Abstract
Electroabsorption modulators made from multiple quantum wells (MQWs) show promise for application to optical fiber systems. Because of the relatively low absorption saturation intensities of MQWs2 and bulk3 electroabsorption modulators. Here, we report, for the first time, mea surements of the saturation intensities of the electroabsorption in long-wavelength MQWs. We studied both the decrease in on/off ratio and changes in bandwidth of such devices at high input intensities. Preliminay studies of related effects have been reported in GaAs/AlGaAs MQWs.4
© 1990 Optical Society of America
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