Squeezed-field injection for gravitational wave interferometers

Vahlbruch, Henning; Chelkowski, Simon; Hage, Boris; Franzen, Alexander; Schnabel, Roman; Danzmann, Karsten

doi:10.1088/0264-9381/23/8/S32

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Squeezed-field injection for gravitational wave interferometers

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/persons/resource/persons40504

Vahlbruch, Henning
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Chelkowski, Simon
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40457

Hage, Boris
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Franzen, Alexander
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40490

Schnabel, Roman
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40437

Danzmann, Karsten
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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cqg6_8_s32.pdf
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引用

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.

引用: https://hdl.handle.net/11858/00-001M-0000-0013-4C0D-2

要旨

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.