A review of different techniques used to design photonic crystal-based logic gates

P Jindal, M Abou Houran, D Goyal, A Choudhary - Optik, 2023 - Elsevier
There is a strong need for mobile devices and computers that process and transmit data at
higher rates. Therefore, photonic crystals have recently gained popularity and are used to …

A subwavelength graphene surface plasmon polariton-based decoder

MJ Maleki, M Soroosh, G Akbarizadeh - Diamond and Related Materials, 2023 - Elsevier
In this study, a new structure based on surface plasmon polariton propagation for decode
operation in optical circuits is introduced. A graphene monolayer is sandwiched between …

Review on all-optical logic gates: design techniques and classifications–heading toward high-speed optical integrated circuits

EG Anagha, RK Jeyachitra - Optical engineering, 2022 - spiedigitallibrary.org
All-optical logic gates (AO-LGs) are the key elements that play a pivotal role in the
development of future all-optical networks and all-optical computing. A complete overview of …

Two-dimensional photonic crystal based optical CNOT gate

S Hazra, S Mukhopadhyay - Optical and quantum electronics, 2023 - Springer
Abstract Quantum Controlled NOT (CNOT) gate is a well known logic gate in the world of
quantum computing and data processing from application point of view. Recently, photonic …

Optimized design of an all-optical XOR gate with high contrast ratio and ultra-compact dimensions

EG Anagha, RK Jeyachitra - Applied Physics B, 2022 - Springer
In this work, an optimized structure for an all-optical XOR gate with high contrast ratio and
extremely compact dimension is proposed based on a photonic crystal platform. The above …

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 …

Enhanced all-optical Y-shaped plasmonic OR, NOR and NAND gate models, analyses, and simulation for high speed computations

I Charles, A Sreevani, SV Krishna, S Swarnakar… - Optical and Quantum …, 2022 - Springer
In this digital era, all-optical logic gates (OLGs) proved its effectiveness in execution of high-
speed computations. A unique construction of an all-optical OR, NOR, and NAND gates …

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 …

Three-dimensional modeling of the optical switch based on guided-mode resonances in photonic crystals

AU Rehman, Y Khan, M Irfan, S Choudri, SN Khonina… - Micromachines, 2023 - mdpi.com
Optical switching is an essential part of photonic integrated circuits and the focus of research
at the moment. In this research, an optical switch design working on the phenomenon of …

Ultracompact, high-extinction ratio XOR, OR, and Feynman logic gates based on plasmonic metal–insulator–metal directional couplers

S Tannaz, M Moradkhani, M Taherzade, MH Rezaei - Applied Optics, 2023 - opg.optica.org
Three plasmonic logic gates including XOR, OR, and Feynman based on directional
couplers operating in the optical communications band are proposed. First, a 3 dB …