Abstract : brief introduction to ( 2 ) cascading nonlinearities is presented . the enhancement mechanisms for optical kerr effect and the photorefractive effect as ( 2 ) cascading process are discussed . mutual inductance between quadric and cubic nonlinearities opens possibilities for engineering optical nonlinearities 文摘:介绍了( 2 )串级非线性.讨论了串级光克尔非线性和串级光折变非线性的增强机制,并指出二阶和三阶非线性的相互转化,为光学非线性工程设计提供了可行性