We present a 1 × 2 multimode interference splitter integrated with duo electroabsorption modulator based switches, one at each output arm. The material structure consists of an InGaAlAs/InGaAlAs multiple-quantum-well active core layer with a dual depletion region active core structure and a large optical cavity waveguide design. The switches exhibited an extinction ratio of up to 10 dB at a driving voltage-swing of 2.0 V.
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