Widely Tunable Dual-Wavelength Fiber Laser in the 2 μm Wavelength Range

被引：13

作者：

Sabra, Mostafa ^{[1
]}

Leconte, Baptiste ^{[1
]}

Darwich, Dia ^{[1
]}

Dauliat, Romain ^{[1
]}

Tiess, Tobias ^{[2
]}

Jamier, Raphael ^{[1
]}

Humbert, Georges ^{[1
]}

Jaeger, Matthias ^{[2
]}

Schuster, Kay ^{[2
]}

Roy, Philippe ^{[1
]}

机构：

[1] Univ Limoges, UMR CNRS 7252, Xlim Res Inst, F-87000 Limoges, France

[2] Leibniz Inst Photon Technol, D-07745 Jena, Germany

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2019年 / 37卷 / 10期

关键词：

Bragg gratings; fiber lasers; fiber optics; lasers; optics; thulium; wavelength-tuning;

D O I：

10.1109/JLT.2019.2902076

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：

In this paper, we demonstrate a widely tunable dual-wavelength fiber laser, which is based on a thulium-doped fiber and volume Bragg gratings triggering the emission wavelengths in the 2-mu m band. A continuously tunable wavelength separation range (Delta lambda), from 1 to 144 nm (0.08-11.47 THz) is demonstrated, with > 4.5 W of output power over the tuning range. The laser emission exhibits a linewidth (FWHM) lower than 0.1 nm independent from wavelengths and Delta lambda, with more than 45 dB of a signal-to-noise contrast. A maximum output power of 7 W is obtained for shorter Delta lambda (1-14 nm), corresponding to a slope efficiency of 33% with respect to the incident pump power at 790 nm.

引用

页码：2307 / 2310

页数：4

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