Study of Gap Plasmons in 2D Finite Metal-Insulator-Metal Tunnel Junctions

Kishen, Saurabh and Thapar, J and Emani, Naresh Kumar (2020) Study of Gap Plasmons in 2D Finite Metal-Insulator-Metal Tunnel Junctions. In: Workshop on Recent Advances in Photonics, WRAP, 16-17 December, 2015, Indian Institute of Science (IISc), Bangalore.

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Abstract

The electrical excitation of surface plasmons/photons from MIM tunnel junctions has attracted significant research attention in recent times [1]-[3]. These devices, though are promising for future on-chip plasmonic applications, are plagued with low quantum efficiencies. In an effort towards increasing the effectiveness of such devices, we study the behaviour of gap plasmons in Ag-SiO2-Ag and Al-Al2O3-Au structures, with a 3 nm oxide and confined in two dimensions. We find that the out-coupling of leaky modes due to the Fabry-Pérot resonances in the oxide region contributes to the lower efficiencies of MIM tunnel junctions.

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IITH Creators:
IITH CreatorsORCiD
Emani, Naresh Kumarhttps://orcid.org/0000-0002-0488-921X
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Fabry-Pérot resonator, gap plasmons, metal-insulator-metal, plasmonics, Indexed in Scopus
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 13 Apr 2020 14:14
Last Modified: 13 Apr 2020 14:14
URI: http://raiith.iith.ac.in/id/eprint/7586
Publisher URL: https://doi.org/10.1109/WRAP47485.2019.9013735
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