Tunable plasmonics photodetector in near-infrared wavelengths using graphene chemical do** method

E Khosravian, HR Mashayekhi, A Farmani - AEU-International Journal of …, 2020 - Elsevier
Graphene-based photodetectors have been caught in the spotlight of optoelectronics
devices and they are significant candidates for tunable detectors. Unfortunately, little reports …

A review: The influence of graphene material integration in antenna characteristics in the presence of bias for fifth and sixth generation wireless communication …

SNH Sa'don, MH Jamaluddin, A Althuwayb… - Nano Communication …, 2024 - Elsevier
This paper reviews the effect of graphene on antenna characteristics for wireless
communication based on fifth generation (5 G) and sixth generation (6 G). The integration …

High sensitive plasmonic sensor with simple design of the ring and the disk resonators

H Karimkhani, A Attariabad, H Vahed - Optical and Quantum Electronics, 2022 - Springer
In this paper, we investigated a plasmonic sensor based on silicon dioxide SiO 2 ring and
disk resonator with high sensitivity. The SiO 2 ring and disk are placed inside the Au layer …

A structure of electro-absorption hybrid plasmonic modulator using silver nano-ribbon

H Karimkhani, H Vahed - Optical and Quantum Electronics, 2023 - Springer
In this paper, an electro-absorption modulator based on a hybrid plasmonic structure is
designed and analyzed for wavelengths ranging from 1300 to 1800 nm and chemical …

A broadband optical modulator based on rib-type silicon waveguide including graphene and h-BN layers

H Karimkhani, H Vahed - Optik, 2022 - Elsevier
The rapid growth of THz communication systems needed a high data transfer rate in the
broadband communication range. Increasing the amount of modulation depth increases the …

A tunable and compact footprint plasmonic metasurface integrated graphene photodetector using modified omega-shaped nanoantennas

A Attariabad, A Pourziad, M Bemani - Optics & Laser Technology, 2022 - Elsevier
Graphene is a promising candidate for broadband and high-speed photodetectors.
Nevertheless, the weak optical absorption of graphene restricts the performance of …

An optical modulator with ridge-type silicon waveguide based on graphene and MoS2 layers and improved modulation depth

H Karimkhani, H Vahed - Optical and Quantum Electronics, 2021 - Springer
In this paper, an optical modulator based on the hybrid structure is designed and analyzed
in the wavelength range of 1.3 µm–1.8 µm. In this work, the proposed modulator consists of …

Sensitivity increment of metamaterial-based refractive index sensor with silicon layers

B Khodadadi, M Babaeinik, V Ghods, P Rezaei - Silicon, 2023 - Springer
In this work, ultra-sensitive sensors based on a polarization-insensitive adjustable terahertz
metamaterial absorber are presented. The absorber consists of multiple layers, with a …

Single-layer graphene optical modulator based on arrayed hybrid plasmonic nanowires

Z Li, J Huang, Z Zhao, Y Wang, C Huang, Y Zhang - Optics Express, 2021 - opg.optica.org
Surface plasmon-polaritons (SPPs)-based waveguides, especially hybrid plasmonic
nanowires, which have attracted extensive interests due to easy fabrication, high …

Switchable and tunable terahertz metamaterial absorber based on graphene and VO2 resonator with ultra-broadband and multi-band absorption

M Hasankhani, H Vahed, M Bemani - Optics Communications, 2024 - Elsevier
Vanadium dioxide (VO 2) and graphene have been combined to create new design
possibilities for high-performance metamaterial devices, which offer an alluring foundation …