Modulation instability, rogue waves and conservation laws in higher-order nonlinear Schrödinger equation

Min-Jie Dong,Li-Xin Tian

Figure 2. Breather solutions in equation (2) for parameters: $\alpha =\tfrac{1}{100}$, $\delta =\tfrac{1}{100}$ (a), (b), (c) $\lambda =\tfrac{3}{4}{\rm{i}}$ ; (d), (e), (f) $\lambda =\tfrac{5}{4}{\rm{i}}$.