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Enhanced terahertz magnetic dipole response by subwavelength fiber

Atakaramians, Shaghik; Shadrivov, Ilya; Miroshnichenko, Andrey; Stefani, Alessio; Ebendorff-Heidepriem, Heike; Monro, Tanya; Afshar Vahid, Shahraam


Dielectric sub-wavelength particles have opened up a new platform for realization of magnetic light. Recently, we have demonstrated that a dipole emitter by a sub-wavelength fiber leads to an enhanced magnetic response. Here, we experimentally demonstrate an enhanced magnetic dipole source in the terahertz frequency range. By placing the fiber next to the hole in a metal screen, we find that the radiation power can be enhanced more than one order of magnitude. The enhancement is due to the...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: APL Photonics
DOI: 10.1063/1.5010348
Access Rights: Open Access


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