Yb-Doped Mode-Locked Fiber Laser Based on an All-Fiber Interferometer Filter

被引：1

作者：

Yang, Fan ^{[1
]}

Zhang, Liqiang ^{[1
]}

Bai, Chenglin ^{[1
]}

Ren, Shijie ^{[1
]}

Tian, Zhen ^{[1
,2
]}

Yao, Yicun ^{[1
]}

Wang, Minghong ^{[1
]}

机构：

[1] Liaocheng Univ, Sch Phys Sci & Informat Engn, Shandong Prov Key Lab Opt Commun Sci & Technol, Liaocheng 252000, Peoples R China

[2] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

来源：

PHOTONICS | 2023年 / 10卷 / 02期

关键词：

mode-locked; fiber laser; interferometer filter; FEMTOSECOND LASER; PULSE; BREAKDOWN;

D O I：

10.3390/photonics10020203

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An interference filter is designed by fusing a segment of multi-core fiber (MCF) between two segments of multimode fibers (MMFs), which is then spliced between two segments of single mode fibers (SMFs). The light is split into the cladding and different cores of the MCF through the first segment of MMF, which is then coupled back into the core of SMF by the second segment of MMF. When the lengths of MCF are selected to be 4 mm and 10 mm, the 3 dB bandwidths of the filters around 1060 nm are 8.40 nm and 4.84 nm, respectively. Applying these filters in an Yb-doped fiber laser mode-locked by nonlinear polarization rotation, stable pulses have been obtained. Compared with the reported interference filters, the filter proposed in this paper has the advantages of simple fabrication process, compact structure and high environmental stability.

引用

页数：9

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