High-gain single-frequency Tm3+-doped ZBLAN fiber amplifier at 2.33 μm

被引：7

作者：

LI, Xuanxi ^{[1
,2
,3
]}

Zhu, Xiran ^{[1
,2
,3
]}

Yang, LinYong ^{[1
,2
,3
]}

Cui, Yulong ^{[1
,2
,3
]}

Zhou, Zhiyue ^{[1
,2
,3
]}

Wang, Meng ^{[1
,2
,3
]}

Wang, Zefeng ^{[1
,2
,3
]}

机构：

[1] Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China

[2] Natl Univ Def Technol, Nanhu Laser Lab, Changsha 410073, Peoples R China

[3] State Key Lab Pulsed Power Laser Technol, Changsha 410073, Peoples R China

来源：

OPTICS LETTERS | 2023年 / 48卷 / 02期

基金：

中国国家自然科学基金;

关键词：

LASER; MOPA;

D O I：

10.1364/OL.480084

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report here, to the best of our knowledge, the first highgain, single-frequency Tm3+-doped fiber amplifier operating at the 2.3-mu m band with conventional ground-state pumping transition (H-3(6)-> H-3(4)) at 793 nm. The gain fiber is an 8.5-m-long ZBLAN fiber with a Tm3+ doping concentration of 3 mol.%, and the seed is a single-frequency distributed feedback diode laser operated at 2331.9 nm. A gain up to 24.1 dB is generated for similar to 14 W of launched pump power with the maximum output power of 246 mW. The competitive F-3(4) -> H-3(6) laser transition at similar to 2 mu m is also investigated, and the prospects for further power scaling are discussed. (c) 2023 Optica Publishing Group

引用

页码：502 / 505

页数：4

共 17 条

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