Journal
OPTICS EXPRESS
Volume 20, Issue 23, Pages 25644-25653Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.20.025644
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Funding
- National Research Foundation of Korea (NRF)
- Korean government (MEST) [2008-0062255, K20815000003, 2010-0029648, 2011-0019170, 2011-0020209]
- Global Frontier R&D Program on Center for Multiscale Energy System
- Hi Seoul Science / Humanities Fellowship from Seoul Scholarship Foundation
- National Research Foundation of Korea [2008-00580, 2011-0020205, 2008-0062255] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We studied the electromagnetic interaction between two asymmetric terahertz nano resonators, rectangular holes which have a few hundred micron lengths but nanoscale widths. We report that the dominant resonant transmission of the structures can be modulated by the horizontal distance between two rectangles due to the different oscillation strength of the asymmetric coupling at two different resonance frequencies. Our results are significant for an optimum design of rectangular holes in terahertz frequency regime for applications such as sensitive nanoparticle detection and terahertz filters. (C) 2012 Optical Society of America
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