Single-frequency fiber amplifier at 1.5 μm with 100 W in the linearly-polarized TEM00 mode for next-generation gravitational wave detectors

被引：69

作者：

De Varona, Omar ^{[1
]}

Fittkau, Willy ^{[1
]}

Booker, Phillip ^{[1
]}

Theeg, Thomas ^{[1
]}

Steinke, Michael ^{[1
,2
]}

Kracht, Dietmar ^{[1
,2
]}

Neumann, Joerg ^{[1
,2
]}

Wessels, Peter ^{[1
,2
]}

机构：

[1] Laser Zentrum Hannover eV, Hollerithallee 8, D-30419 Hannover, Germany

[2] Ctr Quantum Engn & Space Time Res, Welfengarten 1, D-30167 Hannover, Germany

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 21期

关键词：

OUTPUT POWER; BRILLOUIN-SCATTERING; ER; AREA; DESIGN; LASERS; PUMP;

D O I：

10.1364/OE.25.024880

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Next-generation gravitational wave detectors require single-frequency and high power lasers at a wavelength of 1.5 mu m addressing a set of demanding requirements such as linearly-polarized TEM00 radiation with low noise to run for long periods. In this context, fiber amplifiers in MOPA configuration are promising candidates to fulfill these requirements. We present a single-frequency monolithic Er:Yb co-doped fiber amplifier (EYDFA) at 1.5 mu m with a linearly-polarized TEM00 output power of 100 W. The EYDFA is pumped off-resonant at 940 nm to enhance the Yb-to-Er energy transfer efficiency and enable higher ASE threshold. We also performed numerical simulations to investigate the off-resonant pumping scheme and confirm the corresponding experimental results. (C) 2017 Optical Society of America

引用

页码：24880 / 24892

页数：13

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