QND measurements for future gravitational-wave detectors

Chen, Yanbei; Danilishin, Stefan L.; Khalili, Farid Ya.; Müller-Ebhardt, Helge

doi:10.1007/s10714-010-1060-y

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QND measurements for future gravitational-wave detectors

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Müller-Ebhardt, Helge
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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0910.0319
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GRG_43_671.pdf
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Citation

Chen, Y., Danilishin, S. L., Khalili, F. Y., & Müller-Ebhardt, H. (2011). QND measurements for future gravitational-wave detectors. General Relativity and Gravitation, 43(2), 671-694. doi:10.1007/s10714-010-1060-y.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-BB6F-7

Abstract

Second-generation interferometric gravitational-wave detectors will be operating at the Standard Quantum Limit, a sensitivity limitation set by the trade off between measurement accuracy and quantum back action, which is governed by the Heisenberg Uncertainty Principle. We review several schemes that allows the quantum noise of interferometers to surpass the Standard Quantum Limit significantly over a broad frequency band. Such schemes may be an important component of the design of third-generation detectors.