multimode waveguides meaning in Chinese

多模波导

applying an exact modal propagation analysis method and self-imaging theory, i analyzed the principle of mmi coupler . then, the self-imaging effect in graded-index waveguide has been analyzed and simulated using three-dimensional bpm . considering normal technology error, a low loss y-branch structure ( symmetric or asymmetric ) with a multimode waveguide transition section is introduced and designed
在设计y分支波导结构时，考虑常规工艺误差的影响，引入多模波导作为y分支波导结构的过渡区，利用参数空间搜索法来设计结构参数，实现低损耗的y分支结构。