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目前,O/E转换电子瓶颈的制约限制了信息的快速传递,电+光的通信网络已不能满足高速率、大容量、长距离的信息传送要求。不断开发光领域新技术,充分挖掘光通信技术潜力,以满足21世纪信息网络互联的需求,全光网络则是满足这种需求的最佳发展趋势。1全光网络概述a.什么是全光网络
At present, the restriction of electronic bottleneck of O / E conversion limits the rapid transfer of information, and the electrical and optical communication network can not meet the requirements of high-speed, large-capacity and long-distance information transmission. We will continue to develop new technologies in the optical field and fully exploit the potential of optical communication technologies to meet the demand of information network interconnection in the 21st century. All optical networks are the best development trend to meet this demand. 1 All Optical Network Overview a. What is all optical network