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Integrated arrays of Superconducting Nanowire Single Photon Detectors (SNSPDs) have shown capabilities such as Photon Number Resolution, single photon imaging and coincidences detection, and can be effectively used also in other different…

Signal detection in large multiple-input multiple-output (large-MIMO) systems presents greater challenges compared to conventional massive-MIMO for two primary reasons. First, large-MIMO systems lack favorable propagation conditions as they…

Information Theory · Computer Science 2023-08-23 Jiuyu Liu , Yi Ma , Rahim Tafazolli

When two successive squeezing operations with the same phase are applied to a field mode, reliably estimating the amplitude of each is impossible because the output state depends solely on their sum. In this case, the quantum statistical…

Quantum Physics · Physics 2025-06-19 Priyanka Sharma , Stefano Olivares , Devendra Kumar Mishra , Matteo G. A. Paris

The finite field multiplier is mainly used in many of today's state of the art digital systems and its hardware implementation for bit parallel operation may require millions of logic gates. Natural causes or soft errors in digital design…

Information Theory · Computer Science 2023-03-15 Saeideh Nabipour , Javad Javidan , Gholamreza Zare Fatin

A novel MIMO-DSP for space-division multiplexing over multimode fibres is proposed. A principal modes approach is shown to provide two-fold benefits: over 13 times channel memory reduction while minimising the number of optical front-ends…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Fabio A. Barbosa , Stefan Rothe , Dennis Pohle , Jürgen W. Czarske , Filipe M. Ferreira

Superconducting quantum interference devices (SQUIDs) are state-of-the-art in ultra-sensitive magnetometry; however, conventional SQUID devices are fundamentally limited by the inherently nonlinear and periodic nature of their transfer…

Superconductivity · Physics 2026-03-02 Angelo Greco , Giorgio De Simoni , Francesco Giazotto

A seven-channel system capable of performing both magnetoencephalography (MEG) and ultra-low-field magnetic resonance imaging (ULF MRI) is described. The system consists of seven second-order SQUID gradiometers with 37 mm diameter and 60 mm…

Mode-dependent loss (MDL) is known to be a major issue in space-division multiplexed (SMD) systems. Its effect on performance is complex as it affects both the data carrying signal and the accumulated amplification noise. In this paper we…

Optics · Physics 2015-06-18 Anton Andrusier , Mark Shtaif , Cristian Antonelli , Antonio Mecozzi

The utilization of finite field multipliers is pervasive in contemporary digital systems, with hardware implementation for bit parallel operation often necessitating millions of logic gates. However, various digital design issues, whether…

Information Theory · Computer Science 2023-07-27 Saeideh Nabipour , Javad Javidan

The problem of distributed matrix multiplication with straggler tolerance over finite fields is considered, focusing on field sizes for which previous solutions were not applicable (for instance, the field of two elements). We employ…

Information Theory · Computer Science 2024-12-02 Adrián Fidalgo-Díaz , Umberto Martínez-Peñas

Partitioned-interval detection binary quantum receiver with non-ideal devices is theoretically analyzed. Using global optimized partition strategy, relatively large gain over standard quantum limit (SQL) is obtained with small partition…

Quantum Physics · Physics 2016-11-17 Ke Li , Bing Zhu

The non-destructive readout capability of the Skipper Charge Coupled Device (CCD) has been demonstrated to reduce the noise limitation of conventional silicon devices to levels that allow single-photon or single-electron counting. The noise…

The effective use of noisy intermediate-scale quantum devices requires error mitigation to improve the accuracy of sampled measurement distributions. The more accurately the effects of noise on these distributions can be modeled, the more…

Quantum Physics · Physics 2024-04-24 Michael Hanks , Soovin Lee , M. S. Kim

Measurement of multiple quantum devices on a single chip increases characterization throughput and enables testing of device repeatability, process yield, and systematic variations in device design. We present a method that uses on-chip…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Daniel R. Ward , D. E. Savage , M. G. Lagally , S. N. Coppersmith , M. A. Eriksson

Spiking neural networks are emerging as a promising energy-efficient alternative to traditional artificial neural networks due to their spike-driven paradigm. However, recent research in the SNN domain has mainly focused on enhancing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xuerui Qiu , Malu Zhang , Jieyuan Zhang , Wenjie Wei , Honglin Cao , Junsheng Guo , Rui-Jie Zhu , Yimeng Shan , Yang Yang , Haizhou Li

A deep neural network solution for time-scale modification (TSM) focused on large stretching factors is proposed, targeting environmental sounds. Traditional TSM artifacts such as transient smearing, loss of presence, and phasiness are…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-01 Leonardo Fierro , Alec Wright , Vesa Välimäki , Matti Hämäläinen

Time-division multiplexed (TDM) channel sounders, in which a single RF chain is connected sequentially via an electronic switch to different elements of an array, are widely used for the measurement of double-directional/MIMO propagation…

Information Theory · Computer Science 2018-05-22 Rui Wang , Olivier Renaudin , C. Umit Bas , Seun Sangodoyin , Andreas F. Molisch

In this paper, various Miller-compensated amplifiers are analyzed by using the two-port feedback analysis together with the root-locus diagram. The proposed analysis solves problems of Miller theorem/approximation that fail to predict a…

Systems and Control · Electrical Eng. & Systems 2022-07-25 Myungjun Kim

We introduce an explicit, adaptive time-stepping scheme for the simulation of SPDEs with one-sided Lipschitz drift coefficients. Strong convergence rates are proven for the full space-time discretisation with multiplicative trace-class…

Numerical Analysis · Mathematics 2019-08-27 Stuart Campbell , Gabriel Lord

Time-delay interferometry (TDI) is a crucial technology for space-based gravitational wave detectors. Previous studies have identified the optimal TDI configuration for the first-generation. In this research, we used an Algebraic approach…

Instrumentation and Methods for Astrophysics · Physics 2023-04-28 Yu Tian , Zhi-Xiang Li
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