针对高增益的光通信用APD的边缘击穿，利用MATLAB得到APD的内部电场分布。运用该模型研究倍增层的厚度对边缘提前击穿特性的抑制程度。-The breakdown for the edge of the high-gain optical communication APD, using MATLAB APD internal electric field distribution. The use of the thickness of the multiplication layer of

some codes in matlab for optical communication