We compare the characteristics of three electroabsorption modulators fabricated using GaAs/AlGaAs multiple quantum well structures with well widths 47, 87, and 145 Å. We find that the narrow well structure provides the largest change in transmission. The 87 Å well structure provides the largest contrast ratio, while the wide well sample offers the lowest operating voltage.
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Whitehead et al. (1988) studied this question.
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