Conference on Lasers and Electro-Optics Europe - Technical Digest, article no. 1568112,
Abstract
In this paper, we have fabricated EO modulators using InAs/lnGaAs columnar QDs, and measured the modulation characteristics. The switching voltage is about 6.1 V and the modulation efficiencies of QD EO modulators are higher than those of bulk modulators at 1.55 /spl mu/m.