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Low power actuation of sessile droplets is of primary interest for portable or hybrid lab-on-a-chip and harmless manipulation of biofluids. In this paper, we show that the acoustic power required to move or deform droplets via surface…

Fluid Dynamics · Physics 2015-06-04 Michael Baudoin , Philippe Brunet , Olivier Bou Matar , Etienne Herth

Cell shape analysis is important in biomedical research. Deep learning methods may perform to segment individual cells if they use sufficient training data that the boundary of each cell is annotated. However, it is very time-consuming for…

Image and Video Processing · Electrical Eng. & Systems 2020-02-26 Kazuya Nishimura , Dai Fei Elmer Ker , Ryoma Bise

Traditional segmentation networks approach anatomical structures as standalone elements, overlooking the intrinsic hierarchical connections among them. This study introduces Softmax for Arbitrary Label Trees (SALT), a novel approach…

Surface Acoustic Wave gas sensors have garnered increasing attention as highly sensitive, miniaturized, and wireless compatible platforms for molecular detection. Their unique ability to convert surface perturbations into measurable…

In concentrated macromolecular dispersions, far-from-ideal intermolecular interactions determine the dispersion behaviors including phase transition, crystallization, and liquid-liquid phase separation. Here, we present a novel versatile…

Soft Condensed Matter · Physics 2024-03-18 Quy Ong , Xufeng Xu , Francesco Stellacci

High-speed modulation and deterministic control of optical nonlinear processes in nanomaterials are essential for realizing future nanoscale optoelectronic devices. Applying strain is a ubiquitous and versatile approach to deform atomically…

In this manuscript, the temporal rainbow effect for surface acoustic waves (SAW) is illustrated through a temporal analog of space metagradings. We show that a time-modulated array of mechanical resonators induces a wavenumber-preserving…

Applied Physics · Physics 2024-01-26 Jonatha Santini , Xingbo Pu , Antonio Palermo , Francesco Braghin , Emanuele Riva

On-chip technology based on acoustic waves is a strong asset in modern telecommunication with the prospects of becoming a cornerstone of next-generation devices. In this context, mapping and manipulating acoustic waves through coherent…

Applied Physics · Physics 2023-11-28 Pitanti , Alessandro , Yuan , Mingyun , Zanotto , Simone , Santos , Paulo V

This paper presents surface acoustic wave (SAW) acoustic delay lines (ADL) for studying propagation loss mechanisms in Lithium Niobate (LN). Devices were fabricated by depositing 50 nm aluminum patterns on 600 nm X-Cut LN on amorphous…

Optical communication systems, which operate at very high rates, are often limited by the sampling rate bottleneck. The optical wideband regime may exceed analog to digital converters (ADCs) front-end bandwidth. Multi-channel sampling…

Information Theory · Computer Science 2017-10-11 Omri Lev , Tal Wiener , Deborah Cohen , Yonina C. Eldar

We use both theory and experiment to study the response of {\it partially wetting} films of water and surfactant solutions to a propagating MHz vibration in the solid substrate in the form of a Rayleigh surface acoustic wave (SAW). The SAW…

Fluid Dynamics · Physics 2018-10-16 Gennady Altshuler , Ofer Manor

The goal of the acoustic scene classification (ASC) task is to classify recordings into one of the predefined acoustic scene classes. However, in real-world scenarios, ASC systems often encounter challenges such as recording device…

We use a direct phase-resolved optical technique to study the coherence of spin waves (SWs) that are driven by surface acoustic waves (SAWs) via resonant magnetoelastic coupling. For this, we employ a piezoelectric lithium tantalate…

Mesoscale and Nanoscale Physics · Physics 2026-03-09 Yannik Kunz , Florian Kraft , David Breitbach , Torben Pfeifer , Matthias Küß , Stephan Glamsch , Manfred Albrecht , Mathias Weiler

Diffusion models manifest evident benefits across diverse domains, yet their high sampling cost, requiring dozens of sequential model evaluations, remains a major limitation. Prior efforts mainly accelerate sampling via optimized solvers or…

Machine Learning · Computer Science 2025-09-22 Haoran Zhao , Tong Bai , Lei Huang , Xiaoyu Liang

Source separation (SS) aims to separate individual sources from an audio recording. Sound event detection (SED) aims to detect sound events from an audio recording. We propose a joint separation-classification (JSC) model trained only on…

Sound · Computer Science 2019-12-10 Qiuqiang Kong , Yong Xu , Wenwu Wang , Mark D. Plumbley

Using Rayleigh surface acoustic waves (SAW), the Young's modulus, the density and the thickness of polycrystalline Silicon-Germanium (SiGe) films deposited on silicon and SiO2 were measured, in excellent agreement with theory. The…

Other Computer Science · Computer Science 2007-11-29 A. Bennis , C. Leinenbach , C. Raudzis , R. Müller-Fiedler , S. Kronmüller

Surface acoustic waves (SAWs) are a powerful tool for controlling a wide range of quantum systems, particularly quantum dots (QDs) via their oscillating strain fields. The resulting energy modulation of these single photon sources can be…

Mesoscale and Nanoscale Physics · Physics 2024-07-18 Thomas Descamps , Tanguy Schetelat , Jun Gao , Philip J. Poole , Dan Dalacu , Ali W. Elshaari , Val Zwiller

This work aims to leverage pre-trained foundation models, such as contrastive language-image pre-training (CLIP) and segment anything model (SAM), to address weakly supervised semantic segmentation (WSSS) using image-level labels. To this…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Xiaobo Yang , Xiaojin Gong

Charge carrier transport is pivotal in advancing nanoelectronics. Despite progress in exciton transport within ultra-thin semiconductors, the intertwined transport of free carriers and excitons presents challenges. Surface Acoustic Waves…

Optics · Physics 2025-03-11 Xueqian Sun , Shuyao Qiu , Hao Qin , Yuerui Lu

We observed surface acoustic wave (SAW) propagation on a multiferroic material CuB$_2$O$_4$ with use of two interdigital transducers (IDTs). The period of IDT fingers is as short as 1.6 $\mu$m so that the frequency of SAW is 3 GHz, which is…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 R. Sasaki , Y. Nii , Y. Onose
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