Three layer fiber with high stimulated Brillouin scattering threshold

被引：3

作者：

Khudyakovi, M. M. ^{[1
,2
]}

Likhachev, M. E. ^{[1
]}

Bubnov, M. M. ^{[1
]}

Lipatov, D. S. ^{[3
]}

Lobanov, A. S. ^{[3
]}

Guryanov, A. N. ^{[3
]}

机构：

[1] Russian Acad Sci, Fiber Opt Res Ctr, 38 Vavilova St, Moscow 119333, Russia

[2] State Univ, Moscow Inst Phys & Technol, Inst Skii Per 9, Dolgoprudnyi 141700, Moscow Region, Russia

[3] Russian Acad Sci, GG Devyatykh Inst Chem High Pur Subst, 49 Tropinina St, Nizhnii Novgorod 603950, Russia

来源：

FIBER LASERS XIV: TECHNOLOGY AND SYSTEMS | 2017年 / 10083卷

基金：

俄罗斯基础研究基金会;

关键词：

Stimulated Brillouin Scattering; SBS; SBS suppression; optical fiber; MCVD;

D O I：

10.1117/12.2252797

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：

Simple method to increase stimulated Brillouin scattering (SBS) threshold in MCVD fiber based on design with few concentric layers having different compound has been proposed. Two sets of fibers with core consisting of three layers with different alumina and germania concentrations have been fabricated. First set of fibers was designed for Raman amplifiers and had a relatively small mode field area of 23-28 mu m(2). The second set of fibers was designed for high peak power pulse delivery and had mode area of 225-325 mu m(2). SBS suppression (as compared to the Ge-doped fibers) was estimated from SBS gain spectra and direct observation of SBS threshold to be more than 6 dB and 3.3 dB for the first and the second type of fibers correspondingly.

引用

页数：9

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