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  Negative optical inertia for enhancing the sensitivity of future gravitational-wave detectors

Khalili, F., Danilishin, S., Mueller-Ebhardt, H., Miao, H., Chen, Y., & Zhao, C. (2011). Negative optical inertia for enhancing the sensitivity of future gravitational-wave detectors. Physical Review D, 83(6): 062003. doi:10.1103/PhysRevD.83.062003.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-08EE-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-08F0-E
Genre: Journal Article

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 Creators:
Khalili, Farid, Author
Danilishin, Stefan, Author
Mueller-Ebhardt, Helge1, Author              
Miao, Haixing, Author
Chen, Yanbei2, Author              
Zhao, Chunnong, Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
2Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Physics, Optics, physics.optics
 Abstract: We consider enhancing the sensitivity of future gravitational-wave detectors by using double optical spring. When the power, detuning and bandwidth of the two carriers are chosen appropriately, the effect of the double optical spring can be described as a "negative inertia", which cancels the positive inertia of the test masses and thus increases their response to gravitational waves. This allows us to surpass the free-mass Standard Quantum Limit (SQL) over a broad frequency band, through signal amplification, rather than noise cancelation, which has been the case for all broadband SQL-beating schemes so far considered for gravitational-wave detectors. The merit of such signal amplification schemes lies in the fact that they are less susceptible to optical losses than noise cancelation schemes. We show that it is feasible to demonstrate such an effect with the {\it Gingin High Optical Power Test Facility}, and it can eventually be implemented in future advanced GW detectors.

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 Dates: 2010-10-062011
 Publication Status: Published in print
 Pages: 7 pages, 3 figures
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 Rev. Method: -
 Identifiers: arXiv: 1010.1124
DOI: 10.1103/PhysRevD.83.062003
URI: http://arxiv.org/abs/1010.1124
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : Published for the American Physical Society by the American Institute of Physics
Pages: - Volume / Issue: 83 (6) Sequence Number: 062003 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258