Journal
OPTICS EXPRESS
Volume 19, Issue 22, Pages 21652-21657Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.021652
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Funding
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2010-0029760]
- Korea Communications commission
- Korea Communications Agency (KCA) [2011-PK10-16] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2010-0029760] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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. (C) 2011 Optical Society of America
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