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《Acta Optica Sinica》 2004-10
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Crosstalk of Signal in Pump Probe Structure with Self-Phase Modulation and Cross-Phase Modulation

Xiong Jie Luo Bin Pan Wei Wang Gang(Institute of Optical Communication, Southwest Jiaotong University, Chengdu 610031)  
The transmission of optical signal under the effects of cross-phase modulation (XPM) and self-phase modulation (SPM) together in pump-probe wave structure is investigated in intensity modulation direct detection wavelength division multiplexing (IM-DD WDM) systems. The analytical method to determine the time-domain shape of probe wave when arbitrary wave is inputted in pump channel is confirmed. The impact of channel spacing and transmission rate on XPM is assessed. It is found that the main effect of SPM in pump channel is to increase time-domain intensity-modulation index to a certain extent. The analytical result agrees well with numerical simulation.
【Fund】: 国家自然科学基金 (10 174 0 5 7);; 西南交通大学博士创新基金项目资助课题
【CateGory Index】: TN929.11
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