Single-frequency fiber laser from linear cavity with loop mirror filter and dual-cascaded FBGs

被引：22

作者：

Huang, SH ^{[1
]}

Qin, GS ^{[1
]}

Feng, Y ^{[1
]}

Shirakawa, A ^{[1
]}

Musha, M ^{[1
]}

Ueda, KI ^{[1
]}

机构：

[1] Univ Electrocommun, Inst Laser Sci, Tokyo 1828585, Japan

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 06期

关键词：

dynamic Bragg grating; loop-mirror filter (LMF); single-frequency laser; spatial hole burning;

D O I：

10.1109/LPT.2005.846469

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A single-frequency ytterbium fiber laser was demonstrated by introducing a loop mirror filter, a polarization controller (PC), and dual-cascaded fiber Bragg gratings (FBGs) in linear laser cavity. The loop mirror with unpumped ytterbium fiber as a narrow bandwidth filter discriminated and selected laser longitudinal modes efficiently. The spatial hole burning effect was restrained by adjusting PC appropriately. Dual closely cascaded FBGs as the output coupler, acting as an etalon, expanded the operation range of single frequency. Output power up to 18 mW at 1064 nm were obtained under the launched pump power of 107 mW at 976 nm, the optical-optical conversion efficiency was about 16.8%; the slope efficiency was about 20%.

引用

页码：1169 / 1171

页数：3

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