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Title: Critical route for coherent perfect absorption in a Fano resonance plasmonic system
Authors: Chong, Y. D.
Wang, Hui-Tian
Zhu, Weiren
Premaratne, Malin
Kang, Ming
Keywords: DRNTU::Science::Physics::Atomic physics::Properties of matter and antimatter
Issue Date: 2014
Source: Kang, M., Chong, Y. D., Wang, H.-T., Zhu, W., & Premaratne, M. (2014). Critical route for coherent perfect absorption in a Fano resonance plasmonic system. Applied physics letters, 105(13).
Series/Report no.: Applied physics letters
Abstract: We develop a method for realizing coherent perfect absorption in thin metamaterial systems, based on the coupled-mode theory of Fano resonance. Coherent perfect absorption refers to the complete absorption of symmetric plane waves incident on opposite sides of the system, due to critical coupling into the dissipative degrees of freedom. Using the reflection and transmission spectra measured on a limited number of samples, our theory predicts the precise frequency and metamaterial parameter values required to achieve coherent perfect absorption. The coupled-mode theory and the design method are found to agree well with full-wave numerical simulations of a subwavelength-thickness metamaterial surface with a pair of bright and dark plasmonic modes.
DOI: 10.1063/1.4896972
Rights: © 2014 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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