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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 649-652 |
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Rezaei M, Zarifkar A. Simultaneous Implementation of Three-Input XOR and XNOR Logic Gates by Using Graphene-Based Plasmonic Waveguides. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :649-652
URL: http://opsi.ir/article-1-1819-en.html
URL: http://opsi.ir/article-1-1819-en.html
1- Department of Communications and Electronics, School of Electrical and Computer Engineering, Shiraz University
Abstract: (2152 Views)
In this paper, a graphene-based plasmonic structure is proposed for simultaneous implementation of three-input logical XOR and XNOR operations. In this structure, the surface plasmon polaritons (SPPs) are stimulated at the interface of graphene and dielectric layers and their transmission are controlled by an external voltage source. In the presented logic gates, the input signals are electrical and the output signal is optical. Simulation results demonstrate that the extinction ratio (ER) of 10.33 dB is achievable for the designed gates. Also, the footprint of the proposed structure is less than 1.5 μm2. Our studies have shown that a structure for simultaneous three-input logical XOR and XNOR operations has not been reported so far.
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