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1IntroductionUsingdispersioncompensatingtechniquestoupgradetheexistingnondispersionshiftedfiber(NDSF)telecommunicationsystemi... 相似文献
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Lin Zhu Guozhong Wang Li Xia Shizhong Xie 《International Journal of Infrared and Millimeter Waves》2002,23(3):465-473
Chirped fiber Bragg grating (CBG) has been used to compensate the dispersion in the optical fiber communication system. We substitute dispersion compensation fiber (DCF) with CBG in the 10Gbit/s disperion-managed system over 1100km. In order to get system performance in the nonideal situation, the parameters of CBG are varied from the designed optimum in some extent. Post-, pre- and dual-compensation methods are compared. 相似文献
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40Gb/s光时分复用传输光纤光栅补偿色散研究 总被引:8,自引:1,他引:7
用精密扫描掩模法写入宽阻带啁啾光纤光栅,掩模板背面两端各10%长度处镀有按4阶高斯函数透过率的膜,写入的啁啾光栅的时延纹波最大值为20ps。为减少写入光纤光栅的偏振模色散,研制了新的低偏振模色散光纤光栅补偿写入法。采用补偿写入法前的平均微分群时延为9.1406 ps;采用补偿写入法后的平均微分群时延为0.1521 ps。并利用低偏振模色散光纤光栅对40Gb/s光时分复用系统在普通G.652光纤传输122km的色散进行了补偿实验,功率代价为1.5dB。 相似文献
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