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  Optical noise correlations and beating the standard quantum limit in advanced gravitational-wave detectors

Buonanno, A., & Chen, Y. (2001). Optical noise correlations and beating the standard quantum limit in advanced gravitational-wave detectors. Classical and quantum gravity, 18(15): GRP/00/549, pp. L95-L101. doi:10.1088/0264-9381/18/15/102.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-84CE-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-84D0-B
Genre: Journal Article

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 Creators:
Buonanno, Alessandra1, 2, Author              
Chen, Yanbei, Author
Affiliations:
1Theoretical Astrophysics and Relativity Group, California Institute of Technology, Pasadena, California, escidoc:persistent22              
2Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc,Quantum Physics, quant-ph
 Abstract: The uncertainty principle, applied naively to the test masses of a laser-interferometer gravitational-wave detector, produces a Standard Quantum Limit (SQL) on the interferometer's sensitivity. It has long been thought that beating this SQL would require a radical redesign of interferometers. However, we show that LIGO-II interferometers, currently planned for 2006, can beat the SQL by as much as a factor two over a bandwidth \Delta f \sim f, if their thermal noise can be pushed low enough. This is due to dynamical correlations between photon shot noise and radiation-pressure noise, produced by the LIGO-II signal-recycling mirror.

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 Dates: 2000-10-042001-07-062001
 Publication Status: Published in print
 Pages: 12 pages, 2 figures; minor changes, some references added
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: gr-qc/0010011
DOI: 10.1088/0264-9381/18/15/102
URI: http://arxiv.org/abs/gr-qc/0010011
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Title: Classical and quantum gravity
Source Genre: Journal
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Publ. Info: Bristol, U.K. : Institute of Physics
Pages: - Volume / Issue: 18 (15) Sequence Number: GRP/00/549 Start / End Page: L95 - L101 Identifier: ISSN: 0264-9381
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954925513480_1