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High-order rogue waves in vector nonlinear Schrödinger equations
Liming Ling1, Boling Guo2, Li-Chen Zhao3
1Department of Mathematics, South China University of Technology, Guangzhou 510640, China.
Abstract:
We study the dynamics of high-order rogue waves (RWs) in two-component coupled nonlinear Schrödinger equations. We find that four fundamental rogue waves can emerge from second-order vector RWs in the coupled system, in contrast to the high-order ones in single-component systems. The distribution shape can be quadrilateral, triangle, and line structures by varying the proper initial excitations given by the exact analytical solutions. The distribution pattern for vector RWs is more abundant than that for scalar rogue waves. Possibilities to observe these new patterns for rogue waves are discussed for a nonlinear fiber.
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