This dissertation begins with a study of some of the linear and nonlinear optical properties of composite materials consisting of CdS;The data demonstrates that this class of materials exhibit: a strong saturation of absorption due to band filling; a large n;These measurements were used to identify the optimum sample of the semiconductor doped glasses to demonstrate an efficient degenerate four-wave mixing process within a planar waveguide. High quality single mode waveguides were fabricated from the semiconductor doped glass by K...