Mode-Locked Er-Doped Fiber Laser by Using MoS 2 /SiO 2 Saturable Absorber

Lu Li, Ruidong Lv, Zhendong Chen, Jiang Wang, Sicong Liu, Wei Ren, Yonggang Wang

科研成果: 期刊稿件文章同行评审

16 引用 (Scopus)

摘要

The two-dimensional (2D) layered material MoS 2 has attracted numerous attentions for electronics and optoelectronics applications. In this work, a novel type of MoS 2 -doped sol-gel glass composite material is prepared. The nonlinear optical properties of prepared MoS 2 /SiO 2 composite material are measured with modulation depth (ΔT) of 3.5% and saturable intensity (I sat ) of 20.15 MW/cm 2 . The optical damage threshold is 3.46 J/cm 2 . Using the MoS 2 /SiO 2 composite material as saturable absorber (SA), a passive mode-locked Er-doped fiber (EDF) laser is realized. Stable conventional soliton mode-locking pulses are successfully generated with a pulse width of 780 fs at the pump power of 90 mW. In the pump power range of 100–600 mW, another stable mode-locking operation is obtained. The pulse width is 1.21 ps and the maximum output power is 5.11 mW. The results indicate that MoS 2 /SiO 2 composite materials could offer a new way for optical applications.

源语言英语
文章编号59
期刊Nanoscale Research Letters
14
DOI
出版状态已出版 - 2019
已对外发布

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