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Cross-phase modulational instability in fiber link wit h an active optical amplifier*

Tang Xiang-Hong Zhu Hai-Dong Li Cheng-Jia Wang Xiao-Jun Li Qi-Liang Lin Li-Bin

Cross-phase modulational instability in fiber link wit h an active optical amplifier*

Tang Xiang-Hong, Zhu Hai-Dong, Li Cheng-Jia, Wang Xiao-Jun, Li Qi-Liang, Lin Li-Bin
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  • Received Date:  30 December 2003
  • Accepted Date:  23 March 2004
  • Published Online:  05 June 2004

Cross-phase modulational instability in fiber link wit h an active optical amplifier*

  • 1. (1)杭州电子工业学院理学院,杭州 310018; (2)杭州电子工业学院通信学院,杭州 310037; (3)杭州电子工业学院通信学院,杭州 310037四川大学物理科学与技术学院,成都 610064; (4)四川大学物理科学与技术学院,成都 610064

Abstract: In this paper, analytical and numerical methods are used t o study cross_phase modulational instability. Firstly, by use of coup led nonlinear Schrdinger equation, we have studied the cross_phase modulation i nstability in the normal and anomalous dispersion fiber links of wavelength divi sion multiplexed system with an active amplifier, when the amplitude is perturbed. Se condly, m aking use of the split step Fourier transform and Monte_Carlo method, we simulat ed the cross_phase modulation instability in active normal and anomalous dispers ion fibers with fluctuation of phase noise. Comparison between the above met hods shows that the results agree with each other.

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