2 October 2006 Impact of XPM on the performance of optical switching with NOLM
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Proceedings Volume 6389, Active and Passive Optical Components for Communications VI; 638919 (2006) https://doi.org/10.1117/12.685847
Event: Optics East 2006, 2006, Boston, Massachusetts, United States
Abstract
The impact of the cross-phase modulation (XPM) on the performance of NOLM in the single-wavelength channel and WDM channel is studied by using the split-step Fourier method (SSFM) that can solve the coupled nonlinear Schroedinger equation (CNLSE). The numerical simulation results show that the switching performance of NOLM is distorted by the XPM induced nonreciprocity when the splitting ratio of NOLM coupler 0.5 f ≠ and the distortion effect would be more serious with the increase of the working speed. The power transmission function of NOLM decreases in the range of f ∈ (0,0.5) and increases in the range of f ∈ (0.5,1). Furthermore, the impact of XPM induced by the crosstalk of wavelengths is far more than that of XPM induced by the overlap of counter-propagating optical components in the WDM channel. Pedestals are leaked from the main lobe appear and the pedestals of the middle wavelengths are larger than those of the edge wavelengths.
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Minghui Yuan, Xiaohan Sun, "Impact of XPM on the performance of optical switching with NOLM", Proc. SPIE 6389, Active and Passive Optical Components for Communications VI, 638919 (2 October 2006); doi: 10.1117/12.685847; https://doi.org/10.1117/12.685847
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