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研制了啁啾的多波长光纤 Bragg光栅 ,波长、波长间隔符合 ITU- T标准 ,利用该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 ;该光栅能滤除反射峰之间未用波长范围内的放大器的自发辐射噪声 (ASE)。进行了 8× 10 Gb/ s 10 3 km WDM色散补偿实验 ,各信道补偿一致性很好
A chirped multiwavelength fiber Bragg grating is developed. The wavelength and wavelength spacing accord with the ITU-T standard. The grating can compensate the dispersion of the multi-channel wavelength at the same time. Each wavelength compensation range of the grating satisfies the wavelength fluctuation of the corresponding channel of ITU-T The grating can filter out spontaneous emission noise (ASE) from amplifiers in the unused wavelength range between the reflected peaks. An 8 × 10 Gb / s 10 3 km WDM dispersion compensation experiment was performed, and the channel compensation consistence was very good