The disadvantages of silica fibers used in FTTH are analyzed and the latest research results of plastic fibers, devices and systems in the developed countries introduced.

• 摘要文章分析了石英玻璃光纤应用于光纤到户时存在的问题，并介绍了一些发达国家塑料光纤、器件和系统的最新研究情况。