Asymmetric transmission based on magnetic resonance coupling in 3D-printed metamaterials

Shengxiang Wang, Guochao Wei, Xiaochuan Wang, Zhengpeng Qin, Yuan Li, Wen Lei, Zhi Hao Jiang, Lei Kang, Douglas H. Werner

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

The resonance based strong light-matter interaction in metamaterials offers unprecedented opportunities to manipulate polarization of electromagnetic waves. In this work, we fabricate a three-dimensional (3D) metamaterial consisting of 90°-twisted split-tube resonators using a 3D printing technique and demonstrate the corresponding asymmetric transmission for linearly polarized electromagnetic waves in the Ku band with near-unity polarization conversion efficiency. Experimental results reveal a 90° polarization rotation and an incident polarization angle dependent asymmetric transmission at a frequency around 15.2 GHz. The experimental results are in good agreement with simulations. Possessing the merits of both flexibility of response tailoring and ease of fabrication, the proposed 3D-printed metamaterials have great potential for compact polarization-control devices exhibiting unidirectional transmission at both microwave and terahertz frequencies.

Original languageEnglish (US)
Article number081904
JournalApplied Physics Letters
Volume113
Issue number8
DOIs
StatePublished - Aug 20 2018

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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