Graphene-based perfect absorption structures in the visible to terahertz band and their optoelectronics applications

C Guo, J Zhang, W Xu, K Liu, X Yuan, S Qin, Z Zhu - Nanomaterials, 2018 - mdpi.com
Graphene has unique properties which make it an ideal material for photonic and
optoelectronic devices. However, the low light absorption in monolayer graphene seriously …

High-performance electro-optical switch using an anisotropic graphene-based one-dimensional photonic crystal

S Tavana, S Bahadori-Haghighi, MH Sheikhi - Optics Express, 2022 - opg.optica.org
A novel electro-optical switch is proposed and investigated using the transfer matrix method
(TMM) and three-dimensional finite-difference time-domain (3D FDTD) analysis at the near …

[HTML][HTML] Broadband, wide-angle, and polarization-insensitive enhancement of light absorption in monolayer graphene over whole visible spectrum

B Liu, W Yu, Z Yan, C Tang, P Gu, J Chen, Z Liu… - Results in Physics, 2020 - Elsevier
By precise control of the resonance positions of four magnetic dipole modes in
metamaterials, we numerically exhibit a broadband light absorption enhancement of …

Tunable non-specular effects on hyperbolic crystal coated with a single layer of graphene

M Iqbal, WI Waseer, QA Naqvi - Journal of the Optical Society of …, 2024 - opg.optica.org
In this work, we have theoretically investigated the tunable non-specular effects, specifically
Imbert-Fedorov and Goos-Hänchen shifts, on a graphene-based uniaxial hyperbolic crystal …

Single-band to multi-band perfect absorption in monolayer-graphene-based dielectric metasurfaces

S Shen, L Zeng, Q Ding, P **e, X Kuang, W Wang - Optics Communications, 2023 - Elsevier
Perfect absorption in graphene-based nanostructures has attracted much attention due to its
potential applications in novel photodectors and light modulators with high integrability …

Wideband absorption in one dimensional bilayer-graphene embedded photonic multilayer structure

J Wu, J Gao - Superlattices and Microstructures, 2020 - Elsevier
In this article, we propose a one-dimensional graphene-based multilayer structure which
composed of traditional dielectric material and graphene. The dependence of absorption …

On the enhancement of light absorption in vanadium dioxide/1D photonic crystal composite nanostructures

A Rashidi, A Hatef, A Namdar - Journal of Physics D: Applied …, 2018 - iopscience.iop.org
The absorption behaviors of a 35 nm-vanadium dioxide (VO 2) layer grown on top of a 1D
photonic crystal (Sio 2/Si) 10 are investigated theoretically in the near infrared spectral …

[HTML][HTML] Implementation of atomically thick graphene and its derivatives in electromagnetic absorbers

J Tian, H Shi, H Hu, B Chen, Y Bao, P Tang - Applied Sciences, 2019 - mdpi.com
To reduce the radar cross section at microwave frequencies, it is necessary to implement
electromagnetic (EM) absorbing devices/materials to decrease the strength of reflected …

Multi-band absorption characteristics of a metal-loaded graphene-based photonic crystal

J Wu, J Gao - Physica E: Low-dimensional Systems and …, 2021 - Elsevier
In this paper, the absorption characteristics of a metal-photonic crystal-metal structure in the
visible light region have been investigated by the transfer matrix method. The metal-photonic …

Tunable narrow terahertz absorption of one-dimensional photonic crystals embedded with Dirac semimetal-dielectric defect layers

Q Wang, L Zhang - Applied Optics, 2019 - opg.optica.org
The absorption characteristics of one-dimensional photonic crystals embedded with Dirac
semimetal-dielectric defect layers are studied using the transfer matrix method. Numerical …