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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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11 Author(s)
Bo Lu ; Center High Technol. Mater., New Mexico Univ., Albuquerque, NM, USA ; Ping Zhou ; Yin-Chen Lu ; Cheng, Julian
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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.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:6 ,  Issue: 3 )