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Differential phase-noise properties of a ytterbium-doped fiber amplifier for the Laser Interferometer Space Antenna

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

Barke,  S.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40460

Heinzel,  Gerhard
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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OpticLett35_435.pdf
(Any fulltext), 725KB

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Citation

Tröbs, M., Barke, S., Theeg, T., Kracht, D., Heinzel, G., & Danzmann, K. (2010). Differential phase-noise properties of a ytterbium-doped fiber amplifier for the Laser Interferometer Space Antenna. Optics Letters, 35(3), 435-437. doi:10.1364/OL.35.000435.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0012-64DC-1
Abstract
The interferometric gravitational-wave detector Laser Interferometer Space Antenna (LISA) needs to transfer clock information among its three spacecraft in the form of phase-modulation sidebands. For this reason phase noise introduced by the optical chain between the carrier and a sideband must be low. We have measured this differential phase noise for a ytterbium-doped fiber amplifier emitting up to 2 W. For 1 W of output power as required for LISA, the measured differential phase noise was within its requirement. For 2 W output power the amplifier exhibited stimulated Brillouin scattering and showed a differential phase-noise factor of up to 15 higher. Dependencies on operating parameters and optical length noise of the amplifier were also measured.