| Issue |
EPL
Volume 111, Number 2, July 2015
|
|
|---|---|---|
| Article Number | 27001 | |
| Number of page(s) | 4 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/111/27001 | |
| Published online | 24 July 2015 | |
Optical cross-polarization converter with an octave bandwidth based on anisotropic plasmonic meta-surfaces
1 Institute of Electromagnetics and Acoustics, Department of Electronic Science, Xiamen University Xiamen 361005, China
2 Department of Electrical and Computer Engineering, Duke University - Durham, NC 27708, USA
Received: 16 June 2015
Accepted: 13 July 2015
We show that the linear polarization state of electromagnetic waves can be efficiently rotated to its orthogonal direction by an alternative design of anisotropic plasmonic meta-surfaces. Numerical results demonstrate that the reflection coefficient converting to cross-polarization after reflection is larger than 71% within an octave frequency band from 
to 
. The designed system is much thinner than conventional geometric-optics devices, and takes favorable advantage of little energy loss.
PACS: 78.20.-e – Optical properties of bulk materials and thin films / 78.67.Pt – Multilayers; superlattices; photonic structures; metamaterials
© EPLA, 2015
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