This paper only considers optical code conversion.Firstly, it describes the way to realize OCDM/WDM multi-hop networks and the scheme of optical code conversion.

• 只考虑码字转换,首先给出了光码分复用/波分复用多跳光网络的构成方法和码字转换器的一般结构,然后分析了网络中端到端的误码率性能。