All-normal-dispersion passively mode-locked Yb-doped fiber laser with multimode interference effect - 文章详情页

作者：

Tan, Fangzhou (Tan, Fangzhou.) | Liu, Jiang (Liu, Jiang.) | Sun, Ruoyu (Sun, Ruoyu.) | Wang, Pu (Wang, Pu.) (学者：王璞)

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摘要：

An　all-fiber　dissipative-soliton　passively　mode-locked　fiber　laser　is　reported.　A　filter　based　on　multimode　interference　is　used,　which　consists　of　two　seqments　of　single-mode　fiber　(SMF)　and　a　segment　of　multimode　fiber　(MMF).　By　proper　selection　of　the　MMF　length,　a　band-pass　filter　with　central　wavelength　of　1067　nm　and　band　width　of　7.5　nm　is　fabricated.　The　filter　for　spectral　filtering　in　an　all-normal　dispersion　mode-locked　ytterbium-doped　fiber　laser　is　used.　A　semiconductor　saturable　absorber　mirror　(SESAM)　is　used　as　a　saturable　absorber　in　the　laser　cavity.　With　the　pump　power　of　865　mW,　stable　pulse　train　which　is　highly　chirped　with　average　repetition　rate　of　18.5　MHz　and　pulse　width　of　21　ps　is　obtained.　The　average　output　power　is　8　mW,　so　the　single　pulse　energy　is　0.43　nJ.　The　full　width　at　half　maximum　(FWHM)　of　output　pulse　is　4.32　nm.　The　spectrum　has　a　steep　edge.

关键词：

Bandpass filters Dispersion (waves) Fiber lasers Fibers Laser mirrors Lasers Mode-locked fiber lasers Multimode fibers Optical pumping Passive mode locking Pulse repetition rate Semiconductor lasers Semiconductor saturable absorber mirrors Single mode fibers Solitons

作者机构：

[ 1 ] [Tan, Fangzhou]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Liu, Jiang]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Sun, Ruoyu]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Wang, Pu]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China

通讯作者信息：

电子邮件地址：

wangpuemail@bjut.edu.cn

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