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kafi noghan M, mirsalehi M. Hybrid plasmonic waveguide with long propagation length . ICOP & ICPET _ INPC _ ICOFS 2015; 21 :669-672
URL: http://opsi.ir/article-1-677-en.html
URL: http://opsi.ir/article-1-677-en.html
1- Ferdowsi University of Mashhad
Abstract: (3721 Views)
One of the major restrictions of plasmonic waveguides is their short propagation lengths. Although hybrid structures have been introduced to overcome this problem, the propagation length has not exceeded tens of micrometers. The purpose of this paper is to investigate and select suitable materials in order to increase the propagation lengths of hybrid plasmonic waveguides further. To achieve this goal, the effects of using Si3N4, Nb2O5, and TiO2 dielectric materials and Al, Ag, and Au metals on characteristics of waveguides have been investigated. The numerical results show that proper selection of materials has significant effect on increasing the propagation lengths of these waveguides. According to the simulation results, using an Ag-SiO2-Si3N4 structure, the propagation length can be increased to more than 4mm at the wavelength of 1.55 micrometers.
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