Asymmetric W-shaped and M-shaped soliton pulse generated from a weak modulation in an exponential dispersion decreasing fiber<xref rid="cpb_26_12_120503_fn1" ref-type="fn">*</xref> <fn id="cpb_26_12_120503_fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant No. 11475135), the Fund from Shaanxi Province Science Association of Colleges and Universities (Grant No. 20160216), and Guangxi Provincial Education Department Research Project, China (Grant No. 2017KY0776).</p> </fn>

Asymmetric W-shaped and M-shaped soliton pulse generated from a weak modulation in an exponential dispersion decreasing fiber* *

Project supported by the National Natural Science Foundation of China (Grant No. 11475135), the Fund from Shaanxi Province Science Association of Colleges and Universities (Grant No. 20160216), and Guangxi Provincial Education Department Research Project, China (Grant No. 2017KY0776).

Liu Xiang-Shu^{1, 2}, Zhao Li-Chen^{1, 3}, Duan Liang^{1, 3}, Yang Zhan-Ying^{1, 3, †}, Yang Wen-Li^{3, 4}

(color online) (a) The spectrum intensity evolution of the soliton pulse in component φ₁. (b) The spectrum density evolution (where ω˝ = ω + 2.34 THz) of the soliton pulse in component φ₂. The parameters are ω_r = 2.34 THz, a = 1, b = −1, s = 1, γ = 0.5, and ξ₀ = 750 m.