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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/5849
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dc.contributor.authorAasi, J.-
dc.contributor.authorAbadie, J.-
dc.contributor.authorIyer, B.R.-
dc.contributor.author+150 Co-authors-
dc.date.accessioned2013-11-28T07:18:15Z-
dc.date.available2013-11-28T07:18:15Z-
dc.date.issued2013-08-
dc.identifier.citationNature photonics Letters, 2013, Vol.7, p613en
dc.identifier.issn1749-4885-
dc.identifier.issn1749-4893 -(Online)-
dc.identifier.urihttp://hdl.handle.net/2289/5849-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractNearly 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 sensitivityen
dc.language.isoenen
dc.publisherNature Publishing Groupen
dc.relation.urihttp://dx.doi.org/10.1038/nphoton.2013.177en
dc.relation.urihttp://adsabs.harvard.edu/abs/2013NaPho...7..613Aen
dc.relation.urihttp://arxiv.org/abs/1310.0383en
dc.rights2013 Macmillan Publishers Limiteden
dc.titleEnhanced sensitivity of the LIGO gravitational wave detector by using squeezed states of lighten
dc.typeArticleen
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