Highly-dispersive transparency at optical frequencies in planar metamaterials based on two-bright-mode couplingopen access
- Authors
- Jin, Xing-Ri; Park, Jinwoo; Zheng, Haiyu; Lee, Seongjae; Lee, YoungPak; Rhee, Joo Yull; Kim, Ki Won; Cheong, H. S.; Jang, Won Ho
- Issue Date
- Oct-2011
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS EXPRESS, v.19, no.22, pp.21652 - 21657
- Indexed
- SCIE
SCOPUS
- Journal Title
- OPTICS EXPRESS
- Volume
- 19
- Number
- 22
- Start Page
- 21652
- End Page
- 21657
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/144837
- DOI
- 10.1364/OE.19.021652
- ISSN
- 1094-4087
- Abstract
- Using a planar metamaterial, which consists of two silver strips, we theoretically demonstrate the plasmonic electromagnetically-induced transparency (EIT)-like spectral response at optical frequencies. The two silver strips serve as the bright modes, and are excited strongly by the incident wave. Based on the weak hybridization between the two bright modes, a highly-dispersive plasmonic EIT-like spectral response appears in our scheme. Moreover, the group index is higher than that of another scheme which utilizes the strong coupling between the bright and dark modes.
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