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讨论了 1 0 Gbit/s光通信系统中光发射模块的外调制器产生啁啾的原因和特性 .通过数值计算 ,分析了外调制器啁啾对色散补偿系统的影响 ,结果表明积极利用小量的负啁啾可以降低接收器输出端电眼图代价 ( EOP) 0 .5 d B,从而改善系统性能
The reasons and characteristics of the chirp in the external modulator of the optical transmitter module in a 10 Gbit / s optical communication system are discussed. The influence of the chirp of the external modulator on the chromatic dispersion compensation system is analyzed by numerical calculation. The results show that using the small The negative chirp can reduce the receiver output EOP by 0.5 dBA to improve system performance