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Over the past decade Spiking Neural Networks (SNN) have emerged as one of the popular architectures to emulate the brain. In SNN, information is temporally encoded and communication between neurons is accomplished by means of spikes. In…

新兴技术 · 计算机科学 2016-12-14 Abhronil Sengupta , Aparajita Banerjee , Kaushik Roy

Recent demonstrations of ultracoherent nanomechanical resonators introduce the prospect of new protocols for solid state sensing applications. Here, we propose to use two coupled ultracoherent resonator modes on a Si$_3$N$_4$ membrane for…

应用物理 · 物理学 2020-07-22 J. Košata , O. Zilberberg , Christian L. Degen , R. Chitra , A. Eichler

Neural coupled oscillators are a useful building block in numerous models and applications. They were analyzed extensively in theoretical studies and more recently, in biologically realistic simulations of spiking neural networks. The…

新兴技术 · 计算机科学 2021-09-16 Renate Krause , Joanne J. A. van Bavel , Chenxi Wu , Marc A. Vos , Alain Nogaret , Giacomo Indiveri

A method is advanced allowing for fast regulation of magnetization direction in magnetic nanosystems. The examples of such systems are polarized nanostructures, magnetic nanomolecules, magnetic nanoclusters, magnetic graphene, dipolar and…

应用物理 · 物理学 2022-10-19 V. I. Yukalov , E. P. Yukalova

As it is getting increasingly difficult to achieve gains in the density and power efficiency of microelectronic computing devices because of lithographic techniques reaching fundamental physical limits, new approaches are required to…

新兴技术 · 计算机科学 2017-07-05 Jean C. Coulombe , Mark C. A. York , Julien Sylvestre

We demonstrate a high-quality spin orbit torque nano-oscillator comprised of spin wave modes confined by the magnetic field by the strongly inhomogeneous dipole field of a nearby micromagnet. This approach enables variable spatial…

介观与纳米尺度物理 · 物理学 2021-12-28 Chi Zhang , Inhee Lee , Yong Pu , Sergei A. Manuilov , Denis V. Pelekhov , P. Chris Hammel

Despite the promise of superior efficiency and scalability, real-world deployment of emerging nanoelectronic platforms for brain-inspired computing have been limited thus far, primarily because of inter-device variations and intrinsic…

The intrinsic dynamics and event-driven nature of spiking neural networks (SNNs) make them excel in processing temporal information by naturally utilizing embedded time sequences as time steps. Recent studies adopting this approach have…

机器学习 · 计算机科学 2024-12-18 Jiaqi Wang , Liutao Yu , Liwei Huang , Chenlin Zhou , Han Zhang , Zhenxi Song , Min Zhang , Zhengyu Ma , Zhiguo Zhang

Spin torque nano-oscillators (STNOs) hold encouraging promise for nanoscale microwave generators, modulators, and new types of intelligent computing. The nonlinearity, describing the current-induced tunability of oscillating frequency, is a…

应用物理 · 物理学 2025-05-13 Zixi Wang , Wenlong Cai , Ao Du , Zanhong Chen , Lei Zhou , Shiyang Lu , Kewen Shi , Weisheng Zhao

Current-induced self-sustained magnetization oscillations in spin-torque nano-oscillators (STNOs) are promising candidates for ultra-agile microwave sources or detectors. While usually STNOs behave as a monochrome source, we report here…

介观与纳米尺度物理 · 物理学 2022-10-19 A. Hamadeh , D. Slobodianiuk , R. Moukhader , G. Melkov , V. Borynskyi , M. Mohseni , G. Finocchio , V. Lomakin , R. Verba , G. de Loubens , P. Pirro , O. Klein

It is challenging to accelerate the training process while ensuring both high-quality generated voices and acceptable inference speed. In this paper, we propose a novel neural vocoder called InstructSing, which can converge much faster…

音频与语音处理 · 电气工程与系统科学 2024-09-11 Chang Zeng , Chunhui Wang , Xiaoxiao Miao , Jian Zhao , Zhonglin Jiang , Yong Chen

Bistability in nanomechanical resonators can be exploited for sensing, signal processing, and memory applications due to its potential for switching and high sensitivity to external stimuli. External vibration can be used to drive a…

应用物理 · 物理学 2025-09-26 Toji Thomas , Kevin F. MacDonald , Eric Plum

Unlike traditional artificial neural networks (ANNs), biological neuronal networks solve complex cognitive tasks with sparse neuronal activity, recurrent connections, and local learning rules. These mechanisms serve as design principles in…

神经与进化计算 · 计算机科学 2026-02-17 Matteo Saponati , Chiara De Luca , Giacomo Indiveri , Benjamin Grewe

The ever-increasing amount of data from ubiquitous smart devices fosters data-centric and cognitive algorithms. Traditional digital computer systems have separate logic and memory units, resulting in a huge delay and energy cost for…

应用物理 · 物理学 2025-03-17 Qiming Shao , Zhongrui Wang , Yan Zhou , Shunsuke Fukami , Damien Querlioz , Leon O. Chua

Spin-torque oscillators are strong candidates as nano-scale microwave generators and detectors. However, because of large amplitude-phase coupling (non-linearity), phase noise is enhanced over other linear auto-oscillators. One way to…

介观与纳米尺度物理 · 物理学 2017-04-05 Muftah Al-Mahdawi , Yusuke Toda , Yohei Shiokawa , Masashi Sahashi

The classification of radio-frequency (RF) signals is crucial for applications in robotics, traffic control, and medical devices. Spintronic devices, which respond to RF signals via ferromagnetic resonance, offer a promising solution.…

信号处理 · 电气工程与系统科学 2025-01-28 Erwann Plouet , Hanuman Singh , Pankaj Sethi , Frank A. Mizrahi , Dedalo Sanz-Hernandez , Julie Grollier

State-of-the-art spoken dialogue models (D\'efossez et al. 2024; Schalkwyk et al. 2025) use neural audio codecs to "tokenize" audio signals into a lower-frequency stream of vectorial latent representations, each quantized using a hierarchy…

声音 · 计算机科学 2026-03-17 Juan Pablo Vigneaux , Jennifer Cole

The motion of a vibrating object is determined by the way it is held. This simple observation has long inspired string instrument makers to create new sounds by devising elegant string clamping mechanisms, whereby the distance between the…

介观与纳米尺度物理 · 物理学 2022-10-31 Yue Ying , Zhuo-Zhi Zhang , Joel Moser , Zi-Jia Su , Xiang-Xiang Song , Guo-Ping Guo

The field of magnonics, which aims at using spin waves as carriers in data processing devices, has attracted increasing interest in recent years. We present and study micromagnetically a nonlinear nanoscale magnonic ring resonator device…

The advancements in smart sensors for Industry 4.0 offer ample opportunities for low-powered predictive maintenance and condition monitoring. However, traditional approaches in this field rely on processing in the cloud, which incurs high…