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Polarization Control with Helical Metasurfaces

Department of Physics, University of Gothenburg, 412 96 Gothenburg, Sweden
Ginzton Laboratory and Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA
Department of Radiophysics and Electronics, Francisk Skorina Gomel State University, 246019 Gomel, Belarus
Author to whom correspondence should be addressed.
Crystals 2020, 10(9), 726;
Received: 7 August 2020 / Revised: 18 August 2020 / Accepted: 18 August 2020 / Published: 20 August 2020
(This article belongs to the Special Issue Polarization-Handling Metasurfaces)
The ability to fully control the polarization of light using chiral metadevices has drawn considerable attention in various applications of integrated photonics, communication systems, and life sciences. In this work, we propose a comprehensive approach for the design of metasurfaces with desired polarization properties for reflected and transmitted waves based on the proper spatial arrangement of chiral inclusions in the unit cell. Polarization conversion is achieved by engineering induced electric and magnetic dipole moments of the metasurface inclusions. We show that under a proper arrangement, the same inclusion can be used as a building block of metasurfaces with drastically different wave-transformation functionalities. The horizontally and vertically oriented metallic helices were used as simplest chiral inclusions, which can be manufactured by the established 3D fabrication techniques from THz up to the visible spectral range. The proposed metadevices provide a deep understanding of the light–matter interaction for polarization conversions with helix-based structures and opens the way to new possibilities of electromagnetic polarization control with advanced chiral metadevices in communication and imaging systems.
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Keywords: metasurface; helix; dipole moments; polarization; mid-IR range; simulation metasurface; helix; dipole moments; polarization; mid-IR range; simulation
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MDPI and ACS Style

Faniayeu, I.; Asadchy, V.; Fanyaev, I. Polarization Control with Helical Metasurfaces. Crystals 2020, 10, 726.

AMA Style

Faniayeu I, Asadchy V, Fanyaev I. Polarization Control with Helical Metasurfaces. Crystals. 2020; 10(9):726.

Chicago/Turabian Style

Faniayeu, Ihar, Viktar Asadchy, and Ivan Fanyaev. 2020. "Polarization Control with Helical Metasurfaces" Crystals 10, no. 9: 726.

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