基于光子晶体光纤的全光再生理论和实验研究.pdf

39 1 V ol. 39, N o. 1 2009 1 LA SER INFRA RED January, 2009 : 100 15078( 2009 光纤技术 1 2 2 2 徐永钊, 张 霞 , 黄永清, 任晓敏 ( 1. , 523808; 2. , 100876 : 提出了利用高非线性光子晶体光纤( PCF 的自相位调 效应( SPM , 实现对高重复率 皮秒脉冲全光再生的方案, 理论分析了再生器的传输特性和滤波器参量对再生特性的影响 此外, 利用一段 80m 的非线性光子晶体光纤进行了全光再生实验, 通过调节入射光纤的功率 和可调谐滤波器的参量实现了对高传输速率脉冲的全光再生, 实验结果与理论分析结果一致 : 光通信; 光子晶体光纤; 全光再生; 自相位调 : TN929. 11 : A Theoretical and Experimental Investigation ofAlloptical Regeneration Based on PhotonicCrastalFiber 1 2 2 2 XU Y ongzhao , ZHANG X ia , HUANG Y ongq ing , REN X iaom in ( 1. D epa rtm en t of E lectronic Eng ineer ing, D ongguan U n ive rs ity o f T echno logy, D ongguan, G uangdong 523808, China; 2. K ey L aborato ry o f O ptical Comm un ication and L ightw ave T echno log iesM in istry o f Education, Be ij ing U n ive rs ity o f P osts and T e lecommun ications, Be ij ing 100876, Ch ina Abstract: A lloptica l regene ration of high repetition p icosecond pu lse based on selfphase modu la tion( SPM in a h igh ly non linear pho ton ic crysta l fibe r( PCF is proposed. T ransm ission cha racte ristics of the reg enerator and filter param e ters on regenerato r pe rfo rm ance are investigated. Fu rtherm ore, a lloptica l regeneration u sing an 80mlong non linear photonic crystal fiber is dem onstrated expermi entally. By adju sting the input pow er into the f ibe r and the pa ram e ters o f the tunab le f ilte r, optical regeneration fo r h igh b it rate signals is