2D layered materials: synthesis, nonlinear optical properties, and device applications

B Guo, Q **ao, S Wang, H Zhang - Laser & Photonics Reviews, 2019‏ - Wiley Online Library
In recent years, 2D layered materials, including graphene, topological insulators, transition
metal dichalcogenides, black phosphorus, MXenes, graphitic carbon nitride, and metal …

[HTML][HTML] Tunable optimal dual band metamaterial absorber for high sensitivity THz refractive index sensing

M Karthikeyan, P Jayabala, S Ramachandran… - Nanomaterials, 2022‏ - mdpi.com
We present a simple dual band absorber design and investigate it in the terahertz (THz)
region. The proposed absorber works in dual operating bands at 5.1 THz and 11.7 THz. By …

Ultrasensitive THz refractive index sensor based on a controllable perfect MTM absorber

M Nejat, N Nozhat - IEEE sensors journal, 2019‏ - ieeexplore.ieee.org
In this paper, a perfect metamaterial (MTM) absorber with simple design has been proposed
and investigated in terahertz (THz) region. The suggested absorber has the controllability of …

Ultrahigh-performance ENZ modulator based on a stack of three-layer graphene and ITO

M Heidari, S Bahadori-Haghighi… - IEEE Journal of …, 2021‏ - ieeexplore.ieee.org
A high-performance electro-absorption optical modulator based on the epsilon-near-zero
(ENZ) effect is proposed. The structure consists of a waveguide with a silicon (Si) core over …

Mid‐Infrared Optoelectronic Waveguide Devices with 2D Materials

L Qi, T Xu, Z **ng, S Chen, Z Zhang… - Advanced Physics …, 2025‏ - Wiley Online Library
Abstract Mid‐infrared (Mid‐IR) integrated optics has tremendous applications in
spectroscopic sensing, imaging, and ranging. Compared with visible light and near‐IR …

High-performance graphene-based biosensor using a metasurface of asymmetric silicon disks

MS Parizi, F Salemizadehparizi… - IEEE Sensors …, 2021‏ - ieeexplore.ieee.org
In recent years, optical biosensors widely applicable for medical applications, have received
much attention. In this paper, we propose a high-performance polarization-insensitive …

Graphene-based tunable ultra-narrowband mid-infrared TE-polarization absorber

YL Liao, Y Zhao - Optics express, 2017‏ - opg.optica.org
A graphene-based tunable ultra-narrowband mid-infrared TE-polarization absorber is
proposed. The simulation results show that, the absorption peak can be tuned from 5.43896 …

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 …

A tunable graphene-based refractive index sensor for THz bio-sensing applications

S Alizadeh, E Zareian-Jahromi… - Optical and Quantum …, 2022‏ - Springer
In this paper, a sensitive graphene-based terahertz sensor is proposed. The proposed
sensor consists of a patterned graphene geometry on top of a SiO 2 layer. To eliminate the …

Tunable graphene–dielectric metasurfaces for terahertz all-optical modulation

S Bahadori-Haghighi, R Ghayour… - Journal of Applied Physics, 2020‏ - pubs.aip.org
In this paper, two graphene-based all-optical terahertz (THz) modulators are proposed. The
operations of the structures are based on high quality factor (Q-factor) resonances in …