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Using a very low-resolution analog-to-digital convertor (ADC) unit at each antenna can remarkably reduce the hardware cost and power consumption of a massive multiple-input multiple-output (MIMO) system. However, such a pure low-resolution…

Information Theory · Computer Science 2016-11-17 Ti-Cao Zhang , Chao-Kai Wen , Shi Jin , Tao Jiang

We present the first physical realization of in-pixel signal processing with integrated AI-based data filtering for particle tracking detectors. Building on prior work that demonstrated a physics-motivated edge-AI algorithm suitable for…

Quantum information offers the promise of being able to perform certain communication and computation tasks that cannot be done with conventional information technology (IT). Optical Quantum Information Processing (QIP) holds particular…

Quantum Physics · Physics 2009-11-11 W. J. Munro , Kae Nemoto , T. P. Spiller , S. D. Barrett , Pieter Kok , R. G. Beausoleil

Optical interconnects are becoming a major bottleneck in scaling up future GPU racks and network switches within data centers. Although 200 Gb/s optical transceivers using PAM-4 modulation have been demonstrated, achieving higher data rates…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Marziyeh Rezaei , Dan Sturm , Pengyu Zeng , Sajjad Moazeni

This paper presents a low cost PMOS-based 8T (P-8T) SRAM Compute-In-Memory (CIM) architecture that efficiently per-forms the multiply-accumulate (MAC) operations between 4-bit input activations and 8-bit weights. First, bit-line (BL)…

Hardware Architecture · Computer Science 2022-11-30 Joonhyung Kim , Kyeongho Lee , Jongsun Park

The precise reconstruction of Compton-scatter events is paramount for an imaging medium-energy gamma-ray telescope. The proposed AMEGO-X is enabled by a silicon tracker utilizing AstroPix chips - a pixelated silicon HVCMOS sensor novel for…

Increasing the efficiency and reducing the footprint of on-chip photodetectors enables dense optical interconnects for emerging computational and sensing applications. Avalanche photodetectors (APD) are currently the dominating on-chip…

Instrumentation and Detectors · Physics 2023-11-08 Lining Liu , Simone Bianconi , Skylar Wheaton , Nathaniel Coirier , Farah Fahim , Hooman Mohseni

Bias-scalable analog computing is attractive for implementing machine learning (ML) processors with distinct power-performance specifications. For instance, ML implementations for server workloads are focused on higher computational…

Emerging Technologies · Computer Science 2023-01-05 Pratik Kumar , Ankita Nandi , Shantanu Chakrabartty , Chetan Singh Thakur

Quantum evolution is crucial for the understanding of complex quantum systems. However, current implementations of time evolution on quantum photonic platforms are limited by both low photon generation efficiency and high propagation loss,…

Continuous-Variable Quantum Key Distribution (CV-QKD) and Quantum Random Number Generation (CV-QRNG) are critical technologies for secure communication and high-speed randomness generation, exploiting shot-noise-limited coherent detection…

Using truth-level Monte Carlo simulations of particle interactions in a large volume of liquid argon, we demonstrate physics capabilities enabled by reconstruction of topologically compact and isolated low-energy features, or `blips,' in…

Instrumentation and Detectors · Physics 2020-12-30 W. Castiglioni , W. Foreman , I. Lepetic , B. R. Littlejohn , M. Malaker , A. Mastbaum

We developed a novel design of a Micro Pixel Chamber ($\mu$-PIC) with resistive electrodes for a charged-particle-tracking detector in high-rate applications. Diamond-Like Carbon (DLC) thin film is used for the cathodes. The resistivity can…

Instrumentation and Detectors · Physics 2020-01-08 Fumiya Yamane , Atsuhiko Ochi , Kohei Matayoshi , Keisuke Ogawa , Yusuke Ishitobi

We present the detailed study of the digital readout of Topmetal-II- CMOS pixel direct charge sensor. Topmetal-II- is an integrated sensor with an array of 72X72 pixels each capable of directly collecting external charge through exposed…

Recent advances in machine learning and neuro-inspired systems enabled the increased interest in efficient pattern recognition at the edge. A wide variety of applications, such as near-sensor classification, require fast and low-power…

Signal Processing · Electrical Eng. & Systems 2025-01-31 Patrick Foster , Georgios Papandroulidakis , Alex Serb , Spyros Stathopoulos Themis Prodromakis

In the push for exascale computing, energy efficiency is of utmost concern. System architectures often adopt accelerators to hasten application execution at the cost of power. The Intel Xeon Phi co-processor is unique accelerator that…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-05-26 Gary Lawson , Masha Sosonkina , Yuzhong Shen

Proton therapy can achieve a highly targeted treatment by utilising the advantageous dosimetric characteristics of the Bragg Peak. Protons traversing through a material will deposit their maximum energy at the Bragg Peak through ionisation…

We present characterization results and performance of a prototype Multiple-Amplifier Sensing (MAS) silicon charge-coupled device (CCD) sensor with 16 channels potentially suitable for faint object astronomical spectroscopy and low-signal,…

Instrumentation and Methods for Astrophysics · Physics 2025-02-11 Kenneth W. Lin , Armin Karcher , Julien Guy , Stephen E. Holland , William F. Kolbe , Peter E. Nugent , Alex Drlica-Wagner , Ana M. Botti , Javier Tiffenberg

Non-intrusive load monitoring (NILM) or energy disaggregation, aims to disaggregate a household's electricity consumption into constituent appliances. More than three decades of work in NILM has resulted in the development of several novel…

Other Computer Science · Computer Science 2014-10-09 Nipun Batra , Manoj Gulati , Puneet Jain , Kamin Whitehouse , Amarjeet Singh

For the High-Luminosity phase of LHC, the ATLAS experiment is proposing the addition of a High Granularity Timing Detector (HGTD) in the forward region to mitigate the effects of the increased pile-up. The chosen detection technology is Low…