本文在探索具有固有损耗的微球与锥形光纤耦合系统的光学特性的基础上 ,提出和研究了在微球中具有增益介质或非线性介质的耦合系统 ,推导了解析表达式 ,并且系统地分析了耦合系统的参数对各种特性和应用的影响 ,发现了一些新的特性和新的可能应用 In this paper, based on the investigation of the optical properties of microstrip with conical fiber with inherent loss, a coupling system with gain medium or nonlinear medium in microsphere is proposed and studied, and analytic expressions are deduced. The influence of the parameters of the coupled system on various characteristics and applications is analyzed and some new characteristics and new possible applications are found