302 W single-mode power from an Er/Yb fiber MOPA

被引：64

作者：

Matniyaz, Turghun ^{[1
]}

Kong, Fanting ^{[2
]}

Kalichevsky-Dong, Monica T. ^{[1
]}

Dong, Liang ^{[1
]}

机构：

[1] Clemson Univ, ECE COMSET, Anderson, SC 29625 USA

[2] Coherent Inc, 5100 Patrick Henry Dr, Santa Clara, CA 95054 USA

来源：

OPTICS LETTERS | 2020年 / 45卷 / 10期

关键词：

1.5; MU-M; LASER; AMPLIFIER; ER; FREQUENCY; SIGNAL;

D O I：

10.1364/OL.392786

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

There has been very little progress in the power scaling of Er/Yb fiber lasers in over a decade, reflecting the difficulties involved. Here we report, to the best of our knowledge, a new record of 302 W single-mode power from an Er/Yb fiber master oscillator power amplifier (MOPA) with a record optical efficiency of 56%, near the quantum limit. This is made possible by new fiber development from Nufern and off-resonant pumping of the Er/Yb fiber. We also show that further power scaling is no longer limited by ytterbium parasitic lasing but by fiber fuse in the Er/Yb fiber. (C) 2020 Optical Society of America

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收藏

页码：2910 / 2913

页数：4

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