Experimental verification of asymmetric transmission in continuous omega-shaped metamaterials. Issue 67 (15th November 2018)

• Record Type: Journal Article
• Authors: Wang, Ying-Hua; Kim, Inki; Jin, Ren-Chao; Jeong, Heonyeong; Li, Jia-Qi; Dong, Zheng-Gao; Rho, Junsuk
• Is Part Of: RSC advances. Volume 8:Issue 67(2018)
• Page Start: 38556
• Page End: 38561
• Publication Date: 2018-11-15
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/c8ra08073a
• Languages: English
• ISSNs: 2046-2069

Abstract

Abstract : A bi-layer continuous omega-shaped metamaterial was proposed and fabricated to measure the asymmetric transmission (AT) effect of a linearly polarized light at near-infrared region. Abstract : A bi-layer continuous omega-shaped metamaterial was proposed and fabricated to measure the asymmetric transmission (AT) effect of a linearly polarized light at near-infrared region. The metamaterial was fabricated by the electron-beam lithography method, and the AT effect was demonstrated by the difference between total transmittances in the two opposite propagation directions for x -/ y -polarized incident light. The experimental results were confirmed by the full-wave simulated results. Importantly, we also experimentally demonstrated that the AT effect is robust against the misalignments between the first and the second omega-shaped layers. Accordingly, the successfully prepared sample and its characterization provide a bright future for applications in light-controlled switchers and optical diodes in on-chip optical systems and information communication systems.