我国光纤通信技术达到国际先进水平北京大学研制的８路波分复用系统日前通过技术鉴定，它的研制成功使我国光纤通信技术达到国际９０年代的水平。有关专家认为，北京大学研制的这项成果主要指标已达到实用要求，一旦投入使用，将使一根光纤中能传播原来需要８根光纤才能传... China’s optical fiber communication technology has reached the international advanced level 8-wavelength WDM system developed by Peking University recently passed the technical appraisal. Its successful development has enabled China’s optical fiber communication technology to reach the international level in the 1990s. Relevant experts believe that the major indicators of this achievement developed by Peking University have reached the practical requirements, and once put into use, it will enable an optical fiber to transmit the original need of 8 optical fiber to transmit ...