摘要
本文运用有效折射率法和WKB法对具有梯形状截面的硅脊形波导的模式特性作了分析,导出了TE模和TM模的模方程以及截止方程,并运用一阶微扰法对因波导顶部注入载流子而引起的模式调制的大小作了数值估计。其结果可为全硅光波导器件的研制提供指导。
By using effective index and WKB methods, mode characteristics of rib silicon waveguides with trapezoidal cross section are analysed. Equations and cutoff equations of TE modes and TM modes are derived respectively. And by means of the first order perturbation theory, changes in mode propagation constants caused by plasma dispersion effect are estimated.
出处
《光学学报》
EI
CAS
CSCD
北大核心
1991年第8期727-732,共6页
Acta Optica Sinica
关键词
硅
波导
等离子体
色散效应
silicon
ridge
waveguide optical dispersion
modulation.
