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  Squeezed-field injection for gravitational wave interferometers

Vahlbruch, H., Chelkowski, S., Hage, B., Franzen, A., Schnabel, R., & Danzmann, K. (2006). Squeezed-field injection for gravitational wave interferometers. Classical and Quantum Gravity, 23(8), S251-S257.

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cqg6_8_s32.pdf (Publisher version), 152KB
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 Creators:
Vahlbruch, Henning1, Author           
Chelkowski, Simon1, 2, Author
Hage, Boris1, Author           
Franzen, Alexander1, 2, Author
Schnabel, Roman1, Author           
Danzmann, Karsten1, Author           
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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: In a recent table-top experiment, we demonstrated the compatibility of three advanced interferometer techniques for gravitational wave detection, namely power-recycling, detuned signal recycling and squeezed-field injection. The interferometer's signal-to-noise ratio was improved by up to 2.8 dB beyond the coherent state's shot-noise. This value was mainly limited by optical losses on the squeezed field. We present a detailed analysis of the optical losses in our experiment and provide an estimation of the possible nonclassical performance of a future squeezed-field enhanced GEO 600 detector.

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 Dates: 2006
 Publication Status: Issued
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Title: 6th Edoardo Amaldi Conference On Gravitational Waves
Place of Event: Okinawa, Japan
Start-/End Date: 2005-06-20 - 2005-06-24

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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 23 (8) Sequence Number: - Start / End Page: S251 - S257 Identifier: ISSN: 0264-9381