Near-Unity Anisotropic Infrared Absorption in Monolayer Black Phosphorus With/Without Subwavelength Patterning Design

doi:10.1109/jstqe.2018.2889423

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	Near-Unity Anisotropic Infrared Absorption in Monolayer Black Phosphorus With/Without Subwavelength Patterning Design
	N.X.Feng; J.F.Zhu; C.W.Li; Y.X.Zhang; Z.Y.Wang; Z.Z.Liang
	2019
发表期刊	Ieee Journal of Selected Topics in Quantum Electronics
ISSN	1077-260X
卷号	25 期号:3 页码:7
摘要	As an emerging anisotropic two-dimensional (2-D) material, few-atomic-layer black phosphorus (BP) has shown some promising potentials for infrared optoelectronics. Engineering and enhancing its light-matter interaction is significant for many advanced photonic devices. In view of this, we aim to achieve extremely high infrared absorption in monolayer BP with/without subwavelength patterning. By optimizing the polarization and angle of the incident light, the dielectric thickness, and the n-type doping concentration, respectively, infrared radiation can be sufficiently coupled to optical absorption of the monolayer BP in a multiscale photonic structure. The anisotropic infrared absorbance ratios of the unpatterned monolayer BP are enhanced up to 98.2% and 96%, respectively, in inequivalent crystal directions. Moreover, monolayer BP with a design of metasurface and optimized doping can reach near-unity anisotropic infrared absorption under a smaller incident angle. This paper provides a simple and efficient scheme to trap infrared light for developing promising optoelectronic devices based on monolayer BP and potentially other anisotropic 2-D materials.
关键词	Anisotropic media,absorbing media,optical materials,phosphorus,coupled-mode theory,plasmons,light,gap
DOI	10.1109/jstqe.2018.2889423
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收录类别	SCI ; EI
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/63393
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	N.X.Feng,J.F.Zhu,C.W.Li,et al. Near-Unity Anisotropic Infrared Absorption in Monolayer Black Phosphorus With/Without Subwavelength Patterning Design[J]. Ieee Journal of Selected Topics in Quantum Electronics,2019,25(3):7.
APA	N.X.Feng,J.F.Zhu,C.W.Li,Y.X.Zhang,Z.Y.Wang,&Z.Z.Liang.(2019).Near-Unity Anisotropic Infrared Absorption in Monolayer Black Phosphorus With/Without Subwavelength Patterning Design.Ieee Journal of Selected Topics in Quantum Electronics,25(3),7.
MLA	N.X.Feng,et al."Near-Unity Anisotropic Infrared Absorption in Monolayer Black Phosphorus With/Without Subwavelength Patterning Design".Ieee Journal of Selected Topics in Quantum Electronics 25.3(2019):7.

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