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Proceedings Paper

Impact of XPM on the performance of optical switching with NOLM
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Paper 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.

Paper Details

Date Published: 2 October 2006
PDF: 10 pages
Proc. SPIE 6389, Active and Passive Optical Components for Communications VI, 638919 (2 October 2006); doi: 10.1117/12.685847
Show Author Affiliations
Minghui Yuan, Southeast Univ. (China)
Xiaohan Sun, Southeast Univ. (China)

Published in SPIE Proceedings Vol. 6389:
Active and Passive Optical Components for Communications VI
Achyut K. Dutta; Yasutake Ohishi; Niloy K. Dutta; Jesper Moerk, Editor(s)

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