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  Demonstration of a squeezed-light-enhanced power- and signal-recycled Michelson interferometer

Vahlbruch, H., Chelkowski, S., Hage, B., Franzen, A., Danzmann, K., & Schnabel, R. (2005). Demonstration of a squeezed-light-enhanced power- and signal-recycled Michelson interferometer. Physical Review Letters, 95(21): 211102. doi:10.1103/PhysRevLett.95.211102.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4DA8-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4DA9-7
Genre: Journal Article

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95_211102.pdf (Publisher version), 841KB
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 Creators:
Vahlbruch, Henning1, Author              
Chelkowski, Simon1, 2, Author
Hage, Boris1, Author              
Franzen, Alexander1, 2, Author
Danzmann, Karsten1, Author              
Schnabel, Roman1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
2AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24009              

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 Abstract: We report on the experimental combination of three advanced interferometer techniques for gravitational wave detection, namely, power recycling, detuned signal recycling, and squeezed field injection. For the first time, we experimentally prove the compatibility of especially the latter two. To achieve a broadband nonclassical sensitivity improvement, we applied a filter cavity for compensation of quadrature rotation. The signal-to-noise ratio was improved by up to 2.8 dB beyond the coherent state's shot noise. The complete setup was stably locked for arbitrary times and characterized by injected single-sideband modulation fields.

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Language(s): eng - English
 Dates: 2005-11-18
 Publication Status: Published in print
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Title: Physical Review Letters
  Alternative Title : Phys. Rev. Lett.
Source Genre: Journal
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Pages: - Volume / Issue: 95 (21) Sequence Number: 211102 Start / End Page: - Identifier: ISSN: 0031-9007