Aluminum Outshines Silver: Radiative Decay Engineering and Ultrahigh Q-Factor Plasmonics with a Lossy Metal

Xiangchao Zhu; Golam Md. Imran Hossain; Matthew C. George; Arash Farhang; Ahmet Cicek; Ahmet Ali Yanik

doi:10.1364/CLEO_QELS.2020.FF3Q.2

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper FF3Q.2
•https://doi.org/10.1364/CLEO_QELS.2020.FF3Q.2

Aluminum Outshines Silver: Radiative Decay Engineering and Ultrahigh Q-Factor Plasmonics with a Lossy Metal

Xiangchao Zhu, Golam Md. Imran Hossain, Matthew C. George, Arash Farhang, Ahmet Cicek, and Ahmet Ali Yanik

CLEO: QELS_Fundamental Science 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Emerging Materials for Functional Nanophotonics (FF3Q)

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X. Zhu, G. M. I. Hossain, M. C. George, A. Farhang, A. Cicek, and A. A. Yanik, "Aluminum Outshines Silver: Radiative Decay Engineering and Ultrahigh Q-Factor Plasmonics with a Lossy Metal," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper FF3Q.2.

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Abstract

Aluminum has emerged as a broadband and low-cost alternative to noble metals. We demonstrate remarkably high quality-factor plasmonic resonances in inverse-designed aluminum- nanostructures over a broad spectrum from visible to near-ultraviolet, surpassing those of silver counterparts.

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