31 July 2018 Ultrasmall optical logic gate based on graphene–SiO2 metamaterial
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Abstract
We propose an ultrasmall channel based on graphene–SiO2 metamaterial, which is composed of alternating layers of graphene and SiO2 periodically. By tuning the permittivity of the graphene through the applied voltage, the basic logic gate-controllable channel made by the graphene–SiO2 metamaterial is able to control the light transmission, which can be used to work as optical logic gate with ultrasmall footprint and large extinction ratio, including the AND, OR, XOR, and XOR logic gates.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE) 1934-2608/2018/$25.00 © 2018 SPIE
Feng Zhou and Wei Du "Ultrasmall optical logic gate based on graphene–SiO2 metamaterial," Journal of Nanophotonics 12(3), 036006 (31 July 2018). https://doi.org/10.1117/1.JNP.12.036006
Received: 26 March 2018; Accepted: 18 July 2018; Published: 31 July 2018
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CITATIONS
Cited by 1 scholarly publication.
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KEYWORDS
Metamaterials

Graphene

Logic devices

Optical logic

Logic

Silica

Channel projecting optics

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