Terahertz electromagnetically-induced transparency of self-complementary meta-molecules on Croatian checkerboard

doi:10.1038/s41598-019-42038-8

CORC > 上海应用物理研究所 > 中国科学院上海应用物理研究所 > 中科院上海应用物理研究所2011-2017年

	Terahertz electromagnetically-induced transparency of self-complementary meta-molecules on Croatian checkerboard
	Zhao, ZY ; Zheng, XB ; Peng, W ; Zhang, JB ; Zhao, HW ; Shi, WZ
刊名	SCIENTIFIC REPORTS
	2019
卷号	9 期号:-页码:—
关键词	PLASMON-INDUCED TRANSPARENCY INTERFERENCE
ISSN号	2045-2322
DOI	10.1038/s41598-019-42038-8
文献子类	期刊论文
英文摘要	A terahertz (THz) electromagnetically-induced transparency (EIT) phenomenon is observed from two types of self-complementary meta-molecules (MMs) based on rectangular shaped electric split-ring resonators (eSRR) on Croatian checkerboard. Each MM contains a couple of identical size eSRRs and a couple of structural inversed eSRRs twisted pi/2 in checkerboard pattern. In the first type of MM (type-I), the gap is in the middle line of eSRR. In the second type of MM (type-II), the gap is on the two arms of eSRR. Both types of MMs exhibit EIT effect. A maximum 20 ps group delay is observed at the transparency window of 0.63 THz in type-I MM; while a maximum 6.0 ps group delay is observed at the transparent window of 0.60 THz in type-II MM. The distribution of surface currents and electrical energy reveals that only CeSRR contribute to the transparency window as well as the side-modes in type-I MM, where the current leakage via contact point contributes to the low-frequency side-mode, and the coupled local inductive-capacitive (LC) oscillation in CeSRRs contributes to the high-frequency side-mode. In type-II MM, however, the localized dipolar oscillator of CeSRR contributes to the low-frequency side-mode; while the hybridization of dipole oscillation on eSRR and LC resonance on CeSRR contributes to the high-frequency side-modes. Our experimental findings manifest a new approach to develop THz slow-light devices.
语种	英语
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/31851]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
作者单位	1.Shanghai Normal Univ, Dept Phys, Shanghai 200234, Peoples R China; 2.Chinese Acad Sci, State Key Lab Funct Mat Informat, Shanghai Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China; 3.Chinese Acad Sci, Key Lab Interface Phys, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
推荐引用方式 GB/T 7714	Zhao, ZY,Zheng, XB,Peng, W,et al. Terahertz electromagnetically-induced transparency of self-complementary meta-molecules on Croatian checkerboard[J]. SCIENTIFIC REPORTS,2019,9(-):—.
APA	Zhao, ZY,Zheng, XB,Peng, W,Zhang, JB,Zhao, HW,&Shi, WZ.(2019).Terahertz electromagnetically-induced transparency of self-complementary meta-molecules on Croatian checkerboard.SCIENTIFIC REPORTS,9(-),—.
MLA	Zhao, ZY,et al."Terahertz electromagnetically-induced transparency of self-complementary meta-molecules on Croatian checkerboard".SCIENTIFIC REPORTS 9.-(2019):—.