4.6 Article

Tunable terahertz circular polarization convertor based on graphene metamaterial

Related references

Note: Only part of the references are listed.
Article Materials Science, Multidisciplinary

Multi-band and high-sensitivity perfect absorber based on monolayer graphene metamaterial

Liying Jiang et al.

Summary: This study utilizes the Finite Difference Time Domain (FDTD) method to simulate a multi-band ideal absorber and proposes a new method based on critical coupling and guided resonance. The physical mechanism is analyzed through impedance matching and coupled mode theory (CMT). By adjusting the geometric parameters of the structure, the spectral position and absorption rate of the absorption peak can be tuned.

DIAMOND AND RELATED MATERIALS (2021)

Article Physics, Applied

High-efficiency ultrathin terahertz geometric metasurface for full-space wavefront manipulation at two frequencies

Junpeng Fan et al.

Summary: A bilayer metasurface with the ability to independently tailor the wavefronts of transmitted and reflected circularly polarized waves at two different terahertz frequencies is proposed in this paper. The metasurface can achieve a high conversion coefficient and a full 2π phase shift by varying the geometrical parameters of the unit-cell structure. Numerical simulations demonstrate anomalous refraction and reflection, dual-band full-space cylindrical focusing metalens, and vortex beam generation with different modes.

JOURNAL OF PHYSICS D-APPLIED PHYSICS (2021)

Article Nanoscience & Nanotechnology

Terahertz broadband tunable reflective cross-polarization convertor based on complementary cross-shaped graphene metasurface

Yongzhi Cheng et al.

Summary: In this study, a broadband tunable reflective polarization convertor was proposed using a single layer complementary-cross-shaped (CCS) graphene metasurface, which can achieve high polarization conversion ratio at specific Fermi energy levels, with its performance regulated by varying the Fermi energy level.

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES (2021)

Article Nanoscience & Nanotechnology

Dual band visible metamaterial absorbers based on four identical ring patches

Yubin Zhang et al.

Summary: The study introduces a dual-frequency tunable ideal visible light metamaterial absorber that achieves perfect absorption in the visible light band with a 99.9% absorption rate, regardless of polarization angle and incident angle.

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES (2021)

Article Materials Science, Multidisciplinary

Multi-band multi-tunable perfect plasmon absorber based on L-shaped and double-elliptical graphene stacks

Zihao Chen et al.

Summary: This paper proposes a multi-band multi-tunable graphene absorber structure, which can dynamically adjust the resonant wavelength of the absorber and maintain good absorption performance in various modes by controlling the Fermi level or geometric parameters.

DIAMOND AND RELATED MATERIALS (2021)

Article Computer Science, Information Systems

Study on Temperature Adjustable Terahertz Metamaterial Absorber Based on Vanadium Dioxide

Yubing Zhang et al.

IEEE ACCESS (2020)

Article Computer Science, Information Systems

Dual-Band and High-Efficiency Circular Polarization Convertor Based on Anisotropic Metamaterial

Yongzhi Cheng et al.

IEEE ACCESS (2020)

Article Materials Science, Multidisciplinary

Broadband tunable terahertz polarization converter based on a sinusoidally-slotted graphene metamaterial

Jianfeng Zhu et al.

OPTICAL MATERIALS EXPRESS (2018)

Article Engineering, Electrical & Electronic

Ultrabroadband Diode-Like Asymmetric Transmission and High-Efficiency Cross-Polarization Conversion Based on Composite Chiral Metamaterial

Yongzhi Cheng et al.

PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER (2017)

Article Physics, Applied

Anisotropic metasurface with near-unity circular polarization conversion

Xiaoxiao Wu et al.

APPLIED PHYSICS LETTERS (2016)

Article Chemistry, Multidisciplinary

Multispectral Chiral Imaging with a Metalens

M. Khorasaninejad et al.

NANO LETTERS (2016)

Article Materials Science, Multidisciplinary

High-Efficiency Mutual Dual-Band Asymmetric Transmission of Circularly Polarized Waves with Few-Layer Anisotropic Metasurfaces

Jieying Liu et al.

ADVANCED OPTICAL MATERIALS (2016)

Article Materials Science, Multidisciplinary

A Helical Metamaterial for Broadband Circular Polarization Conversion

Johannes Kaschke et al.

ADVANCED OPTICAL MATERIALS (2015)

Article Materials Science, Multidisciplinary

Diode-like asymmetric transmission of circularly polarized waves

Dao-Ya Liu et al.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2014)

Article Chemistry, Multidisciplinary

Gated Tunability and Hybridization of Localized Plasmons in Nanostructured Graphene

Zheyu Fang et al.

ACS NANO (2013)

Article Optics

Giant circular polarization conversion in layer-by-layer nonchiral metamaterial

Peng Zhang et al.

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION (2013)

Article Multidisciplinary Sciences

Terahertz Metamaterials for Linear Polarization Conversion and Anomalous Refraction

Nathaniel K. Grady et al.

SCIENCE (2013)

Review Chemistry, Multidisciplinary

Graphene Photonics, Plasmonics, and Broadband Optoelectronic Devices

Qiaoliang Bao et al.

ACS NANO (2012)

Review Chemistry, Multidisciplinary

Metamaterials: a new frontier of science and technology

Yongmin Liu et al.

CHEMICAL SOCIETY REVIEWS (2011)

Review Optics

Graphene photonics and optoelectronics

F. Bonaccorso et al.

NATURE PHOTONICS (2010)

Article Optics

Advanced Jones calculus for the classification of periodic metamaterials

Christoph Menzel et al.

PHYSICAL REVIEW A (2010)

Article Multidisciplinary Sciences

Detection of circular polarization in light scattered from photosynthetic microbes

William B. Sparks et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2009)

Article Engineering, Electrical & Electronic

Dyadic Green's functions for an anisotropic, non-local model of biased graphene

George W. Hanson

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (2008)

Article Physics, Applied

Quasi-transverse electromagnetic modes supported by a graphene parallel-plate waveguide

George W. Hanson

JOURNAL OF APPLIED PHYSICS (2008)

Article Physics, Applied

Dyadic Green's functions and guided surface waves for a surface conductivity model of graphene

George W. Hanson

JOURNAL OF APPLIED PHYSICS (2008)

Article Nanoscience & Nanotechnology

Free-standing graphene at atomic resolution

Mhairi H. Gass et al.

NATURE NANOTECHNOLOGY (2008)