光交换技术综述

Research in Photonic Switching Technologies

本文着重讨论了光交换技术的技术要点，并与目前电子交换技术进行比较，分析了几种光交换技术的原理，指出了光交换技术的发展前景。

This Correspondence describes the hishpoint about photonic swtching tech nologics, and compares that with the present electronic switching technologies. It analiges the principle of some kinds of photonic switching technologics. The future goals and evolution scenario scenano are also discussed.