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自电话诞生以来 ,带宽始终是电信运营商最宝贵的财富 ,通信业务的种类受限于带宽 ,通信的成本取决于带宽 ,光通信技术的出现逐渐改变了这一切 ,但随着单波长光通信速率的迅速提高 ,电子瓶颈问题出现了 ,人们继续提高单波长信道的通信速率遇到了困难 ,如何迅速提高光传输系统的
Since the inception of the telephone, bandwidth has always been the most valuable asset for telecom operators. The types of communication services are limited by the bandwidth. The cost of communication depends on the bandwidth. The emergence of optical communication technology has gradually changed all this. But with the development of single wavelength optical communication With the rapid increase of the rate and the electronic bottleneck problem, people have encountered difficulties in continuing to improve the communication rate of the single-wavelength channel, and how to rapidly improve the optical transmission system