Binary optical switch and programmable optical logic gate based on the integration of GaAs/AlGaAs surface-emitting lasers and heterojunction phototransistors
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Optical switches based on GaAs/AlGaAs vertical-cavity surface-emitting lasers and heterojunction phototransistors are combined monolithically into new switching configurations that perform optical logic and spatial routing in a dynamically programmable manner. Using simple voltage control, many different logic and routing configurations, including AND and OR gates with variable fan-out, can be implemented using the same hardware.
Vawter, G. A.; Chalmers, S. A.; Zolper, J. C.; Lear, Kevin L.; Zilko, John Leon; Adams, A. C.; Leibenguth, Richard E.; Cheng, Julian; Lu, Yin-Chen; Zhou, Ping; Lu, Bo
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