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Lasers are the workhorse of quantum engineering in the atomic-molecular-optic community. However, phase noise of the laser, which can be especially large in popular semiconductor-based lasers, can limit fidelity of operation. Here, we…

We consider the problem of soft decision fusion in a bandwidth-constrained wireless sensor network (WSN). The WSN is tasked with the detection of an intruder transmitting an unknown signal over a fading channel. A binary hypothesis testing…

Information Theory · Computer Science 2015-06-04 Edmond Nurellari , Sami Aldalahmeh , Mounir Ghogho , Des McLernon

LISA Pathfinder's measurement of a relative acceleration noise between two free-falling test masses with a square root of the power spectral density of $5.2 \pm 0.1 \mbox{ fm s}^{-2}/\sqrt{\rm{Hz}}$ appreciably constrains collapse models.…

Quantum Physics · Physics 2017-05-03 Bassam Helou , Bram Slagmolen , David E. McClelland , Yanbei Chen

Deep space explorations require transferring huge amounts of data quickly from very distant targets. Laser communication is a promising technology that can offer a data rate of magnitude faster than conventional microwave communication due…

Noise radars can be understood in terms of a correlation coefficient which characterizes their detection performance. Although most results in the literature are stated in terms of the signal-to-noise ratio (SNR), we show that it is…

Signal Processing · Electrical Eng. & Systems 2022-04-19 David Luong , Bhashyam Balaji , Sreeraman Rajan

We formulate the data analysis problem for the detection of the Newtonian coalescing-binary signal by a network of laser interferometric gravitational wave detectors that have arbitrary orientations, but are located at the same site. We use…

General Relativity and Quantum Cosmology · Physics 2009-07-09 Sukanta Bose , Sanjeev V. Dhurandhar , Archana Pai

The laser-interferometer space antenna (LISA) will be launched in the mid 2030s. It promises to observe the coalescence of massive black-hole (BH) binaries with signal-to-noise ratios (SNRs) reaching thousands. Crucially, it will detect…

General Relativity and Quantum Cosmology · Physics 2024-11-20 Alexandre Toubiana , Lorenzo Pompili , Alessandra Buonanno , Jonathan R. Gair , Michael L. Katz

Current expectations on the signal to noise ratios and masses of supermassive black holes which the Laser Interferometer Space Antenna (LISA) can observe are based on using in matched filtering only the dominant harmonic of the inspiral…

General Relativity and Quantum Cosmology · Physics 2008-11-26 K. G. Arun , Bala R. Iyer , B. S. Sathyaprakash , Siddhartha Sinha

In this paper, we revisit a recently proposed receiver design, named the splitting receiver, which jointly uses coherent and non-coherent processing for signal detection. By considering an improved signal model for the splitting receiver as…

Information Theory · Computer Science 2024-10-30 Yanyan Wang , Wanchun Liu , Xiangyun Zhou , Guanghui Liu

In this paper we investigate fusion rules for distributed detection in large random clustered-wireless sensor networks (WSNs) with a three-tier hierarchy; the sensor nodes (SNs), the cluster heads (CHs) and the fusion center (FC). The CHs…

Signal Processing · Electrical Eng. & Systems 2019-02-12 Sami A. Aldalahmeh , Saleh O. Al-Jazzar , Des McLernon , Syed Ali Raza Zaidi , Mounir Ghogho

We test deep-learning (DL) techniques for the analysis of rotational core-collapse supernovae (CCSN) gravitational-wave (GW) signals by performing classification and parameter inference of the maximum (peak) frequency and the GW strain…

High Energy Astrophysical Phenomena · Physics 2024-10-07 Solange Nunes , Gabriel Escrig , Osvaldo G. Freitas , José A. Font , Tiago Fernandes , Antonio Onofre , Alejandro Torres-Forné

The Laser Interferometer Space Antenna is a foreseen gravitational wave detector, which aims to detect $10^{-20}$ strains in the frequency range from 0.1 mHz to 1 Hz. It is a triangular constellation, with equal sides of $2,5 \times 10^9$…

Instrumentation and Methods for Astrophysics · Physics 2020-07-01 C P Sasso , G Mana , S Mottini

An important goal of the Laser Interferometer Space Antenna (LISA) is to observe a stochastic gravitational-wave background (SGWB). A study of possible correlated noise in LISA is relevant to establish limits for this future measurement. To…

General Relativity and Quantum Cosmology · Physics 2022-09-30 Guillaume Boileau , Nelson Christensen , Renate Meyer

Novel methods and technology drive the rapid advances of nuclear magnetic resonance (NMR). The primary objective of developing novel hardware is to improve sensitivity and reliability (and possibly to reduce cost). Automation has made NMR…

Instrumentation and Detectors · Physics 2025-06-16 Josh P. Peters , Frank D. Sönnichsen , Jan-Bernd Hövener , Andrey N. Pravdivtsev

Tilts of certain elements within a laser interferometer can undesirably couple into measurements as a form of noise, known as tilt-to-length (TTL) coupling. This TTL coupling is anticipated to be one of the primary noise sources in the…

General Relativity and Quantum Cosmology · Physics 2024-11-18 Henry Wegener , Sarah Paczkowski , Marie-Sophie Hartig , Martin Hewitson , Gerhard Heinzel , Gudrun Wanner

Space-based gravitational wave (GW) detectors, such as LISA, are expected to detect thousands of Galactic close white dwarf binaries emitting nearly monochromatic GWs. In this study, we demonstrate that LISA is reasonably likely to detect…

High Energy Astrophysical Phenomena · Physics 2025-08-13 Naoki Seto

The space-based Laser Interferometer Space Antenna (LISA) will be able to observe the gravitational-wave signals from systems comprised of a massive black hole and a stellar-mass compact object. These systems are known as extreme-mass-ratio…

Fault detection in Wireless Sensor Networks (WSNs) is crucial for reliable data transmission and network longevity. Traditional fault detection methods often struggle with optimizing deep neural networks (DNNs) for efficient performance,…

Artificial Intelligence · Computer Science 2025-05-13 Mahmood Mohassel Feghhi , Raya Majid Alsharfa , Majid Hameed Majeed

The orbiting LISA instrument is designed to detect gravitational waves in the millihertz band, produced by sources including galactic binaries and extreme mass ratio inspirals, among others. The detector consists of three spacecraft, each…

General Relativity and Quantum Cosmology · Physics 2025-01-15 Orion Sauter , Peter Wass , Wiler Sanchez , Henri Inchauspé

The non-destructive readout mode of a detector allows its pixels to be read multiple times during integration, generating a series of "up-the-ramp" images that keep accumulating photons between successive frames. Since the noise is…

Instrumentation and Methods for Astrophysics · Physics 2025-01-16 Guanghuan Wang , Hu Zhan , Zun Luo , Chengqi Liu , Youhua Xu , Chun Lin , Yanfeng Wei , WenLong Fan