Multichannel Polarization-Controllable Superpositions of Orbital Angular Momentum States

Fuyong Yue; Dandan Wen; Chunmei Zhang; Brian D Gerardot; Wei Wang; Shuang Zhang; Xianzhong Chen

doi:10.1002/adma.201603838

Multichannel Polarization-Controllable Superpositions of Orbital Angular Momentum States

Adv Mater. 2017 Apr;29(15). doi: 10.1002/adma.201603838. Epub 2017 Feb 16.

Authors

Fuyong Yue¹, Dandan Wen¹, Chunmei Zhang¹, Brian D Gerardot¹, Wei Wang¹, Shuang Zhang², Xianzhong Chen¹

Affiliations

¹ SUPA, Institute of Photonics and Quantum Sciences, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, UK.
² School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, UK.

PMID: 28207164
DOI: 10.1002/adma.201603838

Abstract

A facile metasurface approach is shown to realize polarization-controllable multichannel superpositions of orbital angular momentum (OAM) states with various topological charges. By manipulating the polarization state of the incident light, four kinds of superpositions of OAM states are realized using a single metasurface consisting of space-variant arrays of gold nanoantennas.

Keywords: metasurfaces; multichannels; orbital angular momentum superpositions.