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  Coherent Cancellation of Backaction Noise in optomechanical Force Measurements

Wimmer, M., Steinmeyer, D., Hammerer, K., & Heurs, M. (2014). Coherent Cancellation of Backaction Noise in optomechanical Force Measurements. Physical Review A, 89: 053836. doi:10.1103/PhysRevA.89.053836.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-001A-0E37-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-001A-0E39-9
Genre: Journal Article

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 Creators:
Wimmer, Maximilian1, Author              
Steinmeyer, Daniel, Author
Hammerer, Klemens1, Author              
Heurs, Michele1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Free keywords: Quantum Physics, quant-ph, Condensed Matter, Mesoscale and Nanoscale Physics, cond-mat.mes-hall,General Relativity and Quantum Cosmology, gr-qc
 Abstract: Optomechanical detectors have reached the standard quantum limit in position and force sensing where measurement backaction noise starts to be the limiting factor for the sensitivity. A strategy to circumvent measurement backaction, and surpass the standard quantum limit, has been suggested by M. Tsang and C. Caves in Phys. Rev. Lett. 105 123601 (2010). We provide a detailed analysis of this method and assess its benefits, requirements, and limitations. We conclude that a proof-of-principle demonstration based on a micro-optomechanical system is demanding, but possible. However, for parameters relevant to gravitational wave detectors the requirements for backaction evasion appear to be prohibitive.

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 Dates: 2014-03-122014
 Publication Status: Published in print
 Pages: 9 pages, 6 figures
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1403.2992
DOI: 10.1103/PhysRevA.89.053836
URI: http://arxiv.org/abs/1403.2992
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Title: Physical Review A
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 89 Sequence Number: 053836 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: /journals/resource/954925225012_2