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This letter studies the dynamical behavior of spin-Hall nanoscillators from a micromagnetic point of view. The model parameters have been identified by reproducing recent experimental data quantitatively. Our results indicate that a…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 A. Giordano , M. Carpentieri , A. Laudani , G. Gubbiotti , B. Azzerboni , G. Finocchio

Oscillating neural networks are promising candidates for a new computational paradigm, where complex optimization problems are solved by physics itself through the synchronization of coupled oscillating circuits. Nanoscale VO$_2$ Mott…

Recent advancements in machine learning have significantly improved speech recognition, but recognizing speech from non-fluent or accented speakers remains a challenge. Previous efforts, relying on rule-based pronunciation patterns, have…

Computation and Language · Computer Science 2025-06-04 Anna Seo Gyeong Choi , Jonghyeon Park , Myungwoo Oh

The discovery of the spin torque effect has made magnetic nanodevices realistic candidates for active elements of memory devices and applications. Magnetoresistive effects allow the read-out of increasingly small magnetic bits, and the spin…

Materials Science · Physics 2014-01-07 Nicolas Locatelli , Vincent Cros , Julie Grollier

One of the big challenges of current electronics is the design and implementation of hardware neural networks that perform fast and energy-efficient machine learning. Spintronics is a promising catalyst for this field with the capabilities…

Mesoscale and Nanoscale Physics · Physics 2022-01-17 Jan Kaiser , William A. Borders , Kerem Y. Camsari , Shunsuke Fukami , Hideo Ohno , Supriyo Datta

We investigate the potential of stochastic neural networks for learning effective waveform-based acoustic models. The waveform-based setting, inherent to fully end-to-end speech recognition systems, is motivated by several comparative…

Machine Learning · Statistics 2021-08-17 Dino Oglic , Zoran Cvetkovic , Peter Sollich

Spin-based computing is emerging as a powerful approach for energy-efficient and high-performance solutions to future data processing hardware. Spintronic devices function by electrically manipulating the collective dynamics of the electron…

Neural network-based speaker recognition has achieved significant improvement in recent years. A robust speaker representation learns meaningful knowledge from both hard and easy samples in the training set to achieve good performance.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-31 Ruijie Tao , Kong Aik Lee , Zhan Shi , Haizhou Li

In this paper, we study the dynamics of slow oscillations in Purkinje neurons in vitro, and derive a strong association with a forced parametric oscillator model. We demonstrate the precise rhythmicity of the oscillations in Purkinje…

Biological Physics · Physics 2015-06-03 Ze'ev R. Abrams , Ajithkumar Warrier , Yuan Wang , Dirk Trauner , Xiang Zhang

Spin transfer magnetization dynamics have led to considerable advances in Spintronics, including opportunities for new nanoscale radiofrequency devices. Among the new functionalities is the radiofrequency(rf) detection using the spin diode…

Autoencoders are able to learn useful data representations in an unsupervised matter and have been widely used in various machine learning and computer vision tasks. In this work, we present methods to train Invertible Neural Networks…

Machine Learning · Computer Science 2023-03-22 The-Gia Leo Nguyen , Lynton Ardizzone , Ullrich Köthe

We study, both experimentally and by numerical modeling, the magnetic dynamics that can be excited in a magnetic thin-film nanopillar device using the spin torque from a spatially localized current injected via a 10s-of-nm-diameter…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 G. Finocchio , O. Ozatay , L. Torres , R. A. Buhrman , D. C. Ralph , B. Azzerboni

Neural networks have revolutionized the area of artificial intelligence and introduced transformative applications to almost every scientific field and industry. However, this success comes at a great price; the energy requirements for…

We use He$^+$ irradiation to tune the nonlinearity, $\mathcal{N}$, of all-perpendicular spin-torque nano-oscillators (STNOs) using the He$^+$ fluence-dependent perpendicular magnetic anisotropy (PMA) of the [Co/Ni] free layer. Employing…

Neuromorphic computing aims to reproduce the energy efficiency and adaptability of biological intelligence in hardware. Superconducting devices are an attractive platform due to their ultra-low dissipation and fast switching dynamics. Here…

Superconductivity · Physics 2026-02-17 Khalil Harrabi , Leonardo Cadorim , Milorad Milosevic

Inspired by the operation of biological brains, Spiking Neural Networks (SNNs) have the unique ability to detect information encoded in spatio-temporal patterns of spiking signals. Examples of data types requiring spatio-temporal processing…

Neural and Evolutionary Computing · Computer Science 2021-04-27 Nicolas Skatchkovsky , Hyeryung Jang , Osvaldo Simeone

Oscillator networks represent a promising technology for unconventional computing and artificial intelligence. Thus far, these systems have primarily been demonstrated in small-scale implementations, such as Ising Machines for solving…

Disordered Systems and Neural Networks · Physics 2025-04-17 Théophile Rageau , Julie Grollier

We present a novel neural encoder system for acoustic-to-articulatory inversion. We leverage the Pink Trombone voice synthesizer that reveals articulatory parameters (e.g tongue position and vocal cord configuration). Our system is designed…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-21 Mateo Cámara , Fernando Marcos , José Luis Blanco

Neuromorphic Computing (NC) and Spiking Neural Networks (SNNs) in particular are often viewed as the next generation of Neural Networks (NNs). NC is a novel bio-inspired paradigm for energy efficient neural computation, often relying on…

Robotics · Computer Science 2024-09-18 Andreas Ziegler , Karl Vetter , Thomas Gossard , Jonas Tebbe , Sebastian Otte , Andreas Zell

Natural and artificial audition can in principle acquire different solutions to a given problem. The constraints of the task, however, can nudge the cognitive science and engineering of audition to qualitatively converge, suggesting that a…

Sound · Computer Science 2023-04-20 Federico Adolfi , Jeffrey S. Bowers , David Poeppel