Tailoring of electromagnetic field localizations by two-dimensional graphene nanostructures

IMR OpenIR

	Tailoring of electromagnetic field localizations by two-dimensional graphene nanostructures
	Zheng, Ze-Bo; Li, Jun-Tao; Ma, Teng; Fang, Han-Lin; Ren, Wen-Cai; Chen, Jun; She, Jun-Cong; Zhang, Yu; Liu, Fei; Chen, Huan-Jun; Deng, Shao-Zhi; Xu, Ning-Sheng; Chen, HJ; Deng, SZ; Xu, NS (reprint author), Sch Elect & Informat Technol, State Key Lab Optoelect Mat & Technol, Guangdong Prov Key Lab Display Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China.
	2017-10-06
发表期刊	CHINESE ACAD SCIENCES, CHANGCHUN INST OPTICS FINE MECHANICS AND PHYSICS
ISSN	2047-7538
卷号	6 页码:-
摘要	Graphene has great potential for enhancing light - matter interactions in a two-dimensional regime due to surface plasmons with low loss and strong light confinement. Further utilization of graphene in nanophotonics relies on the precise control of light localization properties. Here, we demonstrate the tailoring of electromagnetic field localizations in the mid-infrared region by precisely shaping the graphene into nanostructures with different geometries. We generalize the phenomenological cavity model and employ nanoimaging techniques to quantitatively calculate and experimentally visualize the two-dimensional electromagnetic field distributions within the nanostructures, which indicate that the electromagnetic field can be shaped into specific patterns depending on the shapes and sizes of the nanostructures. Furthermore, we show that the light localization performance can be further improved by reducing the sizes of the nanostructures, where a lateral confinement of lambda(0)/180 of the incidence light can be achieved. The electromagnetic field localizations within a nanostructure with a specific geometry can also be modulated by chemical doping. Our strategies can, in principle, be generalized to other two-dimensional materials, therefore providing new degrees of freedom for designing nanophotonic components capable of tailoring two-dimensional light confinement over a broad wavelength range.; Graphene has great potential for enhancing light - matter interactions in a two-dimensional regime due to surface plasmons with low loss and strong light confinement. Further utilization of graphene in nanophotonics relies on the precise control of light localization properties. Here, we demonstrate the tailoring of electromagnetic field localizations in the mid-infrared region by precisely shaping the graphene into nanostructures with different geometries. We generalize the phenomenological cavity model and employ nanoimaging techniques to quantitatively calculate and experimentally visualize the two-dimensional electromagnetic field distributions within the nanostructures, which indicate that the electromagnetic field can be shaped into specific patterns depending on the shapes and sizes of the nanostructures. Furthermore, we show that the light localization performance can be further improved by reducing the sizes of the nanostructures, where a lateral confinement of lambda(0)/180 of the incidence light can be achieved. The electromagnetic field localizations within a nanostructure with a specific geometry can also be modulated by chemical doping. Our strategies can, in principle, be generalized to other two-dimensional materials, therefore providing new degrees of freedom for designing nanophotonic components capable of tailoring two-dimensional light confinement over a broad wavelength range.
部门归属	[zheng, ze-bo ; chen, jun ; she, jun-cong ; zhang, yu ; liu, fei ; chen, huan-jun ; deng, shao-zhi ; xu, ning-sheng] sch elect & informat technol, state key lab optoelect mat & technol, guangdong prov key lab display mat & technol, guangzhou 510275, guangdong, peoples r china ; [zheng, ze-bo ; li, jun-tao ; fang, han-lin] sun yat sen univ, sch phys, state key lab optoelect mat & technol, guangzhou 510275, guangdong, peoples r china ; [ma, teng ; ren, wen-cai] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, liaoning, peoples r china
关键词	Chemical Doping Electromagnetic Field Localizations Graphene Graphene Nanostructures Graphene Plasmons
学科领域	Optics
资助者	National Natural Science Foundation of China [51290271, 11474364, 51290273]; National Key Basic Research Program of China [2013CB933601, 2013YQ12034506]; Guangdong Natural Science Funds Distinguished Young Scholars [2014A030306017]
收录类别	SCI
语种	英语
WOS记录号	WOS:000412431400002
引用统计	被引频次：60[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/79048
专题	中国科学院金属研究所
通讯作者	Chen, HJ; Deng, SZ; Xu, NS (reprint author), Sch Elect & Informat Technol, State Key Lab Optoelect Mat & Technol, Guangdong Prov Key Lab Display Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China.
推荐引用方式 GB/T 7714	Zheng, Ze-Bo,Li, Jun-Tao,Ma, Teng,et al. Tailoring of electromagnetic field localizations by two-dimensional graphene nanostructures[J]. CHINESE ACAD SCIENCES, CHANGCHUN INST OPTICS FINE MECHANICS AND PHYSICS,2017,6:-.
APA	Zheng, Ze-Bo.,Li, Jun-Tao.,Ma, Teng.,Fang, Han-Lin.,Ren, Wen-Cai.,...&Xu, NS .(2017).Tailoring of electromagnetic field localizations by two-dimensional graphene nanostructures.CHINESE ACAD SCIENCES, CHANGCHUN INST OPTICS FINE MECHANICS AND PHYSICS,6,-.
MLA	Zheng, Ze-Bo,et al."Tailoring of electromagnetic field localizations by two-dimensional graphene nanostructures".CHINESE ACAD SCIENCES, CHANGCHUN INST OPTICS FINE MECHANICS AND PHYSICS 6(2017):-.