Local readout enhancement for detuned signal-recycling interferometers

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dc.creatorRehbein, Henning
dc.creatorMueller-Ebhardt, Helge
dc.creatorSomiya, Kentaro
dc.creatorLi, Chao
dc.creatorSchnabel, Roman
dc.creatorDanzmann, Karsten
dc.creatorChen, Yanbei
dc.date2007-05-21
dc.date2007-08-22
dc.date.accessioned2026-07-07T11:16:14Z
dc.date.available2026-07-07T11:16:14Z
dc.descriptionMotivated by the optical-bar scheme of Braginsky, Gorodetsky and Khalili, we propose to add to a high power detuned signal-recycling interferometer a local readout scheme which measures the motion of the arm-cavity front mirror. At low frequencies this mirror moves together with the arm-cavity end mirror, under the influence of gravitational waves. This scheme improves the low-frequency quantum-noise-limited sensitivity of optical-spring interferometers significantly and can be considered as a incorporation of the optical-bar scheme into currently planned second-generation interferometers. On the other hand it can be regarded as an extension of the optical bar scheme. Taking compact-binary inspiral signals as an example, we illustrate how this scheme can be used to improve the sensitivity of the planned Advanced LIGO interferometer, in various scenarios, using a realistic classical-noise budget. We also discuss how this scheme can be implemented in Advanced LIGO with relative ease.
dc.identifierhttps://arxiv.org/abs/0705.2987
dc.identifierhttp://arxiv.org/abs/0705.2987
dc.identifierPhys.Rev.D76:062002,2007
dc.identifierdoi:10.1103/PhysRevD.76.062002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/192608
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleLocal readout enhancement for detuned signal-recycling interferometers
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