Graphene-based hybrid plasmonic optical electro-absorption modulator on InP platform

H Nezamdoost, M Nikoufard, H Saghaei - Optical and Quantum …, 2024 - Springer
This paper presents a novel design of an optical electro-absorption modulator based on a
hybrid plasmonic structure with a graphene layer on the generic InP platform. Graphene …

Optical set-reset flip-flop based on dielectric-loaded graphene-plasmonic waveguides

MH Rezaei, A Zarifkar - Optics & Laser Technology, 2023 - Elsevier
In this paper, an optical Set-Reset (SR) flip-flop based on dielectric-loaded graphene-
plasmonic waveguides (DLGPWs) working in the mid-infrared region is presented. The …

Graphene-based plasmonic electro-optical SR flip-flop with an ultra-compact footprint

MH Rezaei, A Zarifkar - Optics Express, 2020 - opg.optica.org
In this paper, we present a new concept of electro-optical plasmonic Set-Reset flip-flops at
mid-infrared frequencies. We use the 3D finite-difference time-domain (FDTD) method to …

Ultra-low-thickness, highly sensitive, and perfect-absorption THz refractive index and temperature sensors based on Tamm plasmon polaritons and Fabry-Perot …

ZM Ghahfarokhi, F Pakray, MH Rezaei, HS Singh - Optik, 2024 - Elsevier
In this paper, an ultra-low thickness with high sensitivity and perfect absorption based on the
excitation of Tamm plasmon polaritons and Fabry-Perot resonance for sensing applications …

Design of an optofluidic sensor based on metamaterial absorbers for detection of organic materials

A Vajdi, M Sadeghi, Z Adelpour - Optical and Quantum Electronics, 2023 - Springer
In this paper, a dual-band ultra-narrow metamaterial absorber for sensing applications is
presented. The unit cell of the structure consists of an Ag disk resonator located on a thin …

High Extinction Ratio 4× 2 Encoder Based on Electro-Optical Graphene Plasma Structure

A Zhu, P Bu, C Hu, J Niu, R Mahapatra - Photonics, 2023 - mdpi.com
In this paper, a plasmonic electro-optical encoder based on graphene at THz frequency is
proposed. The surface plasmon polaritons (SPPs) in the graphene–insulator–metal structure …

Cross-talk-free, high extinction ratio, and ultra-compact all‑optical 4× 2 encoder using graphene-based plasmonic waveguides

S Kanwal, MR Saeed, FK Al-Shammri, MH Rezaei - Scientific Reports, 2025 - nature.com
This paper presents an all-optical 4× 2 encoder based on graphene-plasmonic waveguides
for operation in the wavelength range of 8–12 μm. The basic plasmonic waveguide consists …

An ultra-compact and highly stable optical numerical comparator based on Y-shaped graphene nanoribbons

A Zhu, L Song, L Cheng, C Hu, R Mahapatra - The European Physical …, 2023 - Springer
Research on artificial neural network computing based on conventional integrated circuit
chips has made significant progress, but it faces technical bottlenecks such as reduced …

[HTML][HTML] High Transmission All-Optical Combinational Logic Circuits Based on a Nanoring Multi-Structure at 1.31 µm

SA Sadeq, M Hayati, S Khosravi - Micromachines, 2023 - mdpi.com
The main purpose of this study is to design combinational logic gates based on a novel
configuration of insulator–metal–insulator (IMI) nanoring plasmonic waveguides. Plasmonic …

Implementation of all two-input/one-output logical operations using a simple electro-optical graphene-based plasmonic structure

MR Eslami, P Piran, S Bakhtiari, MH Rezaei - Optical and Quantum …, 2022 - Springer
In this paper, an ultra-compact graphene-based plasmonic structure for implementing all two-
input/one-output logical operations utilizing the electro-optical effect is proposed. The …