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ID: 251048.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Demonstration of a squeezed-light-enhanced power- and signal-recycled Michelson interferometer
Authors:Vahlbruch, Henning; Chelkowski, Simon; Hage, Boris; Franzen, Alexander; Danzmann, Karsten; Schnabel, Roman
Language:English
Date of Publication (YYYY-MM-DD):2005-11-18
Title of Journal:Physical Review Letters
Journal Abbrev.:Phys. Rev. Lett.
Volume:95
Issue / Number:21
Sequence Number of Article:211102
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We report on the experimental combination of three advanced interferometer techniques for gravitational wave detection, namely, power recycling, detuned signal recycling, and squeezed field injection. For the first time, we experimentally prove the compatibility of especially the latter two. To achieve a broadband nonclassical sensitivity improvement, we applied a filter cavity for compensation of quadrature rotation. The signal-to-noise ratio was improved by up to 2.8 dB beyond the coherent state's shot noise. The complete setup was stably locked for arbitrary times and characterized by injected single-sideband modulation fields.
External Publication Status:published
Document Type:Article
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
MPI für Gravitationsphysik/Teilinstitut Hannover
External Affiliations:Univ Hannover, Inst Atom & Mol Phys, D-30167 Hannover, Germany.; Max Planck Gravitat Phys, Albert Einstein Inst, D-30167 Hannover, Germany.
Identifiers:ISI:000233362100010 [ID No:1]
ISSN:0031-9007 [ID No:2]
DOI:10.1103/PhysRevLett.95.211102
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