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9 January 2020 Plasmonic reversible logic gates
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Abstract

We propose, simulate, and achieve a method of realization of all-optical reversible logic gates based on nanoring dielectric-metal-dielectric plasmonic waveguides at 1550 nm and in the same structure. Finite-element method was used to study and simulate the proposed plasmonic reversible logic gates. These reversible logic gates are wire, NOT, swap, and Feynman. The working principle of the proposed reversible gates is based on the interferences (destructive or constructive) between the light that propagates in the input signal port(s) and control signal port(s). The threshold value of transmission between OFF and ON states is proposed as 0.4. Finally, the designed area of the proposed structure is very small (300  nm  ×  460  nm). These plasmonic reversible gates can contribute in construction of nanophotonic reversible logic circuits and all-optical quantum computing.

© 2020 Society of Photo-Optical Instrumentation Engineers (SPIE) 1934-2608/2020/$28.00 © 2020 SPIE
Mohammed N. Abbas and Saif H. Abdulnabi "Plasmonic reversible logic gates," Journal of Nanophotonics 14(1), 016003 (9 January 2020). https://doi.org/10.1117/1.JNP.14.016003
Received: 30 September 2019; Accepted: 16 December 2019; Published: 9 January 2020
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