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研制了一种多波长啁啾光纤布拉格 (Bragg)光栅 ,波长、波长间隔符合ITU T标准 ,利用这种多波长啁啾光栅可以同时对多信道波长进行色散补偿 ,光栅的每个波长补偿范围满足ITU T对应信道波长波动的要求 ,并进行了 4× 10Gb/s、4 12km波分复用色散补偿实验 ,实验结果比色散补偿光纤模块要好 ,无误码功率代价都小于 2dB。
A multi-wavelength chirped fiber Bragg grating is developed. The wavelength and wavelength spacing accord with the ITU T standard. With this multi-wavelength chirped grating, the dispersion compensation of the multi-channel wavelength can be performed simultaneously. The compensation range of each wavelength of the grating satisfies ITU T corresponds to the requirements of channel wavelength fluctuation, and conducted 4 × 10Gb / s, 4 12km wavelength division multiplexing dispersion compensation experiment, the experimental results better than the dispersion compensation fiber module, error-free power costs are less than 2dB.