期刊
OPTICS EXPRESS
卷 27, 期 5, 页码 7469-7484出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.27.007469
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资金
- Air Force Office of Scientific Research (MURI) [FA9550-14-1-0389, FA9550-16-1-0156]
- King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) [OSR-2016-CRG5-2995]
- National Research Foundation, Prime Minister's Office, Singapore [NRF-CRP15-2015-03]
- National Science Foundation [1541959, DGE1144152]
Optical elements coupling the spin and orbital angular momentum (SAM/OAM) of light have found a range of applications in classical and quantum optics. The J-plate, with J referring to the photon's total angular momentum (TAM), is a metasurface device that imparts two arbitrary OAM states on an arbitrary orthogonal basis of spin states. We demonstrate that when these J-plates are cascaded in series, they can generate several single quantum number beams and versatile superpositions thereof. Moreover, in contrast to previous spin-orbit-converters, the output polarization states of cascaded J-plates are not constrained to be the conjugate of the input states. Cascaded J-plates are also demonstrated to produce vector vortex beams and complex structured light, providing new ways to control TAM states of light. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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