D ARIVUOLI

Crystal Growth Centre, Anna University, Chennai 600 025, India

Abstract.

In this article, we briefly review the fundamental aspects of nonlinear optical  materials and their role in modern communication. 

Keywords:  Nonlinear optics; nonlinear polarization; optical fiber communication; optical switching.

Pacs Nos.  42.65Tg; 47.81Dp; 42.79Sz; 05.45Yv