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Quantum correlations between the light and kilogram-mass mirrors of LIGO

Yu, Haocun; McCuller, L; Tse, M; Barsotti, L; Mavalvala, Nergis; Betzwieser, Joseph; Blair, C. D.; Dwyer, S; Effler, A.; Evans, M; Kijbunchoo, Nutsinee; McClelland, David; McRae, Terry; Slagmolen, Bram; Holland, Nathan; Ward, Robert


The measurement of minuscule forces and displacements with ever greater precision is inhibited by the Heisenberg uncertainty principle, which imposes a limit to the precision with which the position of an object can be measured continuously, known as the standard quantum limit1,2,3,4. When light is used as the probe, the standard quantum limit arises from the balance between the uncertainties of the photon radiation pressure applied to the object and of the photon number in the photoelectric...[Show more]

CollectionsANU Research Publications
Date published: 2020-07-01
Type: Journal article
Source: Nature
DOI: 10.1038/s41586-020-2420-8
Access Rights: Open Access


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