Selective enhanced resonances of two asymmetric terahertz nano resonators

Young Mi Bahk, Jae Wook Choi, Jisoo Kyoung, Hyeongryeol Park, Kwang Jun Ahn, Dai Sik Kim

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)25644-25653
Number of pages10
JournalOptics Express
Volume20
Issue number23
DOIs
StatePublished - Nov 5 2012

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