Figure 3From: Riemann–Hilbert approach and N-soliton solution for an eighth-order nonlinear Schrödinger equation in an optical fiberOne-soliton solution (26) with \({{\tilde{a}}}_{1}=0.3\), \({{\tilde{b}}}_{1}=0.25\), \(\alpha _{1}=\beta _{1}=1\), \(\xi _{1}=0\). (a) Perspective view of the imaginary part of p; (b) The soliton along the x-axis with different time in Fig. 3(a)Back to article page