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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 245-248 |
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Heydari M, Ahmadi V, Janjan B. A plasmonic isolator with graphene waveguide based on multimode interference. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :245-248
URL: http://opsi.ir/article-1-1910-en.html
URL: http://opsi.ir/article-1-1910-en.html
1- Faculty of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, Iran
Abstract: (1972 Views)
In this paper, we investigate the multimode interference of a dielectric-loaded graphene waveguide. By utilizing a magneto-optic substrate and the multimode interference phenomenon, we design a very compact plasmonic isolator, based on finite element method (FEM) simulation. The isolator structure consists of three sections, single-mode/multimode/single-mode waveguides. The magneto-optic substrate leads to a non-reciprocal property in the structure. Therefore, the forward and backward propagating waves experience different propagation constants, which leads to an optical isolation of about 11.13 dB.
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