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This paper presents several new structures to pursue high-resolution (< 2 ps) time-to-digital converters (TDCs) in Xilinx 20 nm UltraScale field-programmable gate arrays (FPGAs). The proposed TDCs combined the advantages of 1) our newly…

Signal Processing · Electrical Eng. & Systems 2020-09-09 Wujun Xie , Haochang Chen , David Day-Uei Li

A key distinguishing feature of single flux quantum (SFQ) circuits is that each logic gate is clocked. This feature forces the introduction of path-balancing flip-flops to ensure proper synchronization of inputs at each gate. This paper…

Emerging Technologies · Computer Science 2024-01-15 Robert S. Aviles , Xi Li , Lei Lu , Zhaorui Ni , Peter A. Beerel

Distributed optimization is widely deployed in practice to solve a broad range of problems. In a typical asynchronous scheme, workers calculate gradients with respect to out-of-date optimization parameters while the master uses stale (i.e.,…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-12-17 Haider Al-Lawati , Stark C. Draper

We have developed a new laser-based time calibration system for highly segmented scintillator counters like the MEG II pixelated Timing Counter (pTC), consisting of 512-centimeter scale scintillator counters read out by silicon…

Electronic systems for qubit control and measurement serve as a bridge between quantum programming language and quantum information processors. With the rapid development of superconducting quantum circuit (SQC) technology, synchronization…

This paper presents a low power, low jitter LC phase locked loop (PLL) which has been designed and fabricated in a commercial 0.25-um Silicon-on-Sapphire CMOS technology. Random jitter and deterministic jitter of the PLL are 1.3 ps and 7.5…

Instrumentation and Detectors · Physics 2022-02-14 Tiankuan Liu

Objective- Heart rate monitoring using wrist type Photoplethysmographic (PPG) signals is getting popularity because of construction simplicity and low cost of wearable devices. The task becomes very difficult due to the presence of various…

We present an iterative scheme to estimate the minimal duration in which a quantum gate can be realized while satisfying hardware constraints on the control pulse amplitudes. The scheme performs a sequence of unconstrained numerical optimal…

Quantum Physics · Physics 2023-11-10 Stefanie Günther , N. Anders Petersson

Physical Unclonable Functions (PUFs) leverage signal variations that occur within the device as a source of entropy. On-chip instrumentation is utilized by some PUF architectures to measure and digitize these variations, which are then…

Cryptography and Security · Computer Science 2024-09-04 Jim Plusquellic , Jennifer Howard , Ross MacKinnon , Kristianna Hoffman , Eirini Eleni Tsiropoulou , Calvin Chan

Novel techniques based on signal-conditioning are presented to mitigate timing errors in time-interleaved ADCs. A theoretical bound on the achievable spurious signal content, on applying the techniques, is also derived. Behavioral…

Information Theory · Computer Science 2012-04-05 Abhishek Ghosh , Sudhakar Pamarti

Identifying light mesons which contain only up/down quarks (pions) from those containing a strange quark (kaons) over the typical meter length scales of a particle physics detector requires instrumentation capable of measuring flight times…

Instrumentation and Detectors · Physics 2008-11-26 Gary S. Varner , Larry L. Ruckman

In this paper we introduce a new Python package, the Pulsar Signal Simulator, or PsrSigSim, which is designed to simulate a pulsar signal from emission at the pulsar, through the interstellar medium, to observation by a radio telescope, and…

High Energy Astrophysical Phenomena · Physics 2021-03-31 Brent J. Shapiro-Albert , Jeffrey S. Hazboun , Maura A. McLaughlin , Michael T. Lam

Clock synchronization procedures are mandatory in most physical experiments where event fragments are readout by spatially dislocated sensors and must be glued together to reconstruct key parameters (e.g. energy, interaction vertex etc.) of…

The importance of simulating pinning arrays in superconducting samples for the increase of critical currents has been increasing in the last few years. Since the Time Dependent Ginzburg Landau (TDGL) can be more accurate than alternative…

Superconductivity · Physics 2026-04-06 E. R. Di Lascio

Time scales consistently provide precise time stamps and time intervals by combining atomic frequency standards with a reliable local oscillator. Optical frequency standards, however, have not been applied to the generation of time scales,…

Atomic Physics · Physics 2018-03-12 Hidekazu Hachisu , Fumimaru Nakagawa , Yuko Hanado , Tetsuya Ido

This article describes the implementation of a mean-timer and coincidence logic on a Virtex-5 FPGA for trigger purposes in a particle physics experiment. The novel feature is that the mean-timing and the coincidence logic are not…

Instrumentation and Detectors · Physics 2012-01-19 J. Bieling , G. Ahluwalia , J. Barth , F. Klein , J. Pretz , H. Fischer , F. Herrmann , C. Schill , S. Schopferer

Distributed antenna arrays have been proposed for many applications ranging from space-based observatories to automated vehicles. Achieving good performance in distributed antenna systems requires stringent synchronization at the wavelength…

Signal Processing · Electrical Eng. & Systems 2022-12-26 Jason M. Merlo , Serge R. Mghabghab , Jeffrey A. Nanzer

The search for a compatible application of memristor-CMOS logic gates has remained elusive, as the data density benefits are offset by slow switching speeds and resistive dissipation. Active microdisplays typically prioritize pixel density…

Emerging Technologies · Computer Science 2021-04-22 Xiaoyuan Wang , Zhiru Wu , Pengfei Zhou , Herbert H. C. Iu , Jason K. Eshraghian , Sung Mo Kang

Arbitrary Detuning ASynchronous OPtical Sampling (ADA-SOPS) is an emerging technique for extending standard pump--probe experiments performed with two femtosecond lasers to multitimescale experiments, which are of great interest for the…

Optics · Physics 2026-04-17 Laura Antonucci , A. Bonvalet , X. Solinas , M. Joffre

This paper presents a small-signal analysis of an islanded microgrid composed of two or more voltage source inverters connected in parallel. The primary control of each inverter is integrated through internal current and voltage loops using…

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