随着光网络的不断发展,人们对光开关的切换速度及可靠性方面的要求越来越高。磁光开关具有快的反应速度、低的插入损耗和固有的非互易性等特点,将在全光网络中起重要的作用。 在福建省科技计划资助项目的支持下,本文提出并研制出一种新型的磁光开关,实验结果表明该磁光开关具有纳秒级的开关速度。根据全光纤磁光开关的组成部分以及相关功能,本文的研究内容主要包括以下几个方面。 (1)光路的设计及搭建 光路是全光纤磁光开关的核心部分,它决定了光开关的总体性能、成本和结构。磁光开关的光路设计主要根据磁光材料的法拉第效应和线偏振光的性质。全光纤磁光开关的光路主要包括了偏振分束器、偏振合束器、磁光晶体材料和半波片等部...With the continuous development of optical network, the demand of high-speed and reliability of optical switch is increased. Magneto-optic switch is expected to play an important role in all-optical network due to its high switching speed, operating at low voltages, featured as low insertion loss and intrinsic non-reciprocity. A new Magneto-optic switch is proposed and manufactured by the ...学位:工学硕士院系专业:物理与机电工程学院机电工程系_机械电子工程学号:1992006115184