分析了提高光纤参量放大增益、扩展带宽、降低偏振灵敏度的几种重要方法,全面综述了光纤参量在分立式集中放大、透明的波长转换、归零脉码生成、O-TDM开关、全光抽样、可擦除全光缓存、3R再生等方面的典型应用。 This paper analyzes several important ways to increase the gain, bandwidth and polarization sensitivity of optical fiber parameters, and gives a comprehensive review of the advantages and disadvantages of optical fiber parameters in discrete centralized amplification, transparent wavelength conversion, zero return pulse code generation, O-TDM switch, Sampling, erasable all-optical cache, 3R regeneration and other typical applications.