Abstract
Electroabsorptive phenomena such as the Franz-Keldysh effect have prompted a considerable number of new device concepts which have potential application in electro-optic systems. The fundamental physical processes underlying these phenomena along with the special material requirements needed to design such new devices are reviewed in this article. Emphasis is placed on the design of electroabsorption modulators, detectors, and filters as well as the latest state of the art of these devices.

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