Coherent control of vacuum squeezing in the Gravitational-Wave Detection Band

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dc.creatorVahlbruch, Henning
dc.creatorChelkowski, Simon
dc.creatorHage, Boris
dc.creatorFranzen, Alexander
dc.creatorDanzmann, Karsten
dc.creatorSchnabel, Roman
dc.date2007-07-02
dc.date.accessioned2026-07-07T10:38:57Z
dc.date.available2026-07-07T10:38:57Z
dc.descriptionWe propose and demonstrate a coherent control scheme for stable phase locking of squeezed vacuum fields. We focus on sideband fields at frequencies from 10Hz to 10kHz which is a frequency regime of particular interest in gravitational wave detection and for which conventional control schemes have failed so far. A vacuum field with broadband squeezing covering this entire band was produced using optical parametric oscillation and characterized with balanced homodyne detection. The system was stably controlled over long periods utilizing two coherent but frequency shifted control fields. In order to demonstrate the performance of our setup the squeezed field was used for a nonclassical sensitivity improvement of a Michelson interferometer at audio frequencies.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0707.0164
dc.identifierhttp://arxiv.org/abs/0707.0164
dc.identifierPhys.Rev.Lett.97:011101,2006
dc.identifierdoi:10.1103/PhysRevLett.97.011101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/180864
dc.subjectQuantum Physics
dc.titleCoherent control of vacuum squeezing in the Gravitational-Wave Detection Band
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