In this review we provide an overview on…

physics.app-ph2021

Resonant tunnelling diode nano-optoelectronic spiking nodes for neuromorphic information processing

Matěj Hejda, Juan Arturo Alanis, Ignacio Ortega-Piwonka +5

In this work, we introduce an optoelectronic spiking artificial neuron capable of operating at ultrafast rates ( 100 ps/optical spike) and with low energy consumption (…

eess.IV2020★ 1 cited

Convolutional Image Edge Detection Using Ultrafast Photonic Spiking VCSEL Neurons

Joshua Robertson, Yahui Zhang, Matej Hejda +4

We report experimentally and in theory on the detection of edge information in digital images using ultrafast spiking optical artificial neurons towards convolutional neural networ…