activity
20152022
most citedCharacterisation, Selection and Micro-Assembly of Nanowire Laser Systems

28 citations · 48 across the 7 of their papers we have counts for

collaborators

7 papers

physics.optics2022★ 12 cited

Polarization Modulation in Quantum-Dot Spin-VCSELs for Ultrafast Data Transmission

Christos Tselios, Panagiotis Georgiou, Christina +3

Spin-Vertical Cavity Surface Emitting Lasers (spin-VCSELs) are undergoing increasing research effort for new paradigms in high-speed optical communications and photon-enabled compu…

cs.ET2021

Ultrafast Neuromorphic Photonic Image Processing with a VCSEL Neuron

Joshua Robertson, Paul Kirkland, Juan Arturo Alanis +4

The ever-increasing demand for Artificial Intelligence (AI) systems is underlining a significant requirement for new, AI-optimised hardware. Neuromorphic (brain-like) processors ar…

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 (…

physics.optics2020★ 5 cited

All-optical neuromorphic binary convolution with a spiking VCSEL neuron for image gradient magnitudes

Yahui Zhang, Joshua Robertson, Shuiying Xiang +3

All-optical binary convolution with a photonic spiking vertical-cavity surface-emitting laser (VCSEL) neuron is proposed and demonstrated experimentally for the first time. Optical…

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…

physics.app-ph2020★ 28 cited

Characterisation, Selection and Micro-Assembly of Nanowire Laser Systems

Dimitars Jevtics, John McPhillimy, Benoit Guilhabert +7

Semiconductor nanowire (NW) lasers are a promising technology for the realisation of coherent optical sources with extremely small footprint. To fully realize their potential as bu…