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Chin. Phys., 2003, Vol. 12(5): 502-506    DOI: 10.1088/1009-1963/12/5/007

A modified split-step Fourier method for optical pulse propagation with polarization mode dispersion

Rao Min, Sun Xiao-Han, Zhang Ming-De
Department of Electronics Engineering, Southeast University, Nanjing 210096, China
Abstract  A modified split-step Fourier method (SSFM) is presented to solve the coupled nonlinear Schr?dinger equation (CNLS) that can be used to model high-speed pulse propagation in optical fibres with polarization mode dispersion (PMD). We compare our approach with the SSFM and demonstrate that our approach is much faster with no loss of accuracy. We discuss the pulse distortion and system Q-factor of non-return-to-zero (NRZ), return-to-zero (RZ) and pre-chirped RZ (CRZ) formats in the presence of high PMD through this approach. The simulation results show that CRZ pulses are the most tolerant to high PMD values and the extinct ratio has a great impact on the transmission performance.
Keywords:  return-to-zero      pre-chirped RZ      non-return-to-zero      polarization mode dispersion  
Received:  15 January 2003      Revised:  30 August 2002      Published:  16 March 2005
PACS:  42.81.Dp (Propagation, scattering, and losses; solitons)  
  42.81.Gs (Birefringence, polarization)  
  42.30.Kq (Fourier optics)  
  42.65.Re (Ultrafast processes; optical pulse generation and pulse compression)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 60272048).

Cite this article: 

Rao Min, Sun Xiao-Han, Zhang Ming-De A modified split-step Fourier method for optical pulse propagation with polarization mode dispersion 2003 Chin. Phys. 12 502

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