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Coherent Control of Optical Spin‐to‐Orbital Angular Momentum Conversion in Metasurface
Author(s) -
Zhang Huifang,
Kang Ming,
Zhang Xueqian,
Guo Wengao,
Lv Changgui,
Li Yanfeng,
Zhang Weili,
Han Jiaguang
Publication year - 2017
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201604252
Subject(s) - angular momentum , transmittance , materials science , orbital angular momentum of light , spin (aerodynamics) , optics , total angular momentum quantum number , incidence (geometry) , angular momentum coupling , unitary state , beam (structure) , coherent control , physics , optoelectronics , quantum mechanics , thermodynamics , political science , law , laser
Efficient control over the conversion of optical angular momentum from spin to orbital form in a metasurface system is achieved. Under coherent symmetric incidence, it can support nearly 100% conversion and unitary output, while it can support 50% conversion with 25% transmittance under one beam incidence.