Abstract

Erbium doped optical fibres have proved to be very useful optical amplifiers and are currently being installed in optical communications systems. The prospect of extending the concept to integrated optical formats and doping electro-optic materials such as Lithium Niobate with rare earth laser active ions has attracted considerable interest (1), (2). The device objectives are to produce laser media with modulation capabilities. In this paper we discuss a convenient technique which combines fabrication of the waveguide with Er doping.

© 1992 Optical Society of America