Double optical spring enhancement for gravitational wave detectors

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dc.creatorRehbein, Henning
dc.creatorMueller-Ebhardt, Helge
dc.creatorSomiya, Kentaro
dc.creatorDanilishin, Stefan L.
dc.creatorSchnabel, Roman
dc.creatorDanzmann, Karsten
dc.creatorChen, Yanbei
dc.date2008-05-20
dc.date.accessioned2026-07-07T12:44:36Z
dc.date.available2026-07-07T12:44:36Z
dc.descriptionCurrently planned second-generation gravitational-wave laser interferometers such as Advanced LIGO exploit the extensively investigated signal-recycling (SR) technique. Candidate Advanced LIGO configurations are usually designed to have two resonances within the detection band, around which the sensitivity is enhanced: a stable optical resonance and an unstable optomechanical resonance - which is upshifted from the pendulum frequency due to the so-called optical-spring effect. Alternative to a feedback control system, we propose an all-optical stabilization scheme, in which a second optical spring is employed, and the test mass is trapped by a stable ponderomotive potential well induced by two carrier light fields whose detunings have opposite signs. The double optical spring also brings additional flexibility in re-shaping the noise spectral density and optimizing toward specific gravitational-wave sources. The presented scheme can be extended easily to a multi-optical-spring system that allows further optimization.
dc.identifierhttps://arxiv.org/abs/0805.3096
dc.identifierhttp://arxiv.org/abs/0805.3096
dc.identifierPhys.Rev.D78:062003,2008
dc.identifierdoi:10.1103/PhysRevD.78.062003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/220822
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleDouble optical spring enhancement for gravitational wave detectors
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