Chinese Journal of Lasers B, 2001, 10 (5): 360, 网络出版: 2006-08-10  

Analysis of the Crosstalk in WDM Systems Caused by Cross-phase Modulation in Erbium-doped Fiber Amplifiers

作者单位
Institute of Quantum Electronics, South China Normal University, Guangzhou 510631, China
摘要
Abstract
The crosstalk in WDM systems caused by cross-phase modulation (XPM) in erbium-doped fiber amplifiers(EDFA) was studied analytically. The results confirm that the EDFA induced phase shift does cause crosstalk in WDM systems. The crosstalk between two channels both with modulated pulse signals is studied for the first time. It was found that the EDFA induced phase shift will cause serious deterioration of the eye diagram when the optical signals continue to travel in the normal-dispersion regime of the transmission fiber, while in the anomalous-dispersion regime this phase shift will not cause much deterioration of the eye diagram.

LIU Ning, LIAO Changjun, LIU Songhao, GUO Qi, XU Wengchen. Analysis of the Crosstalk in WDM Systems Caused by Cross-phase Modulation in Erbium-doped Fiber Amplifiers[J]. Chinese Journal of Lasers B, 2001, 10(5): 360. LIU Ning, LIAO Changjun, LIU Songhao, GUO Qi, XU Wengchen. [J]. 中国激光(英文版), 2001, 10(5): 360.

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