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作 者:刘玉敏[1] 俞重远[1] 杨红波[1] 张娜[1] 张晓光[1]
机构地区:[1]北京邮电大学理学院
出 处:《光子学报》2005年第11期1701-1705,共5页Acta Photonica Sinica
基 金:国家863计划(No.2003AA311070)资助项目
摘 要:利用粒子群算法对二元相位取样光栅的周期相位调制进行优化设计,在此基础上提出了基于二元相位取样光纤布喇格光栅的色散和色散斜率补偿技术.通过光栅周期啁啾可以调整每个信道的带宽,色散量由子光栅长度决定,调整取样函数的啁啾系数可以改变色散斜率,因此可以设计出用于波分复用系统的多信道色散补偿器件.The binary phase-sampled fiber Bragg grating was optimized based on the particle swarm optimization method. Through the method, the dispersion and dispersion slope compensation technology were proposed by the binary phase-sampled fiber Bragg gratings. The bandwidth of each channel could be adjusted by the chirped period of the grating, and the total dispersion of each channel was dependent on the length of the seed grating. Finally the dispersion slope could be altered by adjusting the sampled function. So this technology is very attractive in design the multi-channel dispersion compensation devices for wavelength division multiplex system.
分 类 号:TN253[电子电信—物理电子学] TN929.11
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