A new coupled-mode theory based on scalar modes is presented for the anisotropic waveguide with random disturbance via Helmholtz equation and a modified dielectric tensor. 摘要从亥姆霍兹方程出发，得到了各向异性光波导在弱导近似下的耦合模理论。
Based on the single-mode and multi-mode space charge wave theory, the analytical expressions for the electronic conductance in a double gap coupling MBK cavity are derived. 该文基于空间电荷波理论模型，推导出多注双间隙耦合腔电子电导的单模理论和多模理论计算公式。
