Results 11 to 20 of about 3,636,883 (285)

All-optical logic gates based on metallic waveguide arrays

open access: yesResults in Physics, 2018
All-optical logic gates based on metallic waveguide arrays (MWGAs) are proposed. The supermodes of surface plasmon polaritons (SPPs) are excited selectively by different input fields.
Wu Yang   +3 more
doaj   +2 more sources

All-optical reconfigurable non-inverted logic gates with a single semiconductor optical amplifier

open access: yesAIP Advances, 2019
All-optical reconfigurable non-inverted logic gates with a single semiconductor optical amplifier (SOA) is proposed. Compared with the probe light of continuous light, the clock (Clk) pulse sequences light is regarded as the probe light so that the ...
Bingchen Han, Yi Liu
doaj   +2 more sources

Dual-Band High-Throughput and High-Contrast All-Optical Topology Logic Gates

open access: yesMicromachines
Optical computing offers advantages such as high bandwidth and low loss, playing a crucial role in signal processing, communication, and sensing applications.
Jinying Zhang   +4 more
doaj   +2 more sources

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

open access: yesJournal 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

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

open access: yesUltrafast 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   +8 more
doaj   +1 more source

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

open access: yesInternational 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   +2 more
doaj   +1 more source

Multiple inputs all-optical logic gates based on nanoring insulator-metal-insulator plasmonic waveguides [PDF]

open access: yes, 2022
In this paper, we report new nanoscale plasmonic multiple inputs logic gates based on insulator-metal-insulator (IMI) nanoring waveguides. The proposed all-optical gates are numerically analyzed by the finite element method.
Ibrahim Jabbar, Feryal   +7 more
core   +1 more source

High extinction ratio thermo-optic based reconfigurable optical logic gates for programmable PICs

open access: yesAIP Advances, 2022
In this paper, a new scheme is proposed to realize reconfigurable and multifunction optical logic gates (XOR, XNOR, NAND, and OR) using a Mach–Zehnder interferometer with a tunable thermo-optic phase shifter (TOPS). The reconfigurable optical logic gates
S. Hassan, D. Chack, L. Pavesi
doaj   +1 more source

Simulation of universal optical logic gates under energy sharing collisions of Manakov solitons and fulfillment of practical optical logic criteria [PDF]

open access: yes, 2023
The universal optical logic gates, namely NAND and NOR gates, have been theoretically simulated by employing the energy sharing collision of bright optical solitons in the Manakov system, governing pulse propagation in a highly birefringent fiber ...
Kanna, T.   +2 more
core   +1 more source

All-optical flip flop based on a symmetric Mach-Zehnder switch with a feed-back loop and multiple forward set/reset signals [PDF]

open access: yes, 2007
The paper proposed an improved performance for optical flip-flop using symmetric Mach-Zehnder interformeter with a feedback and multiple forward configurations.
Ghassemlooy, Zabih   +2 more
core   +1 more source

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