Rare earth co-doping for increased efficiency of resonantly pumped Er-fiber lasers

被引：23

作者：

Baker, Colin C. ^{[1
]}

Burdett, Ashley ^{[2
]}

Friebele, E. Joseph ^{[3
]}

Rhonehouse, Daniel L. ^{[1
]}

Kim, Woohong ^{[1
]}

Sanghera, Jasbinder ^{[1
]}

机构：

[1] Naval Res Lab, 4555 Overlook Ave SW, Washington, DC 20375 USA

[2] Univ Res Fdn, 6411 Ivy Lane,Suite 110, Greenbelt, MD 20770 USA

[3] KeyW Corp, 7740 Milestone Pkwy,Suite 150, Hanover, MD 21076 USA

来源：

OPTICAL MATERIALS EXPRESS | 2019年 / 9卷 / 03期

关键词：

POWER;

D O I：

10.1364/OME.9.001041

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Rare earth co-doping of erbium with optically inactive ytterbium or lanthanum ions was investigated in silica fibers for resonant pumping of amplifiers and lasers. The co-dopants are optically inactive when pumped at 1475 nm and therefore their main role is to reduce erbium clustering in solution-doped fibers. We have demonstrated increased efficiencies compared to fibers where no co-dopants are used. With this technique, a single mode Er-La fiber with an Er ion concentration of 0.98x10(25) ions/m(3), exhibited a slope efficiency of 79.6% in a core-pumped master oscillator-power amplifier (MOPA) with a signal wavelength of 1560 nm. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：1041 / 1048

页数：8

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