86 citations · 307 across the 18 of their papers we have counts for
19 papers
Self-Pulsing Microring Resonator Networks for Bandwidth-Efficient Event Detection in an Optical Fiber Sensor
Alessio Lugnan, Yonas Seifu Muanenda, Ilya Auslender +4
The native processing of time-dependent signals from optical sensors by integrated photonic circuits can potentially bring significant advantages in terms of energy consumption, la…
Memory in Integrated Photonic Neural Networks: From Physical Mechanisms to Neuromorphic Architectures
Alessandro Foradori, Ilya Auslender, Stefano Biasi +4
The rapid scaling of artificial neural networks has exposed fundamental limitations of conventional von Neumann computing architectures. In these systems, the physical separation b…
On-Chip Interferometric Excitation of an Infinity-Loop Microresonator
Davide Olivieri, Bülent Aslan, Stefano Biasi +2
Integrated photonics is a powerful platform for exploring Hermitian and non-Hermitian physics. Beyond device geometry, controlling how resonators are driven is crucial to access an…
Photonic neuromorphic processing with coupled spiking silicon microrings
Giovanni Donati, Stefano Biasi, Lorenzo Pavesi +1
Understanding the physical computing mechanisms of individual network nodes is essential for scaling neuromorphic photonic architectures. This work proposes a compact passive nonli…
Roadmap on Neuromorphic Photonics
Daniel Brunner, Bhavin J. Shastri, Mohammed A. Al Qadasi +147
This roadmap consolidates recent advances while exploring emerging applications, reflecting the remarkable diversity of hardware platforms, neuromorphic concepts, and implementatio…
Reservoir computing with all-optical non-fading memory in a self-pulsing microresonator network
Alessio Lugnan, Stefano Biasi, Alessandro Foradori +2
Photonic neuromorphic computing may offer promising applications for a broad range of photonic sensors, including optical fiber sensors, to enhance their functionality while avoidi…
The Taiji microresonator as an unidirectional spiking neuron
Stefano Biasi, Alessandro Foradori, Riccardo Franchi +3
While biological neurons ensure unidirectional signalling, scalable integrated photonic neurons, such as silicon microresonators, respond the same way regardless of excitation dire…
Photonic neural networks based on integrated silicon microresonators
Stefano Biasi, Giovanni Donati, Alessio Lugnan +3
The recent progress of artificial intelligence (AI) has boosted the computational possibilities in fields where standard computers are not able to perform. The AI paradigm is to em…
An array of microresonators as a Photonic Extreme Learning Machine
Stefano Biasi, Riccardo Franchi, Lorenzo Cerini +1
Machine learning technologies have found fertile ground in optics due to its promising features based on speed and parallelism. Feed-forward neural networks are one of the most wid…
Nonlinear response of Silicon Photonics microresonators for reservoir computing neural network
Emiliano Staffoli, Davide Bazzanella, Stefano Biasi +4
Nowadays, Information Photonics is extensively studied and sees applications in many fields. The interest in this breakthrough technology is mainly stimulated by the possibility of…
The infinity-loop microresonator: A new integrated photonic structure working on an exceptional surface
Riccardo Franchi, Stefano Biasi, Diego Piciocchi +1
Exceptional points, where eigenvalues and eigenvectors coalesce, impact the behavior of different photonics components that show, e.g., enhanced sensing, coherent perfect absorptio…
Interferometric cavity ring-down technique for ultra-high Q-factor microresonators
Stefano Biasi, Riccardo Franchi, Lorenzo Pavesi
Microresonators (MRs) are key components in integrated optics. As a result, the estimation of their energy storage capacity as measured by the quality factor (Q) is crucial. Howeve…
A Microring as a Reservoir Computing Node: Memory/Nonlinear Tasks and Effect of Input Non-ideality
Davide Bazzanella, Stefano Biasi, Mattia Mancinelli +1
The nonlinear response of an optical microresonator is used in a time multiplexed reservoir computing neural network. Within a virtual node approach combined with an offline traini…
An interferometric method to estimate the eigenvalues of a Non-Hermitian two-level optical system
Stefano Biasi, Riccardo Franchi, Filippo Mione +1
Non-Hermitian physics has found a fertile ground in optics. Recently, the study of mode degeneracies, i.e. exceptional points, has led to the discovery of intriguing and counterint…
Influence of the bus waveguide on the linear and nonlinear response of a taiji microresonator
Riccardo Franchi, Stefano Biasi, Alberto Muñoz de las Heras +3
We study the linear and nonlinear response of a unidirectional reflector where a nonlinear breaking of the Lorentz reciprocity is observed. The device under test consists of a race…
Nonlinearity-induced reciprocity breaking in a single non-magnetic Taiji resonator
A. Muñoz de las Heras, R. Franchi, S. Biasi +3
We report on the demonstration of an effective, nonlinearity-induced non-reciprocal behavior in a single non-magnetic multi-mode Taiji resonator. Non-reciprocity is achieved by a c…
Reservoir computing based on a silicon microring and time multiplexing for binary and analog operations
Massimo Borghi, Stefano Biasi, Lorenzo Pavesi
Photonic implementations of reservoir computing (RC) promise to reach ultra-high bandwidth of operation with moderate training efforts. Several optoelectronic demonstrations report…
Time response of a microring resonator to a rectangular pulse in different coupling regimes
Stefano Biasi, Pierre Guilleme, Andrea Volpini +2
We discuss the analytical temporal response of a microring resonator excited through a bus waveguide by an optical rectangular pulse. Finite difference time domain (FDTD) simulatio…
Pump-and-probe optical transmission phase shift as a quantitative probe of the Bogoliubov dispersion relation in a nonlinear channel waveguide
P. -É. Larré, S. Biasi, F. Ramiro-Manzano +2
We theoretically investigate the dispersion relation of small-amplitude optical waves superimposing upon a beam of polarized monochromatic light propagating along a single-mode cha…