According to the research status in China as well as in the world ,it is crucial to carry on the research on PMD for improving the domestic high bitrate optical fiber communication technology .

• 根据国外的研究情况和我国的具体实情,指出研究偏振模色散的测试和补偿技术对提高我国高速光纤通信技术的水平具有重大意义。