journal article·2020-09Open access

Polarization Detection Using Light's Orbital Angular Momentum

Aning Ma, Yuttana Intaravanne, Jin Han, Ruoxing Wang, Xianzhong Chen

Advanced Optical Materials· Volume 8· Issue 18

Abstract

Abstract Polarization detection has been used for a wide variety of applications. A twisted light beam with a helical phase structure carries an orbital angular momentum. The rapid development of optical metasurfaces has enabled practical generation and manipulation of twisted light beams at subwavelength resolution. Herein, a facile metasurface approach is experimentally demonstrated to directly detect the polarization state of light based on the superposition of twisted light beams. The major axis and ellipticity of the polarized light are measured by the interference pattern of two twisted light beams with same topological charges and opposite signs, while the handedness is determined by using topological charges with different values. The subwavelength resolution, ultrathin nature, and compactness render this technology very attractive for diverse applications including optical communications, optical tweezers, and quantum sciences.
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Research context

OpenAlex topics: Metamaterials and Metasurfaces Applications · Orbital Angular Momentum in Optics · Plasmonic and Surface Plasmon Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Photonics and Quantum Sciences School of Engineering and Physical Sciences Heriot‐Watt University Edinburgh EH14 4AS UK

School of Information Science and Engineering Lanzhou University Lanzhou 730000 China

College of Material Science and Engineering Kunming University of Science and Technology Kunming 650093 China

Key Laboratory of In‐Fiber Integrated Optics of Ministry of Education College of Physics and Optoelectronic Engineering Harbin Engineering University Harbin 150001 China

Funding

Engineering and Physical Sciences Research Council · National Natural Science Foundation of China · Fundamental Research Funds for the Central Universities · Ministry of Science and Technology of Thailand · China Scholarship Council

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