A simple and practical modeling of the GexSi1-x/Si heterojunction zero-gapdirectional coupler switch (BOA type-Bifurcation Optique Active) is proposed.

• 提出一种简便可行的GexSi1－x异质结无间距定向耦合光开关（BOA型－BifurcationOpticalActive）模型分析方法。