【摘要】 用束传播方法（BPM）对光波长分波器进行了计算机辅助分析及设计。分波器的结构为LiTaO₃晶体中扩散Ti形成的非对称Y分枝条型导波光路,分波波长为1.3μm和1.55μm。采用作者提出的优化结构,该分波器的分波效率可达:对1.55μm,分枝1的透过率为-10.969dB;对1.3μm,分枝2的透过率为16.981dB。更多还原

【Abstract】 The design of optical wavelength demultiplexer （OWD） with BPM and CAA is presented. The structure of OWD is a dissymmetric Y-junction by diffusing Ti into LiTaO₃. The wavelengthes of demultiplexer are 1.3 μm and 1.55μm. The effectiveness of this demultiplexer is as follws: the transmissivity of branch 1 for 1.55μm is —10.969dB; the transmissivity of branch 2 for 1.3μm is —16.981dB.更多还原