Quantum-enhanced advanced LIGO detectors in the era of gravitational-wave astronomy

LIGO Scientific Collaboration; Andrew Lundgren

doi:10.1103/PhysRevLett.123.231107

Quantum-enhanced advanced LIGO detectors in the era of gravitational-wave astronomy

LIGO Scientific Collaboration, Andrew Lundgren

Institute of Cosmology & Gravitation

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Abstract

The Laser Interferometer Gravitational Wave Observatory (LIGO) has been directly detecting gravitational waves from compact binary mergers since 2015. We report on the first use of squeezed vacuum states in the direct measurement of gravitational waves with the Advanced LIGO H1 and L1 detectors. This achievement is the culmination of decades of research to implement squeezed states in gravitational-wave detectors. During the ongoing O3 observation run, squeezed states are improving the sensitivity of the LIGO interferometers to signals above 50 Hz by up to 3 dB, thereby increasing the expected detection rate by 40% (H1) and 50% (L1).

Original language	English
Article number	231107
Number of pages	8
Journal	Physical Review Letters
Volume	123
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.123.231107
Publication status	Published - 5 Dec 2019

Keywords

RCUK
STFC

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10.1103/PhysRevLett.123.231107

PhysRevLett.123.231107
M. Tse et al. 'Quantum-Enhanced Advanced LIGO Detectors in the Era of Gravitational-Wave Astronomy.' Phys. Rev. Lett. 123, 231107. © 2019 American Physical Society. All rights reserved.
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Data availability statement for 'Quantum-enhanced advanced LIGO detectors in the era of gravitational-wave astronomy'.
Lundgren, A. (Creator), American Physical Society, 5 Dec 2019
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title = "Quantum-enhanced advanced LIGO detectors in the era of gravitational-wave astronomy",

abstract = "The Laser Interferometer Gravitational Wave Observatory (LIGO) has been directly detecting gravitational waves from compact binary mergers since 2015. We report on the first use of squeezed vacuum states in the direct measurement of gravitational waves with the Advanced LIGO H1 and L1 detectors. This achievement is the culmination of decades of research to implement squeezed states in gravitational-wave detectors. During the ongoing O3 observation run, squeezed states are improving the sensitivity of the LIGO interferometers to signals above 50 Hz by up to 3 dB, thereby increasing the expected detection rate by 40% (H1) and 50% (L1).",

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Quantum-enhanced advanced LIGO detectors in the era of gravitational-wave astronomy

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Data availability statement for 'Quantum-enhanced advanced LIGO detectors in the era of gravitational-wave astronomy'.

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