2012
DOI: 10.4028/www.scientific.net/amr.459.40
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GaAs/InGaAs Optoelectronic Switch for Triple-Logic Applications

Abstract: A new GaAs/InGaAs triangular barrier optoelectronic switch combined with tri-state characteristic is fabricated and demonstrated. Two GaAs/InGaAs barriers are employed to provide potential barriers for electron thermionic emission and hole confinement, respectively. Applying a sufficient DC voltage to this device, a double S-shaped negative differential resistance (NDR) phenomenon with nearly equal switching voltage difference is appeared at room temperature. This unique NDR property can be introduced to tripl… Show more

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