用分步傅里叶变换方法数值求解非线性薛定谔方程,研究了一阶自傅里叶光孤子信号在光纤传输中的相互作用特性,证明了算法内部不存在理论误差.数值模拟结果表明:1)一阶自傅里叶孤子对中的相互作用表现不同于一阶标准孤子对,它类似于二阶或准二阶孤子之间的相互作用特性.两孤子经历一段周期性的相互吸引后,出现强烈的相互排斥.2)孤子相互作用特性不足以用孤子的阶去区分或分类,在同一阶的孤子中,不同的脉宽对孤子的相互作用有显著不同的影响.3)微弱的三阶色散效应有利于抑制一阶自傅里叶孤子间的相互作用.
参考文献
| [1] | Yin Dejing.Transmission properties of self-Fourier signal in the optical fiber[J].Chinese Journal of Quantum Electronics(量子电子学报),2009,26(4):499-504(in Chinese). |
| [2] | Agrawal G P.Nonlinear Fiber Optics[M].4nd ed.,Boston:Academic Press,2007. |
| [3] | Desem C,Chu P L.Soliton interaction in the presence of loss and periodic amplification in optical fibers[J].Opt.Lett.,1987,12(5):349-351. |
| [4] | Pinto A N,Agrawal G P,et al.Effect of soliton interaction on timing jitter in communication systems[J].J.Lightwave Technol.,1998,16(4):515-519. |
| [5] | Ozyazici M S.Interaction of higher order solitons[J].Journal of Optoelectronics and Advanced Materials,2004,6(1):71-76. |
| [6] | Zhang Yan,Li Kang,Kong Fanmin.Second order soliton interaction under the influence of intrapulse Raman scattering and its suppression[J].Chinese Journal of Quantum Electronics(量子电子学报),2005,22(5):784-788(in Chinese). |
| [7] | Yue Jin,Wang Rongcheng.Numerical simulation of shape evolution of third-order soliton pair under quintic nonlinear effect[J].Chinese Journal of Quantum Electronics(量子电子学报),2011,28(4):461-466(in Chinese). |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%