THz Propagation of Surface Plasmon Polariton in Ag-InP Interface

Dhrubo, Ta-Seen Haque; Raihan, Shadman; Newaz, Asif

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dc.contributor.author	Dhrubo, Ta-Seen Haque
dc.contributor.author	Raihan, Shadman
dc.contributor.author	Newaz, Asif
dc.date.accessioned	2020-11-06T05:01:29Z
dc.date.available	2020-11-06T05:01:29Z
dc.date.issued	2018-11-15
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dc.identifier.uri	http://hdl.handle.net/123456789/657
dc.description	Supervised by Dr. Rakibul Hasan Sagor Assistant Professor, Department of Electrical and Electronic Engineering, Islamic University of Technology (IUT), Boardbazar, Gazipur-1704.	en_US
dc.description.abstract	The existence of surface plasmon polaritons was first predicted in 1957 by Rufus Ritchie. But at that time its application was unknown. The 2nd birth of SPPs occurred after 1997 when scientists realized that it can be used localize the light signals far beyond the diffraction limit; the limit which is the main hindrance in integration and miniaturization of optical devices. Following the discovery, research in this field has been growing rapidly. SPPs are basically electromagnetic waves which arise from the coupling effect between photons and the free conduction electrons on the interface between a metal and a dielectric. They propagate along the interface. In this thesis, propagation characteristics of Surface Plasmon Polaritons in the single interface of Silver (Ag) and Indium Phosphide (InP) are presented. A three dimensional structure has been designed to analyze the dynamics of the propagation numerically. Lorentz-Drude model is used to model the frequency dependent permittivity of Ag while Lorentz model is used to model InP. The dimensions of Indium Phosphide layer are varied to find an optimum design which grants the highest efficiency. The nano-plasmonic structure yields an efficiency of 59.76%.	en_US
dc.language.iso	en	en_US
dc.publisher	Department of Electrical and Electronic Engineering, Islamic University of Technology, Board Bazar, Gazipur, Bangladesh	en_US
dc.title	THz Propagation of Surface Plasmon Polariton in Ag-InP Interface	en_US
dc.type	Thesis	en_US