Exploiting nonlinear properties of pure and Sn-doped Bi2Te2Se for passive Q-switching of all-polarization maintaining ytterbium- and erbium-doped fiber lasers

被引：11

作者：

Boguslawski, Jakub ^{[1
]}

Kowalczyk, Maciej ^{[1
]}

Iwanowski, Przemyslaw ^{[2
,3
]}

Hruban, Andrzej ^{[2
]}

Diduszko, Ryszard ^{[2
,4
]}

Piotrowski, Kazimierz ^{[2
]}

Dybko, Krzysztof ^{[2
]}

Wojciechowski, Tomasz ^{[2
,3
]}

Aleszkiewicz, Marta ^{[2
]}

Sotor, Jaroslaw ^{[1
]}

机构：

[1] Wroclaw Univ Sci & Technol, Fac Elect, Laser & Fiber Elect Grp, Wybrzeze S Wyspianskiego 27, PL-50370 Wroclaw, Poland

[2] Polish Acad Sci, Inst Phys, Aleja Lotnikow 32-46, PL-02668 Warsaw, Poland

[3] Int Res Ctr MagTop, Aleja Lotnikow 32-46, PL-02668 Warsaw, Poland

[4] Tele & Radio Res Inst, Ratuszowa 11, PL-03450 Warsaw, Poland

来源：

SCIENTIFIC REPORTS | 2017年 / 7卷

关键词：

TOPOLOGICAL INSULATOR BI2SE3; SATURABLE ABSORBER; MODE-LOCKING; GRAPHENE; ABSORPTION;

D O I：

10.1038/s41598-017-07706-7

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Due to their broadband nonlinear optical properties, low-dimensional materials are widely used for pulse generation in fiber and solid-state lasers. Here we demonstrate novel materials, Bi2Te2Se (BTS) and Sn-doped Bi2Te2Se (BSTS), which can be used as a universal saturable absorbers for distinct spectral regimes. The material was mechanically exfoliated from a bulk single-crystal and deposited onto a side-polished fiber. We have performed characterization of the fabricated devices and employed them in polarization-maintaining ytterbium-and erbium-doped fiber lasers. This enabled us to obtain self-starting passively Q-switched regime at 1 mu m and 1.56 mu m. The oscillators emitted stable, linearly polarized radiation with the highest single pulse energy approaching 692 nJ. Both lasers are characterized by the best performance observed in all-polarization maintaining Q-switched fiber lasers with recently investigated new saturable absorbers, which was enabled by a very high damage threshold of the devices. This demonstrates the great potential of the investigated materials for the ultrafast photonics community.

引用

页数：10

共 45 条

[1] Optical properties of Bi2Te2Se at ambient and high pressures [J].