Splitstep Fourier method is used to numerically solve coupled nonlinear Schrdinger equation, and to study the properties of pulse propagation in the fiber with randomly varying birefringence. It is found that when the incidence power of the pulse exceeds a certain value, two polarizing parts will catch each other and propagate with the same velocity. This phenomenon is called strapping effect, which can validly repress polarization mode dispersion.
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梁齐爱,曹文华.随机双折射光纤中基于孤子俘获效应的偏振模色散的抑制[J].激光与红外,2007,37(8):773~776 LIANG Qi-ai, CAO Wen-hua. Polarization Mode Dispersion Repression in Randomly Varying Birefringence Fiber[J]. LASER & INFRARED,2007,37(8):773~776