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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.optics2025★ 6 cited

Model-free estimation of the Cramér-Rao bound for deep-learning microscopy in complex media

Ilya Starshynov, Maximilian Weimar, Lukas M. Rachbauer +4

Artificial neural networks have become important tools to harness the complexity of disordered or random photonic systems. Recent applications include the recovery of information f…

physics.optics2025★ 2 cited

Extraction of Bend-Resolved Modal Basis in Deformed Multimode Fiber

Lubomir Skvarenina, Stephen Simpson, Yashar Alizadeh +1

Mode mixing in optical fibers caused by mechanical bending induces perturbations that distort the spatial field profile of coherent beams as they propagate through few-mode or mult…

physics.optics2025

Ultrafast and compact photonic-electronic leaky integrate-and-fire circuits based upon resonant tunnelling diodes

Joshua Robertson, Dylan Black, Giovanni Donati +8

This work provides a first report of ultrafast and compact photonic-electronic neuromorphic temporal leaky integrate-and-fire neuronal circuits built with Resonant Tunnelling Diode…

physics.optics2025★ 2 cited

Knife-Edge Diffraction of Scalar and Vector Vortex Light

Richard Aguiar Maduro, Amanda Kronhardt Fritsch, Sonja Franke-Arnold

Various methods have been introduced to measure the orbital angular momentum (OAM) of light, from fork holograms to Dove prism interferometers, from tilted lenses to triangular ape…