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Quantum Backaction on Kg-Scale Mirrors: Observation of Radiation Pressure Noise in the Advanced Virgo Detector

Acernese, F.
•
Agathos, M.
•
Aiello, L.
altro
Danzmann, K.
2020
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
The quantum radiation pressure and the quantum shot noise in laser-interferometric gravitational wave detectors constitute a macroscopic manifestation of the Heisenberg inequality. If quantum shot noise can be easily observed, the observation of quantum radiation pressure noise has been elusive, so far, due to the technical noise competing with quantum effects. Here, we discuss the evidence of quantum radiation pressure noise in the Advanced Virgo gravitational wave detector. In our experiment, we inject squeezed vacuum states of light into the interferometer in order to manipulate the quantum back action on the 42 kg mirrors and observe the corresponding quantum noise driven displacement at frequencies between 30 and 70 Hz. The experimental data, obtained in various interferometer configurations, is tested against the Advanced Virgo detector quantum noise model which confirmed the measured magnitude of quantum radiation pressure noise.
DOI
10.1103/PhysRevLett.125.131101
WOS
WOS:000571655800002
Archivio
http://hdl.handle.net/11368/2971812
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85092802918
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.125.131101
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/2971812/1/PhysRevLett.125.131101.pdf
Soggetti
  • Gravitational wave de...

  • Quantum noise

Scopus© citazioni
19
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
31
Data di acquisizione
Mar 28, 2024
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