期刊
OPTICS EXPRESS
卷 26, 期 18, 页码 23221-23232出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.26.023221
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资金
- National Science Foundation (NSF) [CMMI-1405078, CMMI-1554189, CMMI-1634832]
- National Natural Science Foundation of China [11504139, 11504140, 11811530052]
- China Postdoctoral Science Foundation [2017M611693, 2018T110440]
- Key Laboratory Open Fund of Institute of Semiconductors of CAS [KLSMS-1604]
We study the plasmonic properties of face-to-face phosphorene pairs, including their optical constraints and optical gradient forces. The symmetric and anti-symmetric plasmonic modes occur due to the strong =isotropic dispersion of phosphorene. Compared with the anti-symmetric mode, the symmetric mode has a stronger optical constraint and much larger gradient force. Especially, the optical constraint of the symmetric mode can even reach as high as 96% when the two phosphorene layers are along the armchair and zigzag direction respectively. We also propose a scheme of an ultra-small phase shifter using phosphorene-based photonic devices. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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