Funneling of terahertz electromagnetic waves through nanogap device

M. A. Seo; H. R. Park; S. M. Koo; N. K. Park; O. K. Suwal; S. S. Choi; D. S. Kim

doi:10.1364/CLEO.2009.CWG3

Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
OSA Technical Digest (CD) (Optica Publishing Group, 2009),
paper CWG3
•https://doi.org/10.1364/CLEO.2009.CWG3

Funneling of terahertz electromagnetic waves through nanogap device

M. A. Seo, H. R. Park, S. M. Koo, N. K. Park, O. K. Suwal, S. S. Choi, and D. S. Kim

Conference on Lasers and Electro-Optics 2009

Baltimore, Maryland United States
31 May–5 June 2009
ISBN: 978-1-55752-869-8

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THz Plasmonics (CWG)

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M. A. Seo, H. R. Park, S. M. Koo, N. K. Park, O. K. Suwal, S. S. Choi, and D. S. Kim, "Funneling of terahertz electromagnetic waves through nanogap device," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optica Publishing Group, 2009), paper CWG3.

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Abstract

We show that terahertz waves transmit through a λ/30,000 nanogap separating two conducting planes. The field enhancement responsible for the light funneling has a 1/f dependence, which originates from the charging time of the gap.

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