Characteristics of Soliton Evolution in the Wave-Breaking-Free Regime in a Passively Mode-Locked Yb-Doped Fiber Laser

We focus on several aspects concerning the numerical simulation of a passively mode-locked Yb-doped uber laser by a non-distributed model. The characteristics of soliton evolution in a wave-breaking-free regime are numerically investigated with the split-step Fourier method. Based on the model, a pa...

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Bibliographic Details
Published in:Chinese physics letters 2011-09, Vol.28 (9), p.094202-1-094202-4
Main Authors: Wu, Ge (戈吴), Tian, Xiao-Jian (小建 田), Gao, Bo (博高), Shan, Jiang-Dong (江东 单), Ru, Yu-Xing (玉星 汝)
Format: Article
Language:English
Subjects:
Dispersions
Evolution
Fiber lasers
Fourier analysis
Initial conditions
Lasers
Mathematical models
Solitons
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Summary:We focus on several aspects concerning the numerical simulation of a passively mode-locked Yb-doped uber laser by a non-distributed model. The characteristics of soliton evolution in a wave-breaking-free regime are numerically investigated with the split-step Fourier method. Based on the model, a parabolic-shaped .soliton with a nearly linear chirp and bound soliton pairs are obtained by controlling the intra-cavity average dispersion of the uber laser. A phenomenon is observed that by keeping the system parameters unchanged, linearly chirped parabolic soliton and bound soliton pairs are attainable under different initial conditions in the transient region between these two kinds of solitons.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/28/9/094202