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The interrogation of a sensor based on a highly birefringent film irradiated by an incident beam whose polarization is oriented 45o with respect to the normal film axes is shown to display exceptional features and resolve some outstanding…

Optics · Physics 2017-10-24 Keren Hakshur , Sivan Trajtenberg-Mills , Shlomo Ruschin

In this study, we report a first experimental demonstration of pulse compression by a gradual refractive index front moving in a periodically modulated silicon waveguide, the so-called optical push broom effect. Optical push broom captures…

This paper presents an attractive method towards sensing and quantifying the concentration of dielectric particles suspended in a highly conductive medium. Fast electrical impedance spectroscopy (EIS) measurements were performed, based on…

Signal Processing · Electrical Eng. & Systems 2019-03-26 Roberto G. Ramírez-Chavarría , Celia Sánchez-Pérez

In this paper, we propose a novel concept for engineered molecular communication (MC) systems inspired by animal olfaction. We focus on a multi-user scenario where several transmitters wish to communicate with a central receiver. We assume…

Information Theory · Computer Science 2022-03-09 Vahid Jamali , Helene M. Loos , Andrea Buettner , Robert Schober , H. Vincent Poor

Neuromorphic vision sensors require efficient real-time pattern recognition, yet conventional architectures struggle with energy and latency constraints. Here, we present a novel in-situ spatiotemporal sequence detector that leverages…

Optically pumped magnetometers (OPMs) based on alkali-atom vapors are ultra-sensitive devices for dc and low-frequency ac magnetic measurements. Here, in combination with fast-field-cycling hardware and high-resolution spectroscopic…

Chemical Physics · Physics 2021-07-21 Sven Bodenstedt , Morgan Mitchell , Michael Tayler

Accurate finger force estimation is critical for next-generation human-machine interfaces. Traditional electromyography (EMG)-based decoding methods using deep learning require large datasets and high computational resources, limiting their…

Neural and Evolutionary Computing · Computer Science 2025-08-01 Farah Baracat , Giacomo Indiveri , Elisa Donati

Predicting human olfactory perception from molecular structure has seen remarkable progress, yet these approaches require explicit chemical structure at inference, which is not available in practical sensing settings. We address this gap by…

We demonstrate temporal measurements of subpicosecond optical pulses via time-to-frequency conversion in a 45cm long CMOS compatible high index glass spiral waveguide. The measurements are based on efficient four wave mixing in the C-band,…

We present an optical wavefront shaping approach that allows tracking and localization of signal hidden inside or behind a scattering medium. The method combines traditional feedback based wavefront shaping together with a switch function,…

Pulsed pumped four-wave mixing process via $\chi^{(3)}$ non-linearity in optical fiber can generate optical pulses with continuous variable quantum correlation. However, pair-wise correlation of the generated pulses in this system has not…

Quantum Physics · Physics 2023-01-11 Wen Zhao , Xueshi Guo , Xiaoying Li

The fabrication and experimental characterization of a thermal flow meter, capable of detecting and measuring two independent gas flows with a single chip, is described. The device is based on a 4 x 4 mm2 silicon chip, where a series of…

Other Computer Science · Computer Science 2008-12-18 P. Bruschi , M. Dei , M. Piotto

Scanning probe microscopy with multi-qubit sensors offers the potential to improve imaging speed and measure previously inaccessible quantities, such as two-point correlations. We develop a multiplexed quantum sensing approach with scanning…

Quantum Physics · Physics 2025-10-09 William S. Huxter , Federico Dalmagioni , Christian L. Degen

Event camera is an asynchronous, high frequency vision sensor with low power consumption, which is suitable for human action understanding task. It is vital to encode the spatial-temporal information of event data properly and use standard…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Chaoxing Huang

Semiconducting metal oxide (SMOX)-based gas sensors are indispensable for safety and health applications, e.g. explosive, toxic gas alarms, controls for intake into car cabins and monitor for industrial processes. In the past, the sensor…

The use of a gas cell as a target for laser weakfield acceleration (LWFA) offers the possibility to obtain stable and manageable laser-plasma interaction process, a mandatory condition for practical applications of this emerging technique,…

Optics · Physics 2019-04-17 F. Brandi , F. Giammanco , F. Conti , F. Sylla , G. Lambert , L. A. Gizzi

This study developed an improved dog heart rate and blood oxygen sensor system using Arduino. Traditional methods face accuracy and reliability issues. Our system integrates advanced computational techniques with hardware-based sensing to…

Human-Computer Interaction · Computer Science 2024-06-11 Yanhui Jiang , Jin Cao , Chang Yu

Recently, a novel bio-inspired spike camera has been proposed, which continuously accumulates luminance intensity and fires spikes while the dispatch threshold is reached. Compared to the conventional frame-based cameras and the emerging…

Multimedia · Computer Science 2019-12-23 Siwei Dong , Lin Zhu , Daoyuan Xu , Yonghong Tian , Tiejun Huang

Neuromorphic computing promises to transform AI systems by enabling them to perceive, respond to, and adapt swiftly and accurately to dynamic data and user interactions. However, traditional silicon-based and hybrid electronic technologies…

Optics · Physics 2025-07-09 Robert Otupiri , Ripalta Stabile

The integration of biological principles into artificial olfactory systems has led to significant advancements in odor detection and classification. Inspired by the intricate mechanisms of natural olfaction, researchers are developing…

Neurons and Cognition · Quantitative Biology 2025-02-13 Ravirajan K , Arvind Sundararajan
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