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Nuclear magnetic resonance (NMR) experiments on subnanoliter (sub-nL) volumes are hindered by the limited sensitivity of the detector and the difficulties in positioning and holding such small samples in proximity of the detector. Here, we…

Biological Physics · Physics 2018-07-04 E. Montinaro , M. Grisi , M. C. Letizia , L. Pethö , M. A. M. Gijs , R. Guidetti , J. Michler , J. Brugger , G. Boero

SNAP microresonators, which are fabricated by nanoscale effective radius variation (ERV) of the optical fiber with sub-angstrom precision, can be potentially used as miniature classical and quantum signal processors, frequency comb…

Optics · Physics 2020-01-08 Qi Yu , Sajid Zaki , Yong Yang , Nikita Toropov , Xuewen Shu , Misha Sumetsky

Effective mixing is essential for biochemical reactions. In droplet-based microfluidics, immediate mixing of substances upon contact in the droplet formation stage can greatly enhance the uniformity of chemical reactions. Furthermore, it…

Optimizing an industrial-scale supercritical water gasification process requires detailed knowledge of chemical reaction pathways, rates, and product yields. Laboratory-scale reactors are employed to develop this knowledge base. The…

Spiking Neural Networks (SNNs), with their inherent recurrence, offer an efficient method for processing the asynchronous temporal data generated by Dynamic Vision Sensors (DVS), making them well-suited for event-based vision applications.…

Hardware Architecture · Computer Science 2024-11-06 Deepika Sharma , Shubham Negi , Trishit Dutta , Amogh Agrawal , Kaushik Roy

Microfluidic NMR spectroscopy can probe chemical and bio-chemical processes non-invasively in a tightly controlled environment. We present a dual-channel modular probe assembly for high efficiency microfluidic NMR spectroscopy and imaging.…

Instrumentation and Detectors · Physics 2019-05-22 Manvendra Sharma , Marcel Utz

Sequencing batch reactors (SBRs) are devices widely used in wastewater treatment, chemical engineering, and other areas. They allow for the sedimentation and compression of solid particles of biomass simultaneously with biochemical…

Numerical Analysis · Mathematics 2023-04-18 Raimund Bürger , Julio Careaga , Stefan Diehl , Romel Pineda

Small modular reactors (SMRs) are a class of advanced nuclear fission reactors characterized by their compact core size (typically <300 MWe) and passive safety systems. Their modular design enables on-site assembly, making them suitable for…

Physics and Society · Physics 2025-04-04 Yifan Sun , Ken Kurosaki

We evaluate a new approach for achieving diffusion MRI data with high spatial resolution, large volume coverage, and fast acquisition speed. A recent method called gSlider-SMS enables whole-brain sub-millimeter diffusion MRI with high…

Image and Video Processing · Electrical Eng. & Systems 2019-08-19 Justin P. Haldar , Qiuyun Fan , Kawin Setsompop

A spilt-ring resonator experiment suitable for senior physics undergraduates is described and demonstrated in detail. The apparatus consists of a conducting hollow cylinder with a narrow slit along its length and can be accurately modelled…

Physics Education · Physics 2018-11-06 J. S. Bobowski

Strongly Coupled Magnetic Resonance (SCMR) uses electromagnetic resonance in order to efficiently transfer power wirelessly over mid-range distances. Since the energy exchange capability of resonant objects higher than non-resonant objects,…

Signal to noise ratios (SNR) in magnetic resonance microscopy images are limited by acquisition times and the decreasing number of spins in smaller voxels. Significant SNR gains from cooling of the RF receiver are only realized when the…

This paper presents a heterogeneous adaptive mesh refinement (AMR) framework for efficient simulation of moderately stiff reactive problems. This framework features an elaborate subcycling-in-time algorithm along with a specialized…

Computational Physics · Physics 2025-06-04 Yuqi Wang , Yadong Zeng , Ralf Deiterding , Jianhan Liang

In this work, we propose an energy efficient neuromorphic receiver to replace multiple signal-processing blocks at the receiver by a Spiking Neural Network (SNN) based module, called SpikingRx. We propose a deep convolutional SNN with…

Information Theory · Computer Science 2024-09-10 Ankit Gupta , Onur Dizdar , Yun Chen , Stephen Wang

We present a simple lithographic method for fabrication of microresonator devices at the optical fiber surface. First, we undress the predetermined surface areas of a fiber segment from the polymer coating with a focused CO2 laser beam.…

Optics · Physics 2021-04-21 N. Toropov , S. Zaki , T. Vartanyan , M. Sumetsky

The performance of $L$-branch scan-and-wait combining (SWC) reception systems over arbitrarily correlated and not necessarily identically distributed Nakagami-$m$ fading channels is analyzed and evaluated. Firstly, a fast convergent…

Information Theory · Computer Science 2016-11-18 George C. Alexandropoulos , P. Takis Mathiopoulos , Pingzhi Fan

The combination of Spiking Neural Networks (SNNs) and Transformers has attracted significant attention due to their potential for high energy efficiency and high-performance nature. However, existing works on this topic typically rely on…

Neural and Evolutionary Computing · Computer Science 2023-07-18 Ziqing Wang , Yuetong Fang , Jiahang Cao , Qiang Zhang , Zhongrui Wang , Renjing Xu

Reservoir Computing (RC) is a time-efficient computational paradigm derived from Recurrent Neural Networks (RNNs). The Simple Cycle Reservoir (SCR) is an RC model that stands out for its minimalistic design, offering extremely low…

Neural and Evolutionary Computing · Computer Science 2025-04-22 Ziqiang Li , Robert Simon Fong , Kantaro Fujiwara , Kazuyuki Aihara , Gouhei Tanaka

The short packet transmission (SPT) has gained much attention in recent years. In SPT, the most significant characteristic is that the finite blocklength code (FBC) is adopted. With FBC, the signal-to-noise ratio (SNR) cannot be expressed…

Signal Processing · Electrical Eng. & Systems 2024-11-26 Chengzhe Yin , Rui Zhang , Yongzhao Li , Yuhan Ruan , Tao Li , Jiaheng Lu
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