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Soliton interaction in the coupled mixed derivative nonlinear Schrödinger equations |
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| Authors: | Hai-Qiang Zhang, Bo Tian, Xing Lü , He Li,Xiang-Hua Meng |
| Affiliation: | a School of Science, PO Box 122, Beijing University of Posts and Telecommunications, Beijing 100876, China b State Key Laboratory of Software Development Environment, Beijing University of Aeronautics and Astronautics, Beijing 100191, China c Key Laboratory of Information Photonics and Optical Communications (BUPT), Ministry of Education, PO Box 128, Beijing University of Posts and Telecommunications, Beijing 100876, China d Ministry-of-Education Key Laboratory of Fluid Mechanics and National Laboratory for Computational Fluid Dynamics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China |
| Abstract: | The bright one- and two-soliton solutions of the coupled mixed derivative nonlinear Schrödinger equations in birefringent optical fibers are obtained by using the Hirota's bilinear method. The investigation on the collision dynamics of the bright vector solitons shows that there exists complete or partial energy switching in this coupled model. Such parametric energy exchanges can be effectively controlled and quantificationally measured by analyzing the collision dynamics of the bright vector solitons. The influence of two types of nonlinear coefficient parameters on the energy of each vector soliton, is also discussed. Based on the significant energy transfer between the two components of each vector soliton, it is feasible to exploit the future applications in the design of logical gates, fiber directional couplers and quantum information processors. |
| Keywords: | Coupled mixed derivative nonlinear Schrö dinger equations Vector soliton Elastic and inelastic collisions Hirota's bilinear method |
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