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          Institute: MPI für Gravitationsphysik     Collection: Theoretical Gravitational Wave Physics     Display Documents

ID: 319999.0, MPI für Gravitationsphysik / Theoretical Gravitational Wave Physics
Frequency noise and intensity noise of next-generation gravitational-wave detectors with RF/DC readout schemes
Authors:Somiya, K.; Chen, Yanbei; Kawamura, Seiji; Mio, N.
Date of Publication (YYYY-MM-DD):2006
Title of Journal:Physical Review D
Sequence Number of Article:122005
Review Status:not specified
Audience:Not Specified
Abstract / Description:The sensitivity of next-generation gravitational-wave detectors such as Advanced LIGO and LCGT should be limited mostly by quantum noise with an expected technical progress to reduce seismic noise and thermal noise. Those detectors will employ the optical configuration of resonant-sideband-extraction that can be realized with a signal-recycling mirror added to the Fabry-Perot Michelson interferometer. While this configuration can reduce quantum noise of the detector, it can possibly increase laser frequency noise and intensity noise. The analysis of laser noise in the interferometer with the conventional configuration has been done in several papers, and we shall extend the analysis to the resonant-sideband-extraction configuration with the radiation pressure effect included. We shall also refer to laser noise in the case we employ the so-called DC readout scheme.
Comment of the Author/Creator:An error in Fig. 10 in the published version in PRD has been corrected in this version; an erratum has been submitted to PRD. After correction, this figure reflects a significant difference in the ways RF and DC readout schemes are susceptible to laser noise. In addition, the levels of mirror loss imbalances and input laser amplitude noise have also been updated to be more realistic for Advanced LIGO
Erratum-ibid. Physical Review D 75 (2007) 049905
External Publication Status:published
Document Type:Article
Communicated by:Yanbei Chen
Affiliations:MPI für Gravitationsphysik/Theoretical Gravitational Wave Physics
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