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Giant faraday rotation in graphene metamolecules due to plasmonic coupling

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成果类型:
期刊论文
作者:
Liu, Jian Qiang*;Wu, Shan;Zhou, Yu Xiu;He, Meng Dong;Zayats, Anatoly, V
通讯作者:
Liu, Jian Qiang
作者机构:
[Liu, Jian Qiang; Zhou, Yu Xiu] Jiujiang Univ, Sch Sci, Jiujiang 332005, Peoples R China.
[Liu, Jian Qiang; Zhou, Yu Xiu] Jiujiang Univ, Key Lab Jiangxi Microstruct Funct Mat, Jiujiang 332005, Peoples R China.
[Wu, Shan] Fuyang Normal Univ, Lab Funct Mat & Devices Informat, Fuyang 236032, Peoples R China.
[He, Meng Dong] Cent South Univ Forestry & Technol, Sch Sci, Changsha 410004, Hunan, Peoples R China.
[Zayats, Anatoly, V] Kings Coll London, Dept Phys, London WC2R 2LS, England.
通讯机构:
[Liu, Jian Qiang] J
Jiujiang Univ, Sch Sci, Jiujiang 332005, Peoples R China.
Jiujiang Univ, Key Lab Jiangxi Microstruct Funct Mat, Jiujiang 332005, Peoples R China.
语种:
英文
关键词:
Light polarization;Magnetic fields;Metamaterials;Nanophotonics;Optical devices;Plasmonics;Polarization;Rotation;Terahertz waves;External magnetic field;Faraday rotation angle;Multi-layered graphene;Nanophotonic devices;Operation wavelength;Polarization rotation;Polarization rotator;Static magnetic fields;Graphene
期刊:
Journal of Lightwave Technology
ISSN:
0733-8724
年:
2018
卷:
36
期:
13
页码:
2606-2610
基金类别:
Manuscript received January 13, 2018; revised February 24, 2018; accepted March 20, 2018. Date of publication March 23, 2018; date of current version May 11, 2018. This work was supported in part by the National Natural Science Foundation of China under Grants 11664020 and 11264021; in part by the Project for Distinguished Young Scholars of Jiangxi Province under Grant 20171BCB23098; in part by the Natural Science Foundation of Jiangxi province under Grants 20161BAB201002 and 20151BAB207056; in part by the Engineering and Physical Sciences Research Council, U.K.; and in part by the ERC iPLASMM project under Grant 321268. The work of A. V. Zayats was supported by the Royal Society and the Wolfson Foundation. (Corresponding author: Jian Qiang Liu.) J. Q. Liu and Y. X. Zhou are with the School of Science and the Key Laboratory of Jiangxi Microstructure Functional Materials, Jiujiang University, Jiujiang 332005, China (e-mail:,jqliu2007@163.com; lx_ljq@jju.edu.cn).
机构署名:
本校为其他机构
院系归属:
理学院
摘要:
We designed and numerically investigated a mechanism to enhance the polarization rotation when THz radiation passes through an array of multilayered graphene/insulator disks placed in a static magnetic field. The observed giant Faraday rotation is due to plasmonic coupling in the disks leading to the enhanced dipole oscillation strength of plasmonic antibonding states. With additional electromagnetic coupling between the disks in the array, the Faraday rotation angles nearly 30° are achieved in a relatively small external magnetic field of aro...

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