Unidirectional reflectionlessness and perfect nonreciprocal absorption in stacked asymmetric metamaterial based on near-field coupling

被引：30

作者：

Bai, Ruiping ^{[1
]}

Zhang, Cong ^{[1
]}

Gu, Xintong ^{[1
]}

Jin, Xing Ri ^{[1
]}

Zhang, Ying Qiao ^{[1
]}

Lee, YoungPak ^{[2
,3
]}

机构：

[1] Yanbian Univ, Coll Sci, Dept Phys, Yanji 133002, Jilin, Peoples R China

[2] Hanyang Univ, Quantum Photon Sci Res Ctr, Seoul 133791, South Korea

[3] Hanyang Univ, Dept Phys, Seoul 133791, South Korea

来源：

APPLIED PHYSICS EXPRESS | 2017年 / 10卷 / 11期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

ELECTROMAGNETICALLY-INDUCED TRANSPARENCY; NON-HERMITIAN HAMILTONIANS; GUIDE-CAVITY SYSTEMS; EXCEPTIONAL POINTS; PROPAGATION; RESONANCE; NANOSTRUCTURES; SYMMETRY; ANALOG;

D O I：

10.7567/APEX.10.112001

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We propose a scheme for achieving unidirectional reflectionlessness and perfect nonreciprocal absorption at the exceptional point, based on near-field coupling in a stacked asymmetric nanostrip metamaterial structure. The result of theoretical analysis shows good agreement with a numerical simulation. Unidirectional reflectionlessness is realized well in wide ranges of the parameters s and a. The absorbance reaches similar to 1 in the +z incident direction, and the contrast ratio of the reflectance between the +z and -z incident directions is similar to 1. (c) 2017 The Japan Society of Applied Physics

引用

页数：4

共 13 条

[1] Unidirectional reflectionlessness and nonreciprocal perfect absorption in optical waveguide system based on phase coupling between two photonic crystal cavities
Liu, Shu Jing
Zhang, Cong
Bai, Ruiping
Gu, Xintong
Yin, Hong Da
Liu, Yan Hui
Zhang, Ying Qiao
Jin, Xing Ri
Lee, YoungPak
JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS, 2018, 27 (01)
[2] Dual-band unidirectional reflectionlessness at exceptional points in a plasmonic waveguide system based on near-field coupling between two resonators
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Zhang, Ying Qiao
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Lee, YoungPak
NANOTECHNOLOGY, 2019, 30 (04)
[3] Active control of near-field coupling in conductively coupled microelectromechanical system metamaterial devices
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APPLIED PHYSICS LETTERS, 2016, 108 (11)
[4] Design of multi-narrowband metamaterial perfect absorbers in near-infrared band based on resonators asymmetric method and modified resonators stacked method
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[5] Active Control of Near-Field Coupling in a Terahertz Metal-Graphene Metamaterial
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[6] Dual-band unidirectional reflectionless phenomena in an ultracompact non-Hermitian plasmonic waveguide system based on near-field coupling
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OPTICS EXPRESS, 2017, 25 (20): : 24281 - 24289
[7] Terahertz multi-band unidirectional reflectionless phenomenon in a MIM plasmonic waveguide system based on near-field coupling
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JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS, 2019, 28 (01)
[8] Electromagnetic near-field coupling induced polarization conversion and asymmetric transmission in plasmonic metasurfaces
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Wang, Kai-Jun
He, Meng-Dong
Luo, Jian-Hua
Zhang, Xin-Min
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OPTICS COMMUNICATIONS, 2018, 412 : 1 - 6
[9] Avoided resonance crossing and non-reciprocal nearly perfect absorption in plasmonic nanodisks with near-field and far-field couplings
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OPTICS EXPRESS, 2016, 24 (15): : 16822 - 16834
[10] Thermally controlled electromagnetically induced transparency metamaterial through the near-field coupling of electric and toroidal resonances
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MATERIALS RESEARCH EXPRESS, 2024, 11 (01)

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