Narrow-linewidth fiber amplifier for gravitational-wave detectors

Optics Letters
Aaron BuikemaN Mavalvala

Abstract

We report on the design and noise performance of a narrow-linewidth Yb-doped fiber amplifier emitting up to 178 W at 1064 nm for possible use in gravitational-wave (GW) interferometric detectors. The novel design utilizes a specialty large-mode-area gain fiber with confined-core doping and depressed cladding, followed by a smaller-core passive fiber to improve output beam quality. We show that the free-running noise of the system is equal to or better than current Advanced LIGO noise requirements. Finally, we discuss potential improvements for long-term use in GW detectors.

References

Sep 6, 2003·Optics Letters·A LiemA Tünnermann
Mar 10, 2004·Optics Letters·Steven J AugstAntonio Sanchez
Aug 4, 2007·The Review of Scientific Instruments·Patrick KweeKarsten Danzmann
Sep 5, 2005·Optics Express·Guido Mueller
Nov 13, 2006·Optics Express·Matthias HildebrandtDietmar Kracht
Nov 1, 1946·The Review of Scientific Instruments·R V POUND
Apr 4, 2015·Optics Express·Adam LibsonMatthew Evans
Dec 24, 2015·Optics Letters·Thomas TheegDietmar Kracht
Nov 20, 2016·Optics Express·Eisuke FujitaMasaki Tokurakawa
Jan 14, 2017·Optics Express·Jian ZhaoGiorgio Santarelli

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