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Generation and dynamics of soliton and soliton molecules from a VSe2/GO-based fiber laser by Wang, Benhai; Han, Haobin; Yu, Lijun; Wang, Yueyue; Dai, Chaoqing is a scholarly article available to read on EtoBox.

What is Generation and dynamics of soliton and soliton molecules from a VSe2/GO-based fiber laser about?

Recently, in addition to exploring the application of new saturable absorber devices in fiber lasers, soliton dynamics has also become a focus of current research. In this article, we report an ultrashort pulse fiber laser based on VSe2/GO nanocomposite and verify the formation process of soliton and soliton molecules by the numerical simulation. The prepared VSe2/GO-based device shows excellent saturable absorption characteristics with a modulation depth of 14.3% and a saturation absorption intensity of 0.93MW/cm2. The conventional soliton is obtained with pulse width of 573fs, which is currently the narrowest pulse width based on VSe2-related material, and has a signal-to-noise ratio of 60.4 dB. In addition, the soliton molecules are realized based on the VSe2/GO for the first time and have a pulse interval of ~2.2ps. We study the soliton dynamics through numerical simulation and reveal that before the formation of the soliton, it undergoes multiple nonlinear stages, such as soliton mode-locking, soliton splitting, and soliton oscillation. Furthermore, the results of numerical simulation are agreed well with the experimental data. These results indicate that the VSe2/GO might be

Author

Wang, Benhai; Han, Haobin; Yu, Lijun; Wang, Yueyue; Dai, Chaoqing

Published

2021

Language

EN