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Gravitational Wave Signal Reconstruction via Quantum Amplitude Amplification

Jincheng Zhang

Published Aug 31, 2026• 0 citations
Publisher

Abstract

Gravitational wave detection relies heavily on the detection of minuscule fluctuations in spacetime, requiring incredibly sensitive instruments. Current detectors, like LIGO and Virgo, face limitations in sensitivity due to inherent noise and signal-to-noise ratios. This paper proposes a novel quantum algorithm, Quantum Amplitude Amplification (QAA), designed to significantly enhance the probability of detecting faint gravitational wave signals, thereby improving the sensitivity of gravitational wave detectors. The core mechanism utilizes quantum amplitude amplification to enhance the probability of observing the desired gravitational wave signal, increasing detection rates. This research addresses a critical challenge in gravitational wave astronomy by exploring a fundamentally new approach to signal processing.

DOI
10.5281/zenodo.22189207

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Gravitational wave detection relies heavily on the detection of minuscule fluctuations in spacetime, requiring incredibly sensitive instruments. Current detectors, like LIGO and Virgo, face limitations in sensitivity due to inherent noise and signal-to-noise ratios. This paper proposes a novel quantum algorithm, Quantum Amplitude Amplification (QAA), designed to significantly enhance the probability of detecting faint gravitational wave signals, thereby improving the sensitivity of gravitational wave detectors. The core mechanism utilizes quantum amplitude amplification to enhance the probability of observing the desired gravitational wave signal, increasing detection rates. This research addresses a critical challenge in gravitational wave astronomy by exploring a fundamentally new approach to signal processing.
Gravitational wave detection is a monumental challenge, requiring exceptionally sensitive detectors and sophisticated data analysis techniques. This paper investigates a novel approach to enhance signal detection by utilizing quantum entanglement to create subtle correlations between gravitational wave signals and background noise. We propose a new algorithm, the Quantum Entanglement Correlation Detector (QECD), which leverages entanglement to identify and amplify these correlations, offering a potential breakthrough in detecting faint gravitational wave signals. The core claim is that this algorithm can significantly improve precision and detection rates compared to existing methods. We present a theoretical framework and preliminary implementation of the QECD, demonstrating its potential through simulations and initial experimental considerations. The study explores the implications of quantum entanglement for enhancing gravitational wave detection and addresses key challenges related to data processing and algorithm design.
The 2015 seminal discovery of gravitational waves (GW) from the collision of the binary black holes has boosted interest to development of a more sensitive next generation gravitational-wave interferometers. As the current Advanced LIGO and Virgo detectors are limited by fundamental quantum fluctuations of light in the most of their detection band, the next generation of interferometers must use advanced quantum noise-mitigation methods and quantum non-demolition (QND) techniques to achieve the planned design sensitivity of 10 times better than the current detectors have. In this paper, we attempt to give an overview of some advanced quantum metrology techniques being considered as potential sensitivity boosters for the next generation GW detectors.
Gravitational wave detection has long been a significant challenge, with current methods struggling to achieve the necessary resolution and accuracy. This paper proposes a novel quantum algorithm, leveraging quantum entanglement, to reconstruct gravitational wave signals with significantly enhanced fidelity. We explore a method of encoding gravitational wave data within entangled photon pairs, thereby mitigating noise and increasing the signal's resolution. The core mechanism hinges on exploiting the unique properties of quantum entanglement to create a robust and accurate reconstruction process. This research addresses the limitations of existing techniques and offers a potentially transformative approach to gravitational wave analysis, with implications for astrophysics and fundamental physics.
Since 2015, the gravitational-wave detectors LIGO and Virgo have opened a new window on the universe, detecting hundreds of signals and launching a new era of astronomy with profound impact on relativity, astrophysics, and cosmology. To listen deeper into the cosmos, detectors must become increasingly sensitive. One of the main limitations is quantum noise, ultimately arising from vacuum fluctuations entering the instrument. By “squeezing” this vacuum, i.e. manipulating its noise properties, LIGO and Virgo have already extended their reach by up to 65%, revealing events that would otherwise remain hidden. This article provides an overview of squeezing techniques for gravitational-wave detectors, from their origins to the most recent advances.
This paper explores the theoretical potential of utilizing quantum entanglement, specifically through the generation and application of squeezed states of light, to enhance the sensitivity of gravitational wave detectors. We delve into the fundamental limitations imposed by quantum noise in conventional interferometric detectors and investigate how the injection of squeezed states can circumvent these limitations. We present a detailed theoretical framework for implementing squeezed light in advanced gravitational wave observatories and analyze the expected improvements in signal-to-noise ratio. The analysis includes a rigorous treatment of the quantum mechanical interactions within the interferometer, considering realistic experimental imperfections. Our findings suggest that the strategic deployment of quantum entanglement offers a promising pathway towards significantly improving the detection capabilities of future gravitational wave detectors, opening new avenues for exploring the universe.
This study explores the integration of quantum algorithms, specifically Grover's algorithm, with quantum metrology to enhance the efficiency and sensitivity of gravitational-wave detection. By combining quantum matched filtering with precise parameter estimation techniques, the research aims to optimize sensor networks for the identification of gravitational waves. This integrated approach leverages the strengths of quantum superposition and entanglement to improve signal detection, reduce noise, and strategically place sensors. The findings demonstrate significant improvements in the sensitivity and accuracy of gravitational wave measurements, highlighting the potential of quantum technologies to revolutionize observational astronomy and enhance our understanding of the universe.