期刊
CHINESE PHYSICS B
卷 31, 期 2, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1674-1056/ac2d22
关键词
soliton; Hirota's method; high-order coupled nonlinear Schrodinger system; soliton transmission
资金
- National Natural Science Foundation of China [11875008, 12075034, 11975001, 11975172]
- Open Research Fund of State Key Laboratory of Pulsed Power Laser Technology [SKL2018KF04]
- Fundamental Research Funds for the Central Universities, China [2019XD-A09-3]
In this study, the high-order coupled nonlinear Schrodinger system in optical fiber communication is investigated using Hirota's method. The influence of different wave numbers on soliton transmissions is also discussed.
With the rapid development of communication technology, optical fiber communication has become a key research area in communications. When there are two signals in the optical fiber, the transmission of them can be abstracted as a high-order coupled nonlinear Schrodinger system. In this paper, by using the Hirota's method, we construct the bilinear forms, and study the analytical solution of three solitons in the case of focusing interactions. In addition, by adjusting different wave numbers for phase control, we further discuss the influence of wave numbers on soliton transmissions. It is verified that wave numbers k (11), k (21), k (31), k (22), and k (32) can control the fusion and fission of solitons. The results are beneficial to the study of all-optical switches and fiber lasers in nonlinear optics.
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