Circuit Model of Fano Resonance on Tetramers, Pentamers, and Broken Symmetry Pentamers

Attaran, A. and Emami, S.D. and Soltanian, M.R.K. and Penny, R. and Behbahani, F. and Harun, Sulaiman Wadi and Ahmad, Harith and Abdul-Rashid, H.A. and Moghavvemi, Mahmoud (2014) Circuit Model of Fano Resonance on Tetramers, Pentamers, and Broken Symmetry Pentamers. Plasmonics, 9 (6). pp. 1303-1313. ISSN 1557-1955, DOI

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This paper presents the representation circuit model for Fano resonance of plasmonic nanoparticles in the optical domain. An intuitive explanation is provided for the physical nature of Fano resonance based on the three-level quantum system, and the Fano resonance effects of three basic nanoparticle arrangements, namely tetramer, pentamer, and symmetry broke pentamer are discussed. A coupling capacitor is calculated as an equivalent component in the proposed circuit model in order to describe the coupling effect between subradiant and superradiant mode in the Fano resonance. The circuit impedances of tetramer, pentamer, and broken symmetry pentamer are simulated, with resultant circuit models in agreement with the calculated results based on S-parameters.

Item Type: Article
Uncontrolled Keywords: Nanostructures circuit model; Fano resonance; Plasmonic nanostructures
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 26 Oct 2015 09:20
Last Modified: 09 Oct 2018 05:21

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