【摘要】 本文利用模式耦合理论，分析了光纤失配耦合器在耦合区带有一个布喇格光栅后两光纤中基模场的传输特性，得到基模场发生耦合现象的条件及满足的方程． 采用数值分析方法模拟耦合现象，并得出了带有布喇格光栅的光纤耦合器用于波分复用／解复用的最优化设计方案．更多还原

【Abstract】 Based on the coupled mode theory,the mismatched coupler assisted Bragg grating is theoretically analyzed for the operation in LP 01 mode The equations governing the coupling phenomenon are obtained The design principles of the mismatched coupler assisted Bragg grating for wavelength division multiplexing/demultiplexing application are presented更多还原