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《Journal of Optoelectronics.laser》 2002-05
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The Effect of Modulation Instability on Wavelength-division Multiplexing Systems

HUANG Jing 1, LAI Sheng-li 2 (1.Department of Applied Physics,South China University of Technology,Guangzhou 510640,China; 2.College of Electronic and Information,South China University of Technology,Guangzhou 510640,China)  
A more ordinary method which using small signal analysis for modulation instability(MI) is given.For any frequency-and intensity modulation (or noise),the result of frequency and intensity modulation will be derived.So in the frequency domain,the analysis resolve of NLSE can be given.The conversion matrix which describing the conversion between the intensity and phase modulation (or noise) will be valid for any frequency or intensity modulation,and the method can be used to analyse the dispersion effect (including the β 3) in fiber.Basing on the result of small signal analysis,the effect of MI on wavelength-division multiplexing(WDM) system can be discussed in detail:the effect of MI on short waves is stronger than that of on long wave;it will cause every channel's SNR have a deviation and the deviation will be accumulated with the communication fiber length.
【Fund】: 国家自然科学基金资助项目 ( 6 9772 0 0 7)
【CateGory Index】: TN929.11
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