基于新型取样光栅密集波分复用色散斜率补偿器的研究

In high-speed, dense wavelength division-multiplexed (DWDM) transmission system, not only first-order dispersion but also the dispersion slope (second-order dispersion) is compensated for necessarily. Sampled Bragg grating (SBG) can be used as multi-channel dispersion compensator. In the present project and in the best our knowledge, the chirp in the sampling period is proposed to compensate for dispersion slope for the first time. Based on our patent technology, 4-channle dispersion slope compensator is achieved successfully.

随着波分复用信道数的增加，不仅光纤的色散而且色散斜率需要补偿。本项目以已经取得的创新研究成果为基础，专注于基于新型取样光纤光栅的密集波分复用光通信系统用色散斜率补偿器的研究。主要是新型取样光纤光栅设计的完善和制作工艺的发展。本项目的实施将有助于国内光纤系统的密集波分复用色散斜率补偿技术居于世界领先水平。