摘要
讨论了提升R点系统OSNR门限的3种方法以及在偏振复用相干检测技术下Q裕度的调整范围;最后论证了芯片技术是商用SD-FEC的关键。
It discusses 3 ways on improving the threshold of OSNR（R point）, and the adjustment range of Q margin in polarization multi- plexing and coherent detection. Finally it demonstrates that the chip technology is key for commercial SD-FEC.
出处
《邮电设计技术》
2012年第5期43-46,共4页
Designing Techniques of Posts and Telecommunications
