Artículo
Enhanced sensitivity of the LIGO gravitational wave detector by using squeezed states of light
Aasi, J.; Abadie, J.; Abbott, P.; Abbott, R.; Abbott, T. D.; Kozameh, Carlos Nicolas
; Winkelmann, L.; Winkler, W.; Wip, C. C.; Wittel, H.; Woan, G.; Wooley, R.; Worden, J.; Yablon, J.; Yakushin, I.; Yamamoto, H.; Yancey, C. C.; Yang, H.; Yeaton Massey, D.; Yoshida, S.; Yum, H.; Zanolin, M.; Zhang, F.; Zhang, L.; Zhao, C.; Zhu, H.; Zhu, X. J.; Zotov, N.; Zucker, M. E.; Zweizig, J.
Fecha de publicación:
10/2013
Editorial:
Nature Publishing Group
Revista:
Nature Photonics
ISSN:
1749-4885
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Nearly a century after Einstein first predicted the existence of gravitational waves, a global network of Earth-based gravitational wave observatories1,2,3,4 is seeking to directly detect this faint radiation using precision laser interferometry. Photon shot noise, due to the quantum nature of light, imposes a fundamental limit on the attometre-level sensitivity of the kilometre-scale Michelson interferometers deployed for this task. Here, we inject squeezed states to improve the performance of one of the detectors of the Laser Interferometer Gravitational-Wave Observatory (LIGO) beyond the quantum noise limit, most notably in the frequency region down to 150 Hz, critically important for several astrophysical sources, with no deterioration of performance observed at any frequency. With the injection of squeezed states, this LIGO detector demonstrated the best broadband sensitivity to gravitational waves ever achieved, with important implications for observing the gravitational-wave Universe with unprecedented sensitivity
Palabras clave:
Gravitational Waves
,
Ligo
,
Detection
,
Sensitivity
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Articulos(IFEG)
Articulos de INST.DE FISICA ENRIQUE GAVIOLA
Articulos de INST.DE FISICA ENRIQUE GAVIOLA
Citación
Aasi, J.; Abadie, J.; Abbott, P.; Abbott, R.; Abbott, T. D.; et al.; Enhanced sensitivity of the LIGO gravitational wave detector by using squeezed states of light; Nature Publishing Group; Nature Photonics; 7; 10-2013; 613-619
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