Results 1 to 10 of about 107 (68)

Optical Logic Gates Based on Z-Shaped Silicon Waveguides at 1.55 μm

Micromachines, 2023
In the last ten years, silicon photonics has made considerable strides in terms of device functionality, performance, and circuit integration for a variety of practical uses, including communication, sensing, and information processing.
Amer Kotb, Kyriakos E. Zoiros, Antonios Hatziefremidis, Chunlei Guo   +3 more
doaj   +3 more sources

Optical Logic Gates Excited by a Gauss Vortex Interference Beam Based on Spatial Self-Phase Modulation in 2D MoS₂

Nanomaterials, 2023
Vortex beams with optical orbital angular momentum have broad prospects in future high-speed and large-capacity optical communication. In this investigation of materials science, we found that low-dimensional materials have feasibility and reliability in
Xueyu Chen, Ge Ding, Linwei Tang, Haijian Zou, Chaofeng Wang, Shuqing Chen, Chenliang Su, Ying Li   +7 more
doaj   +1 more source

All-optical logic gate computing for high-speed parallel information processing

Opto-Electronic Science, 2022
Optical computing and optical neural network have gained increasing attention in recent years because of their potential advantages of parallel processing at the speed of light and low power consumption by comparison with electronic computing.
Shuming Jiao, Junwei Liu, Liwen Zhang, Feihong Yu, Guomeng Zuo, Jingming Zhang, Fang Zhao, Weihao Lin, Liyang Shao   +8 more
doaj   +1 more source

Design of Ultrasmall Plasmonic Logic Gates Based on Single Nanoring Dielectric-Metal-Dielectric Waveguide

International Journal of Optics, 2023
This paper proposes a new configuration of dielectric-metal-dielectric (DMD) waveguides to design optical logic gates. Seven plasmonic logic gates, including NOT, OR, AND, NAND, NOR, XOR, and XNOR, are realized by one nanoring and four DMD plasmonic ...
Salma Ali Sadeq, Mohsen Hayati, Saba Khosravi   +2 more
doaj   +1 more source

Low Delay Time All Optical NAND, XNOR and OR Logic Gates Based on 2D Photonic Crystal Structure [PDF]

Journal of Electrical and Computer Engineering Innovations, 2020
Background and Objectives: Recently, photonic crystals have been considered as the basic structures for the realization of various optical devices for high speed optical communication.Methods: In this research, two dimensional photonic crystals are used ...
F. Parandin, M. Malmir
doaj   +1 more source

Modelling of All-optical 3-inputs XOR logical gates using artificial neural networks [PDF]

مجله مدل سازی در مهندسی, 2022
All-optical logic gates are the most important unit for achieving all-optical processing systems. Developing a fast and efficient method for studying the behavior of all-optical logic gates is very important and has been considered by researchers.
samaneh hamedi, hamed Dehdashti Jahromi
doaj   +1 more source

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

Micromachines, 2023
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 logic gates are half adder, full adder, half subtractor, full subtractor, and
Salma Ali Sadeq, Mohsen Hayati, Saba Khosravi   +2 more
doaj   +1 more source

Metal−Organic Framework-Based Ultrafast Logic Gates for High-Security Optical Encryption

Ultrafast Science, 2023
Optical logic gates call for materials with giant optical nonlinearity to break the current performance bottleneck. Metal–organic frameworks (MOFs) provide an intriguing route to achieve superior optical nonlinearity benefitting from structural diversity
Junhong Yu, Yadong Han, Longyu Wang, Yibing Liu, Hang Zhang, Xuan Chen, Xuezhi Liu, Zhengbang Wang, Jianbo Hu   +8 more
doaj   +1 more source

Realization of Ultra-compact All-optical Universal NOR Gate on Photonic Crystal Platform [PDF]

Journal of Electrical and Computer Engineering Innovations, 2021
Background and Objectives: Universal NOR gate is one of the most important gates in digital design. The all-optical NOR gate can be designed using photonic crystals.
F. Parandin
doaj   +1 more source

Band-Gap Solitons in Nonlinear Photonic Crystal Waveguides and Their Application for Functional All-Optical Logic Gating

Photonics, 2021
This review paper summarizes our previous findings regarding propagation characteristics of band-gap temporal solitons in photonic crystal waveguides with Kerr-type nonlinearity and a realization of functional and easily scalable all-optical NOT, AND and
Vakhtang Jandieri, Ramaz Khomeriki, Tornike Onoprishvili, Daniel Erni, Levan Chotorlishvili, Douglas H. Werner, Jamal Berakdar   +6 more
doaj   +1 more source