An Ytterbium-Doped Narrow-Bandwidth Randomly Distributed Feedback Laser Emitting at a Wavelength of 976 nm

被引：2

作者：

Davydov, Danila A. ^{[1
]}

Rybaltovsky, Andrey A. ^{[1
]}

Aleshkina, Svetlana S. ^{[1
]}

Velmiskin, Vladimir V. ^{[1
]}

Likhachev, Mikhail E. ^{[1
]}

Popov, Sergei M. ^{[2
]}

Ryakhovskiy, Dmitry V. ^{[2
]}

Chamorovskiy, Yuriy K. ^{[2
]}

Umnikov, Andrey A. ^{[3
]}

Lipatov, Denis S. ^{[3
]}

机构：

[1] Russian Acad Sci, Dianov Fiber Opt Res Ctr, Prokhorov Gen Phys Inst, Moscow 119333, Russia

[2] Russian Acad Sci, Kotelnikov Inst Radioengn & Elect, Fryazino Branch, 1 Akad Vvedenskogo Pl, Fryazino 141190, Moscow Region, Russia

[3] Russian Acad Sci, Devyatykh Inst Chem High Pur Subst, 49 Tropinina St, Nizhnii Novgorod 603951, Russia

来源：

PHOTONICS | 2023年 / 10卷 / 08期

关键词：

fiber laser; random distributed feedback; ytterbium-doped fiber; fiber Bragg grating; single-frequency laser; FIBER LASER; LIGHT; GENERATION;

D O I：

10.3390/photonics10080951

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

All-fiber, polarization maintaining, narrow-bandwidth, Yb-doped fiber lasers with randomly distributed feedback operated near 976 nm were realized for the first time. It was shown that the laser operated in a single, longitudinal mode regime during intervals of a few seconds. At other times, the laser generated a few longitudinal modes, but its bandwidth was always below the resolution of the optical spectrum analyzer (0.02 nm). The linewidth of each single longitudinal mode of the laser was estimated to be below 20 kHz. The reasons for this observed laser behavior were discussed and methods for achieving stable, continuous wave operation in the single-longitudinal-mode regime were proposed.

引用

页数：12

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