The group velocity of optical waves through one-dimensional photonic crystals is investigated based on Kronig-Penney model, whose exact analytic expression is derived via the transfer matrix method. The dispersion relation and the characteristics of group velocity distribution are discussed. 由Kronig-Penney模型导出了光波在一维光子晶体中传播的群速度的解析表达式,利用传输矩阵法对一维光子晶体的色散关系和群速度分布特征进行了数值研究。
The optical bistability ( OB) of intersubband transitions in a semiconductor superlattice is stu-died by applying the general formalism of the Kronig-Penney model and density matrix method. 运用Kronig-Penney(KP)模型的新形式,研究半导体超晶格中子带间跃迁的光学双稳特性。
The optimization of multiple quantum wells structure was made according to Kronig-Kramers model. 根据Kronig-Penney模型,对多量子阱结构进行优化。
At last the electronic band structures of the superlattices were also calculated with the Kronig-Penney model. The results were compared with that calculated by tight-binding method. 最后,也用Kronig&Penney模型对超晶格的电子能带结构进行了计算,并与紧束缚的计算结果进行了比较。
Exact solution for super-symmetric partner potential of Kronig-Penney model Kronig-Penney模型的超对称伙伴势及其精确解