Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/85227
Title: Split Archimedean spiral metasurface for controllable GHz asymmetric transmission
Authors: Song, Qing Hua
Wu, Pin Chieh
Zhu, Wei Ming
Zhang, Wu
Shen, Ze Xiang
Chong, Peter Han Joo
Liang, Qing Xuan
Tsai, D. P.
Bourouina, Tarik
Leprince-Wang, Yamin
Liu, Ai Qun
Keywords: Archimedean Spiral
Artificial Structures
DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2019
Source: Song, Q. H., Wu, P. C., Zhu, W. M., Zhang, W., Shen, Z. X., Chong, P. H. J., . . . Liu, A. Q. (2019). Split Archimedean spiral metasurface for controllable GHz asymmetric transmission. Applied Physics Letters, 114(15), 151105-. doi:10.1063/1.5084329
Series/Report no.: Applied Physics Letters
Abstract: A chiral metasurface, which obtains chirality through a subwavelength artificial structure, is essential for realizing asymmetric transmission in the application of enantioselective sensing, spin-dependent light emission, and other polarization control systems. Here, we studied a split Archimedean spiral metasurface, which can control the propagating wave from asymmetric transmission to symmetric transmission for linear polarized light. As a proof of concept, a dual-band asymmetric transmission is demonstrated in the GHz region using the coupling of the split spiral structures. The maximum asymmetric transmission parameter reaches 53%. By manipulating the height of the split spiral structures using microfluidic technology, a broadband asymmetric transmission is obtained with the bandwidth of 25.9%. Meanwhile, the asymmetric transmission can be controlled from 50% to 0%, enabling the propagation wave from asymmetric transmission to symmetric transmission. Furthermore, the asymmetric transmission is maintained when the metasurface is bent into different curvatures, promising high potential applications for optical isolation, one-way glass, and optical interconnects.
URI: https://hdl.handle.net/10356/85227
http://hdl.handle.net/10220/48393
ISSN: 0003-6951
DOI: 10.1063/1.5084329
Rights: © 2019 Author(s). Published under license by AIP Publishing.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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