Binary optical switch and programmable optical logic gate based on the integration of GaAs/AlGaAs surface-emitting lasers and heterojunction phototransistors
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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Author(s):Al-Omari, Ahmad N.; Lear, Kevin L.Date Issued:2004Format:born digital; articlesHigh speed, oxide-confined, polyimide-planarized 850 nm vertical cavity surface emitting lasers (VCSELs) exhibit - 3dB modulation bandwidths up to 17.0 GHz. The devices are fabricated using a reproducible, simple process ...
Author(s):Rocca, Jorge J.; Marconi, Mario Carlos; Thiagarajan, Prabhuram; Martinez, Oscar EduardoDate Issued:1989Format:born digital; articlesPulses from a mode-locked frequency-doubled Nd:YLF laser have been spectrally broadened and subsequently expanded to more than 200 ps and recompressed to 750 fs by grating compressors with magnifying telescopes. The new ...
Reconfigurable binary optical routing switches with fan-out based on the integration of GaAs/AlGaAs surface-emitting lasers and heterojunction phototransistors Author(s):Vawter, G. A.; Chalmers, S. A.; Lear, Kevin L.; Zolper, J. C.; Zilko, John Leon; Adams, A. C.; Leibenguth, Ronald E.; Cheng, Julian; Lu, Yin-Chen; Lu, Bo; Zhou, PingDate Issued:1994Format:born digital; articlesThe design, fabrication, and experimental demonstration of dynamically reconfigurable binary optical switches based on the integration of GaAs/AlGaAs vertical-cavity surface-emitting lasers and heterojunction phototransistors ...