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A resonant-tunnelling optical bistable laser is fabricated by monolithically integrating an InGaAs/InAlAs MQW laser diode and an InGaAs/AlAsSb resonant-tunnelling phototransistor. Inverter type light-input/light-output optical bistable operation is achieved with this bistable laser.
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Kawamura et al. (1994) studied this question.
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