Ultra long reach all optical transmission is one of the development trends of optical communication network. The paper introduces the present ultra long reach all optical transmission technologies such as Raman amplifiction
soliton
full spectrum WDM
and makes comprehensive analysis and comparision for their advantages and disadvantages.
关键词
超长距离全光传输拉曼放大孤子全谱WDM
Keywords
ultra long reachall optical transmissionRaman amplifictionSolitonfull spectrum WDM