要想实现超远距离传输，一个重要的问题是尽可能地降低光纤的损耗。我们知道光纤有一定的衰耗，光信号沿着光纤传输将会衰减，传输距离会受到衰减的制约，为了使信号传得

The growth of cloud computing has placed a lot of pressure on data centers in r

In the 5G era, fixed-mobile coordination and common development are the inevita

1、 What is optical wavelength division multiplexing technology? WDM (wavelengt

OTN (optical transport network) is a transmission network based on wavelength d

OTN（光传送网，OpticalTransportNetwork），是以波分复用技术为基础、在光层组织网络的传送网，是下一代的骨干传送网。简单来概括就是以波分

第一：光纤通信的优点 传输距离远：光纤连接距离可达120km； 传输速度快：光纤接入能够提供